diff options
121 files changed, 408 insertions, 1858 deletions
diff --git a/Documentation/RCU/rcu.txt b/Documentation/RCU/rcu.txt index bf778332a28f..745f429fda79 100644 --- a/Documentation/RCU/rcu.txt +++ b/Documentation/RCU/rcu.txt | |||
| @@ -36,7 +36,7 @@ o How can the updater tell when a grace period has completed | |||
| 36 | executed in user mode, or executed in the idle loop, we can | 36 | executed in user mode, or executed in the idle loop, we can |
| 37 | safely free up that item. | 37 | safely free up that item. |
| 38 | 38 | ||
| 39 | Preemptible variants of RCU (CONFIG_TREE_PREEMPT_RCU) get the | 39 | Preemptible variants of RCU (CONFIG_PREEMPT_RCU) get the |
| 40 | same effect, but require that the readers manipulate CPU-local | 40 | same effect, but require that the readers manipulate CPU-local |
| 41 | counters. These counters allow limited types of blocking within | 41 | counters. These counters allow limited types of blocking within |
| 42 | RCU read-side critical sections. SRCU also uses CPU-local | 42 | RCU read-side critical sections. SRCU also uses CPU-local |
| @@ -81,7 +81,7 @@ o I hear that RCU is patented? What is with that? | |||
| 81 | o I hear that RCU needs work in order to support realtime kernels? | 81 | o I hear that RCU needs work in order to support realtime kernels? |
| 82 | 82 | ||
| 83 | This work is largely completed. Realtime-friendly RCU can be | 83 | This work is largely completed. Realtime-friendly RCU can be |
| 84 | enabled via the CONFIG_TREE_PREEMPT_RCU kernel configuration | 84 | enabled via the CONFIG_PREEMPT_RCU kernel configuration |
| 85 | parameter. However, work is in progress for enabling priority | 85 | parameter. However, work is in progress for enabling priority |
| 86 | boosting of preempted RCU read-side critical sections. This is | 86 | boosting of preempted RCU read-side critical sections. This is |
| 87 | needed if you have CPU-bound realtime threads. | 87 | needed if you have CPU-bound realtime threads. |
diff --git a/Documentation/RCU/stallwarn.txt b/Documentation/RCU/stallwarn.txt index ef5a2fd4ff70..ed186a902d31 100644 --- a/Documentation/RCU/stallwarn.txt +++ b/Documentation/RCU/stallwarn.txt | |||
| @@ -26,12 +26,6 @@ CONFIG_RCU_CPU_STALL_TIMEOUT | |||
| 26 | Stall-warning messages may be enabled and disabled completely via | 26 | Stall-warning messages may be enabled and disabled completely via |
| 27 | /sys/module/rcupdate/parameters/rcu_cpu_stall_suppress. | 27 | /sys/module/rcupdate/parameters/rcu_cpu_stall_suppress. |
| 28 | 28 | ||
| 29 | CONFIG_RCU_CPU_STALL_VERBOSE | ||
| 30 | |||
| 31 | This kernel configuration parameter causes the stall warning to | ||
| 32 | also dump the stacks of any tasks that are blocking the current | ||
| 33 | RCU-preempt grace period. | ||
| 34 | |||
| 35 | CONFIG_RCU_CPU_STALL_INFO | 29 | CONFIG_RCU_CPU_STALL_INFO |
| 36 | 30 | ||
| 37 | This kernel configuration parameter causes the stall warning to | 31 | This kernel configuration parameter causes the stall warning to |
| @@ -77,7 +71,7 @@ This message indicates that CPU 5 detected that it was causing a stall, | |||
| 77 | and that the stall was affecting RCU-sched. This message will normally be | 71 | and that the stall was affecting RCU-sched. This message will normally be |
| 78 | followed by a stack dump of the offending CPU. On TREE_RCU kernel builds, | 72 | followed by a stack dump of the offending CPU. On TREE_RCU kernel builds, |
| 79 | RCU and RCU-sched are implemented by the same underlying mechanism, | 73 | RCU and RCU-sched are implemented by the same underlying mechanism, |
| 80 | while on TREE_PREEMPT_RCU kernel builds, RCU is instead implemented | 74 | while on PREEMPT_RCU kernel builds, RCU is instead implemented |
| 81 | by rcu_preempt_state. | 75 | by rcu_preempt_state. |
| 82 | 76 | ||
| 83 | On the other hand, if the offending CPU fails to print out a stall-warning | 77 | On the other hand, if the offending CPU fails to print out a stall-warning |
| @@ -89,7 +83,7 @@ INFO: rcu_bh_state detected stalls on CPUs/tasks: { 3 5 } (detected by 2, 2502 j | |||
| 89 | This message indicates that CPU 2 detected that CPUs 3 and 5 were both | 83 | This message indicates that CPU 2 detected that CPUs 3 and 5 were both |
| 90 | causing stalls, and that the stall was affecting RCU-bh. This message | 84 | causing stalls, and that the stall was affecting RCU-bh. This message |
| 91 | will normally be followed by stack dumps for each CPU. Please note that | 85 | will normally be followed by stack dumps for each CPU. Please note that |
| 92 | TREE_PREEMPT_RCU builds can be stalled by tasks as well as by CPUs, | 86 | PREEMPT_RCU builds can be stalled by tasks as well as by CPUs, |
| 93 | and that the tasks will be indicated by PID, for example, "P3421". | 87 | and that the tasks will be indicated by PID, for example, "P3421". |
| 94 | It is even possible for a rcu_preempt_state stall to be caused by both | 88 | It is even possible for a rcu_preempt_state stall to be caused by both |
| 95 | CPUs -and- tasks, in which case the offending CPUs and tasks will all | 89 | CPUs -and- tasks, in which case the offending CPUs and tasks will all |
| @@ -205,10 +199,10 @@ o A CPU-bound real-time task in a CONFIG_PREEMPT kernel, which might | |||
| 205 | o A CPU-bound real-time task in a CONFIG_PREEMPT_RT kernel that | 199 | o A CPU-bound real-time task in a CONFIG_PREEMPT_RT kernel that |
| 206 | is running at a higher priority than the RCU softirq threads. | 200 | is running at a higher priority than the RCU softirq threads. |
| 207 | This will prevent RCU callbacks from ever being invoked, | 201 | This will prevent RCU callbacks from ever being invoked, |
| 208 | and in a CONFIG_TREE_PREEMPT_RCU kernel will further prevent | 202 | and in a CONFIG_PREEMPT_RCU kernel will further prevent |
| 209 | RCU grace periods from ever completing. Either way, the | 203 | RCU grace periods from ever completing. Either way, the |
| 210 | system will eventually run out of memory and hang. In the | 204 | system will eventually run out of memory and hang. In the |
| 211 | CONFIG_TREE_PREEMPT_RCU case, you might see stall-warning | 205 | CONFIG_PREEMPT_RCU case, you might see stall-warning |
| 212 | messages. | 206 | messages. |
| 213 | 207 | ||
| 214 | o A hardware or software issue shuts off the scheduler-clock | 208 | o A hardware or software issue shuts off the scheduler-clock |
diff --git a/Documentation/RCU/trace.txt b/Documentation/RCU/trace.txt index 910870b15acd..b63b9bb3bc0c 100644 --- a/Documentation/RCU/trace.txt +++ b/Documentation/RCU/trace.txt | |||
| @@ -8,7 +8,7 @@ The following sections describe the debugfs files and formats, first | |||
| 8 | for rcutree and next for rcutiny. | 8 | for rcutree and next for rcutiny. |
| 9 | 9 | ||
| 10 | 10 | ||
| 11 | CONFIG_TREE_RCU and CONFIG_TREE_PREEMPT_RCU debugfs Files and Formats | 11 | CONFIG_TREE_RCU and CONFIG_PREEMPT_RCU debugfs Files and Formats |
| 12 | 12 | ||
| 13 | These implementations of RCU provide several debugfs directories under the | 13 | These implementations of RCU provide several debugfs directories under the |
| 14 | top-level directory "rcu": | 14 | top-level directory "rcu": |
| @@ -18,7 +18,7 @@ rcu/rcu_preempt | |||
| 18 | rcu/rcu_sched | 18 | rcu/rcu_sched |
| 19 | 19 | ||
| 20 | Each directory contains files for the corresponding flavor of RCU. | 20 | Each directory contains files for the corresponding flavor of RCU. |
| 21 | Note that rcu/rcu_preempt is only present for CONFIG_TREE_PREEMPT_RCU. | 21 | Note that rcu/rcu_preempt is only present for CONFIG_PREEMPT_RCU. |
| 22 | For CONFIG_TREE_RCU, the RCU flavor maps onto the RCU-sched flavor, | 22 | For CONFIG_TREE_RCU, the RCU flavor maps onto the RCU-sched flavor, |
| 23 | so that activity for both appears in rcu/rcu_sched. | 23 | so that activity for both appears in rcu/rcu_sched. |
| 24 | 24 | ||
diff --git a/Documentation/RCU/whatisRCU.txt b/Documentation/RCU/whatisRCU.txt index e48c57f1943b..88dfce182f66 100644 --- a/Documentation/RCU/whatisRCU.txt +++ b/Documentation/RCU/whatisRCU.txt | |||
| @@ -137,7 +137,7 @@ rcu_read_lock() | |||
| 137 | Used by a reader to inform the reclaimer that the reader is | 137 | Used by a reader to inform the reclaimer that the reader is |
| 138 | entering an RCU read-side critical section. It is illegal | 138 | entering an RCU read-side critical section. It is illegal |
| 139 | to block while in an RCU read-side critical section, though | 139 | to block while in an RCU read-side critical section, though |
| 140 | kernels built with CONFIG_TREE_PREEMPT_RCU can preempt RCU | 140 | kernels built with CONFIG_PREEMPT_RCU can preempt RCU |
| 141 | read-side critical sections. Any RCU-protected data structure | 141 | read-side critical sections. Any RCU-protected data structure |
| 142 | accessed during an RCU read-side critical section is guaranteed to | 142 | accessed during an RCU read-side critical section is guaranteed to |
| 143 | remain unreclaimed for the full duration of that critical section. | 143 | remain unreclaimed for the full duration of that critical section. |
diff --git a/Documentation/atomic_ops.txt b/Documentation/atomic_ops.txt index 68542fe13b85..183e41bdcb69 100644 --- a/Documentation/atomic_ops.txt +++ b/Documentation/atomic_ops.txt | |||
| @@ -7,12 +7,13 @@ | |||
| 7 | maintainers on how to implement atomic counter, bitops, and spinlock | 7 | maintainers on how to implement atomic counter, bitops, and spinlock |
| 8 | interfaces properly. | 8 | interfaces properly. |
| 9 | 9 | ||
| 10 | The atomic_t type should be defined as a signed integer. | 10 | The atomic_t type should be defined as a signed integer and |
| 11 | Also, it should be made opaque such that any kind of cast to a normal | 11 | the atomic_long_t type as a signed long integer. Also, they should |
| 12 | C integer type will fail. Something like the following should | 12 | be made opaque such that any kind of cast to a normal C integer type |
| 13 | suffice: | 13 | will fail. Something like the following should suffice: |
| 14 | 14 | ||
| 15 | typedef struct { int counter; } atomic_t; | 15 | typedef struct { int counter; } atomic_t; |
| 16 | typedef struct { long counter; } atomic_long_t; | ||
| 16 | 17 | ||
| 17 | Historically, counter has been declared volatile. This is now discouraged. | 18 | Historically, counter has been declared volatile. This is now discouraged. |
| 18 | See Documentation/volatile-considered-harmful.txt for the complete rationale. | 19 | See Documentation/volatile-considered-harmful.txt for the complete rationale. |
| @@ -37,6 +38,9 @@ initializer is used before runtime. If the initializer is used at runtime, a | |||
| 37 | proper implicit or explicit read memory barrier is needed before reading the | 38 | proper implicit or explicit read memory barrier is needed before reading the |
| 38 | value with atomic_read from another thread. | 39 | value with atomic_read from another thread. |
| 39 | 40 | ||
| 41 | As with all of the atomic_ interfaces, replace the leading "atomic_" | ||
| 42 | with "atomic_long_" to operate on atomic_long_t. | ||
| 43 | |||
| 40 | The second interface can be used at runtime, as in: | 44 | The second interface can be used at runtime, as in: |
| 41 | 45 | ||
| 42 | struct foo { atomic_t counter; }; | 46 | struct foo { atomic_t counter; }; |
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 479f33204a37..838f3776c924 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt | |||
| @@ -2940,6 +2940,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted. | |||
| 2940 | quiescent states. Units are jiffies, minimum | 2940 | quiescent states. Units are jiffies, minimum |
| 2941 | value is one, and maximum value is HZ. | 2941 | value is one, and maximum value is HZ. |
| 2942 | 2942 | ||
| 2943 | rcutree.kthread_prio= [KNL,BOOT] | ||
| 2944 | Set the SCHED_FIFO priority of the RCU | ||
| 2945 | per-CPU kthreads (rcuc/N). This value is also | ||
| 2946 | used for the priority of the RCU boost threads | ||
| 2947 | (rcub/N). Valid values are 1-99 and the default | ||
| 2948 | is 1 (the least-favored priority). | ||
| 2949 | |||
| 2943 | rcutree.rcu_nocb_leader_stride= [KNL] | 2950 | rcutree.rcu_nocb_leader_stride= [KNL] |
| 2944 | Set the number of NOCB kthread groups, which | 2951 | Set the number of NOCB kthread groups, which |
| 2945 | defaults to the square root of the number of | 2952 | defaults to the square root of the number of |
| @@ -3089,6 +3096,15 @@ bytes respectively. Such letter suffixes can also be entirely omitted. | |||
| 3089 | messages. Disable with a value less than or equal | 3096 | messages. Disable with a value less than or equal |
| 3090 | to zero. | 3097 | to zero. |
| 3091 | 3098 | ||
| 3099 | rcupdate.rcu_self_test= [KNL] | ||
| 3100 | Run the RCU early boot self tests | ||
| 3101 | |||
| 3102 | rcupdate.rcu_self_test_bh= [KNL] | ||
| 3103 | Run the RCU bh early boot self tests | ||
| 3104 | |||
| 3105 | rcupdate.rcu_self_test_sched= [KNL] | ||
| 3106 | Run the RCU sched early boot self tests | ||
| 3107 | |||
| 3092 | rdinit= [KNL] | 3108 | rdinit= [KNL] |
| 3093 | Format: <full_path> | 3109 | Format: <full_path> |
| 3094 | Run specified binary instead of /init from the ramdisk, | 3110 | Run specified binary instead of /init from the ramdisk, |
diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt index 4af4cea8cff0..7ee2ae6d5451 100644 --- a/Documentation/memory-barriers.txt +++ b/Documentation/memory-barriers.txt | |||
| @@ -121,22 +121,22 @@ For example, consider the following sequence of events: | |||
| 121 | The set of accesses as seen by the memory system in the middle can be arranged | 121 | The set of accesses as seen by the memory system in the middle can be arranged |
| 122 | in 24 different combinations: | 122 | in 24 different combinations: |
| 123 | 123 | ||
| 124 | STORE A=3, STORE B=4, x=LOAD A->3, y=LOAD B->4 | 124 | STORE A=3, STORE B=4, y=LOAD A->3, x=LOAD B->4 |
| 125 | STORE A=3, STORE B=4, y=LOAD B->4, x=LOAD A->3 | 125 | STORE A=3, STORE B=4, x=LOAD B->4, y=LOAD A->3 |
| 126 | STORE A=3, x=LOAD A->3, STORE B=4, y=LOAD B->4 | 126 | STORE A=3, y=LOAD A->3, STORE B=4, x=LOAD B->4 |
| 127 | STORE A=3, x=LOAD A->3, y=LOAD B->2, STORE B=4 | 127 | STORE A=3, y=LOAD A->3, x=LOAD B->2, STORE B=4 |
| 128 | STORE A=3, y=LOAD B->2, STORE B=4, x=LOAD A->3 | 128 | STORE A=3, x=LOAD B->2, STORE B=4, y=LOAD A->3 |
| 129 | STORE A=3, y=LOAD B->2, x=LOAD A->3, STORE B=4 | 129 | STORE A=3, x=LOAD B->2, y=LOAD A->3, STORE B=4 |
| 130 | STORE B=4, STORE A=3, x=LOAD A->3, y=LOAD B->4 | 130 | STORE B=4, STORE A=3, y=LOAD A->3, x=LOAD B->4 |
| 131 | STORE B=4, ... | 131 | STORE B=4, ... |
| 132 | ... | 132 | ... |
| 133 | 133 | ||
| 134 | and can thus result in four different combinations of values: | 134 | and can thus result in four different combinations of values: |
| 135 | 135 | ||
| 136 | x == 1, y == 2 | 136 | x == 2, y == 1 |
| 137 | x == 1, y == 4 | 137 | x == 2, y == 3 |
| 138 | x == 3, y == 2 | 138 | x == 4, y == 1 |
| 139 | x == 3, y == 4 | 139 | x == 4, y == 3 |
| 140 | 140 | ||
| 141 | 141 | ||
| 142 | Furthermore, the stores committed by a CPU to the memory system may not be | 142 | Furthermore, the stores committed by a CPU to the memory system may not be |
| @@ -694,6 +694,24 @@ Please note once again that the stores to 'b' differ. If they were | |||
| 694 | identical, as noted earlier, the compiler could pull this store outside | 694 | identical, as noted earlier, the compiler could pull this store outside |
| 695 | of the 'if' statement. | 695 | of the 'if' statement. |
| 696 | 696 | ||
| 697 | You must also be careful not to rely too much on boolean short-circuit | ||
| 698 | evaluation. Consider this example: | ||
| 699 | |||
| 700 | q = ACCESS_ONCE(a); | ||
| 701 | if (a || 1 > 0) | ||
| 702 | ACCESS_ONCE(b) = 1; | ||
| 703 | |||
| 704 | Because the second condition is always true, the compiler can transform | ||
| 705 | this example as following, defeating control dependency: | ||
| 706 | |||
| 707 | q = ACCESS_ONCE(a); | ||
| 708 | ACCESS_ONCE(b) = 1; | ||
| 709 | |||
| 710 | This example underscores the need to ensure that the compiler cannot | ||
| 711 | out-guess your code. More generally, although ACCESS_ONCE() does force | ||
| 712 | the compiler to actually emit code for a given load, it does not force | ||
| 713 | the compiler to use the results. | ||
| 714 | |||
| 697 | Finally, control dependencies do -not- provide transitivity. This is | 715 | Finally, control dependencies do -not- provide transitivity. This is |
| 698 | demonstrated by two related examples, with the initial values of | 716 | demonstrated by two related examples, with the initial values of |
| 699 | x and y both being zero: | 717 | x and y both being zero: |
diff --git a/include/linux/init_task.h b/include/linux/init_task.h index 77fc43f8fb72..d996aef8044f 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h | |||
| @@ -102,7 +102,7 @@ extern struct group_info init_groups; | |||
| 102 | #define INIT_IDS | 102 | #define INIT_IDS |
| 103 | #endif | 103 | #endif |
| 104 | 104 | ||
| 105 | #ifdef CONFIG_TREE_PREEMPT_RCU | 105 | #ifdef CONFIG_PREEMPT_RCU |
| 106 | #define INIT_TASK_RCU_TREE_PREEMPT() \ | 106 | #define INIT_TASK_RCU_TREE_PREEMPT() \ |
| 107 | .rcu_blocked_node = NULL, | 107 | .rcu_blocked_node = NULL, |
| 108 | #else | 108 | #else |
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index 53ff1a752d7e..ed4f5939a452 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h | |||
| @@ -57,7 +57,7 @@ enum rcutorture_type { | |||
| 57 | INVALID_RCU_FLAVOR | 57 | INVALID_RCU_FLAVOR |
| 58 | }; | 58 | }; |
| 59 | 59 | ||
| 60 | #if defined(CONFIG_TREE_RCU) || defined(CONFIG_TREE_PREEMPT_RCU) | 60 | #if defined(CONFIG_TREE_RCU) || defined(CONFIG_PREEMPT_RCU) |
| 61 | void rcutorture_get_gp_data(enum rcutorture_type test_type, int *flags, | 61 | void rcutorture_get_gp_data(enum rcutorture_type test_type, int *flags, |
| 62 | unsigned long *gpnum, unsigned long *completed); | 62 | unsigned long *gpnum, unsigned long *completed); |
| 63 | void rcutorture_record_test_transition(void); | 63 | void rcutorture_record_test_transition(void); |
| @@ -260,7 +260,7 @@ static inline int rcu_preempt_depth(void) | |||
| 260 | void rcu_init(void); | 260 | void rcu_init(void); |
| 261 | void rcu_sched_qs(void); | 261 | void rcu_sched_qs(void); |
| 262 | void rcu_bh_qs(void); | 262 | void rcu_bh_qs(void); |
| 263 | void rcu_check_callbacks(int cpu, int user); | 263 | void rcu_check_callbacks(int user); |
| 264 | struct notifier_block; | 264 | struct notifier_block; |
| 265 | void rcu_idle_enter(void); | 265 | void rcu_idle_enter(void); |
| 266 | void rcu_idle_exit(void); | 266 | void rcu_idle_exit(void); |
| @@ -348,8 +348,8 @@ extern struct srcu_struct tasks_rcu_exit_srcu; | |||
| 348 | */ | 348 | */ |
| 349 | #define cond_resched_rcu_qs() \ | 349 | #define cond_resched_rcu_qs() \ |
| 350 | do { \ | 350 | do { \ |
| 351 | rcu_note_voluntary_context_switch(current); \ | 351 | if (!cond_resched()) \ |
| 352 | cond_resched(); \ | 352 | rcu_note_voluntary_context_switch(current); \ |
| 353 | } while (0) | 353 | } while (0) |
| 354 | 354 | ||
| 355 | #if defined(CONFIG_DEBUG_LOCK_ALLOC) || defined(CONFIG_RCU_TRACE) || defined(CONFIG_SMP) | 355 | #if defined(CONFIG_DEBUG_LOCK_ALLOC) || defined(CONFIG_RCU_TRACE) || defined(CONFIG_SMP) |
| @@ -365,7 +365,7 @@ typedef void call_rcu_func_t(struct rcu_head *head, | |||
| 365 | void (*func)(struct rcu_head *head)); | 365 | void (*func)(struct rcu_head *head)); |
| 366 | void wait_rcu_gp(call_rcu_func_t crf); | 366 | void wait_rcu_gp(call_rcu_func_t crf); |
| 367 | 367 | ||
| 368 | #if defined(CONFIG_TREE_RCU) || defined(CONFIG_TREE_PREEMPT_RCU) | 368 | #if defined(CONFIG_TREE_RCU) || defined(CONFIG_PREEMPT_RCU) |
| 369 | #include <linux/rcutree.h> | 369 | #include <linux/rcutree.h> |
| 370 | #elif defined(CONFIG_TINY_RCU) | 370 | #elif defined(CONFIG_TINY_RCU) |
| 371 | #include <linux/rcutiny.h> | 371 | #include <linux/rcutiny.h> |
| @@ -867,7 +867,7 @@ static inline void rcu_preempt_sleep_check(void) | |||
| 867 | * | 867 | * |
| 868 | * In non-preemptible RCU implementations (TREE_RCU and TINY_RCU), | 868 | * In non-preemptible RCU implementations (TREE_RCU and TINY_RCU), |
| 869 | * it is illegal to block while in an RCU read-side critical section. | 869 | * it is illegal to block while in an RCU read-side critical section. |
| 870 | * In preemptible RCU implementations (TREE_PREEMPT_RCU) in CONFIG_PREEMPT | 870 | * In preemptible RCU implementations (PREEMPT_RCU) in CONFIG_PREEMPT |
| 871 | * kernel builds, RCU read-side critical sections may be preempted, | 871 | * kernel builds, RCU read-side critical sections may be preempted, |
| 872 | * but explicit blocking is illegal. Finally, in preemptible RCU | 872 | * but explicit blocking is illegal. Finally, in preemptible RCU |
| 873 | * implementations in real-time (with -rt patchset) kernel builds, RCU | 873 | * implementations in real-time (with -rt patchset) kernel builds, RCU |
| @@ -902,7 +902,9 @@ static inline void rcu_read_lock(void) | |||
| 902 | * Unfortunately, this function acquires the scheduler's runqueue and | 902 | * Unfortunately, this function acquires the scheduler's runqueue and |
| 903 | * priority-inheritance spinlocks. This means that deadlock could result | 903 | * priority-inheritance spinlocks. This means that deadlock could result |
| 904 | * if the caller of rcu_read_unlock() already holds one of these locks or | 904 | * if the caller of rcu_read_unlock() already holds one of these locks or |
| 905 | * any lock that is ever acquired while holding them. | 905 | * any lock that is ever acquired while holding them; or any lock which |
| 906 | * can be taken from interrupt context because rcu_boost()->rt_mutex_lock() | ||
| 907 | * does not disable irqs while taking ->wait_lock. | ||
| 906 | * | 908 | * |
| 907 | * That said, RCU readers are never priority boosted unless they were | 909 | * That said, RCU readers are never priority boosted unless they were |
| 908 | * preempted. Therefore, one way to avoid deadlock is to make sure | 910 | * preempted. Therefore, one way to avoid deadlock is to make sure |
| @@ -1062,6 +1064,7 @@ static inline notrace void rcu_read_unlock_sched_notrace(void) | |||
| 1062 | */ | 1064 | */ |
| 1063 | #define RCU_INIT_POINTER(p, v) \ | 1065 | #define RCU_INIT_POINTER(p, v) \ |
| 1064 | do { \ | 1066 | do { \ |
| 1067 | rcu_dereference_sparse(p, __rcu); \ | ||
| 1065 | p = RCU_INITIALIZER(v); \ | 1068 | p = RCU_INITIALIZER(v); \ |
| 1066 | } while (0) | 1069 | } while (0) |
| 1067 | 1070 | ||
| @@ -1118,7 +1121,7 @@ static inline notrace void rcu_read_unlock_sched_notrace(void) | |||
| 1118 | __kfree_rcu(&((ptr)->rcu_head), offsetof(typeof(*(ptr)), rcu_head)) | 1121 | __kfree_rcu(&((ptr)->rcu_head), offsetof(typeof(*(ptr)), rcu_head)) |
| 1119 | 1122 | ||
| 1120 | #if defined(CONFIG_TINY_RCU) || defined(CONFIG_RCU_NOCB_CPU_ALL) | 1123 | #if defined(CONFIG_TINY_RCU) || defined(CONFIG_RCU_NOCB_CPU_ALL) |
| 1121 | static inline int rcu_needs_cpu(int cpu, unsigned long *delta_jiffies) | 1124 | static inline int rcu_needs_cpu(unsigned long *delta_jiffies) |
| 1122 | { | 1125 | { |
| 1123 | *delta_jiffies = ULONG_MAX; | 1126 | *delta_jiffies = ULONG_MAX; |
| 1124 | return 0; | 1127 | return 0; |
diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h index 38cc5b1e252d..0e5366200154 100644 --- a/include/linux/rcutiny.h +++ b/include/linux/rcutiny.h | |||
| @@ -78,7 +78,7 @@ static inline void kfree_call_rcu(struct rcu_head *head, | |||
| 78 | call_rcu(head, func); | 78 | call_rcu(head, func); |
| 79 | } | 79 | } |
| 80 | 80 | ||
| 81 | static inline void rcu_note_context_switch(int cpu) | 81 | static inline void rcu_note_context_switch(void) |
| 82 | { | 82 | { |
| 83 | rcu_sched_qs(); | 83 | rcu_sched_qs(); |
| 84 | } | 84 | } |
diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h index 3e2f5d432743..52953790dcca 100644 --- a/include/linux/rcutree.h +++ b/include/linux/rcutree.h | |||
| @@ -30,9 +30,9 @@ | |||
| 30 | #ifndef __LINUX_RCUTREE_H | 30 | #ifndef __LINUX_RCUTREE_H |
| 31 | #define __LINUX_RCUTREE_H | 31 | #define __LINUX_RCUTREE_H |
| 32 | 32 | ||
| 33 | void rcu_note_context_switch(int cpu); | 33 | void rcu_note_context_switch(void); |
| 34 | #ifndef CONFIG_RCU_NOCB_CPU_ALL | 34 | #ifndef CONFIG_RCU_NOCB_CPU_ALL |
| 35 | int rcu_needs_cpu(int cpu, unsigned long *delta_jiffies); | 35 | int rcu_needs_cpu(unsigned long *delta_jiffies); |
| 36 | #endif /* #ifndef CONFIG_RCU_NOCB_CPU_ALL */ | 36 | #endif /* #ifndef CONFIG_RCU_NOCB_CPU_ALL */ |
| 37 | void rcu_cpu_stall_reset(void); | 37 | void rcu_cpu_stall_reset(void); |
| 38 | 38 | ||
| @@ -43,7 +43,7 @@ void rcu_cpu_stall_reset(void); | |||
| 43 | */ | 43 | */ |
| 44 | static inline void rcu_virt_note_context_switch(int cpu) | 44 | static inline void rcu_virt_note_context_switch(int cpu) |
| 45 | { | 45 | { |
| 46 | rcu_note_context_switch(cpu); | 46 | rcu_note_context_switch(); |
| 47 | } | 47 | } |
| 48 | 48 | ||
| 49 | void synchronize_rcu_bh(void); | 49 | void synchronize_rcu_bh(void); |
diff --git a/include/linux/sched.h b/include/linux/sched.h index 5e344bbe63ec..706a9f744909 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h | |||
| @@ -1278,9 +1278,9 @@ struct task_struct { | |||
| 1278 | union rcu_special rcu_read_unlock_special; | 1278 | union rcu_special rcu_read_unlock_special; |
| 1279 | struct list_head rcu_node_entry; | 1279 | struct list_head rcu_node_entry; |
| 1280 | #endif /* #ifdef CONFIG_PREEMPT_RCU */ | 1280 | #endif /* #ifdef CONFIG_PREEMPT_RCU */ |
| 1281 | #ifdef CONFIG_TREE_PREEMPT_RCU | 1281 | #ifdef CONFIG_PREEMPT_RCU |
| 1282 | struct rcu_node *rcu_blocked_node; | 1282 | struct rcu_node *rcu_blocked_node; |
| 1283 | #endif /* #ifdef CONFIG_TREE_PREEMPT_RCU */ | 1283 | #endif /* #ifdef CONFIG_PREEMPT_RCU */ |
| 1284 | #ifdef CONFIG_TASKS_RCU | 1284 | #ifdef CONFIG_TASKS_RCU |
| 1285 | unsigned long rcu_tasks_nvcsw; | 1285 | unsigned long rcu_tasks_nvcsw; |
| 1286 | bool rcu_tasks_holdout; | 1286 | bool rcu_tasks_holdout; |
diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h index e335e7d8c6c2..c78e88ce5ea3 100644 --- a/include/trace/events/rcu.h +++ b/include/trace/events/rcu.h | |||
| @@ -36,7 +36,7 @@ TRACE_EVENT(rcu_utilization, | |||
| 36 | 36 | ||
| 37 | #ifdef CONFIG_RCU_TRACE | 37 | #ifdef CONFIG_RCU_TRACE |
| 38 | 38 | ||
| 39 | #if defined(CONFIG_TREE_RCU) || defined(CONFIG_TREE_PREEMPT_RCU) | 39 | #if defined(CONFIG_TREE_RCU) || defined(CONFIG_PREEMPT_RCU) |
| 40 | 40 | ||
| 41 | /* | 41 | /* |
| 42 | * Tracepoint for grace-period events. Takes a string identifying the | 42 | * Tracepoint for grace-period events. Takes a string identifying the |
| @@ -345,7 +345,7 @@ TRACE_EVENT(rcu_fqs, | |||
| 345 | __entry->cpu, __entry->qsevent) | 345 | __entry->cpu, __entry->qsevent) |
| 346 | ); | 346 | ); |
| 347 | 347 | ||
| 348 | #endif /* #if defined(CONFIG_TREE_RCU) || defined(CONFIG_TREE_PREEMPT_RCU) */ | 348 | #endif /* #if defined(CONFIG_TREE_RCU) || defined(CONFIG_PREEMPT_RCU) */ |
| 349 | 349 | ||
| 350 | /* | 350 | /* |
| 351 | * Tracepoint for dyntick-idle entry/exit events. These take a string | 351 | * Tracepoint for dyntick-idle entry/exit events. These take a string |
diff --git a/init/Kconfig b/init/Kconfig index 2081a4d3d917..903505e66d1d 100644 --- a/init/Kconfig +++ b/init/Kconfig | |||
| @@ -477,7 +477,7 @@ config TREE_RCU | |||
| 477 | thousands of CPUs. It also scales down nicely to | 477 | thousands of CPUs. It also scales down nicely to |
| 478 | smaller systems. | 478 | smaller systems. |
| 479 | 479 | ||
| 480 | config TREE_PREEMPT_RCU | 480 | config PREEMPT_RCU |
| 481 | bool "Preemptible tree-based hierarchical RCU" | 481 | bool "Preemptible tree-based hierarchical RCU" |
| 482 | depends on PREEMPT | 482 | depends on PREEMPT |
| 483 | select IRQ_WORK | 483 | select IRQ_WORK |
| @@ -501,12 +501,6 @@ config TINY_RCU | |||
| 501 | 501 | ||
| 502 | endchoice | 502 | endchoice |
| 503 | 503 | ||
| 504 | config PREEMPT_RCU | ||
| 505 | def_bool TREE_PREEMPT_RCU | ||
| 506 | help | ||
| 507 | This option enables preemptible-RCU code that is common between | ||
| 508 | TREE_PREEMPT_RCU and, in the old days, TINY_PREEMPT_RCU. | ||
| 509 | |||
| 510 | config TASKS_RCU | 504 | config TASKS_RCU |
| 511 | bool "Task_based RCU implementation using voluntary context switch" | 505 | bool "Task_based RCU implementation using voluntary context switch" |
| 512 | default n | 506 | default n |
| @@ -518,7 +512,7 @@ config TASKS_RCU | |||
| 518 | If unsure, say N. | 512 | If unsure, say N. |
| 519 | 513 | ||
| 520 | config RCU_STALL_COMMON | 514 | config RCU_STALL_COMMON |
| 521 | def_bool ( TREE_RCU || TREE_PREEMPT_RCU || RCU_TRACE ) | 515 | def_bool ( TREE_RCU || PREEMPT_RCU || RCU_TRACE ) |
| 522 | help | 516 | help |
| 523 | This option enables RCU CPU stall code that is common between | 517 | This option enables RCU CPU stall code that is common between |
| 524 | the TINY and TREE variants of RCU. The purpose is to allow | 518 | the TINY and TREE variants of RCU. The purpose is to allow |
| @@ -576,7 +570,7 @@ config RCU_FANOUT | |||
| 576 | int "Tree-based hierarchical RCU fanout value" | 570 | int "Tree-based hierarchical RCU fanout value" |
| 577 | range 2 64 if 64BIT | 571 | range 2 64 if 64BIT |
| 578 | range 2 32 if !64BIT | 572 | range 2 32 if !64BIT |
| 579 | depends on TREE_RCU || TREE_PREEMPT_RCU | 573 | depends on TREE_RCU || PREEMPT_RCU |
| 580 | default 64 if 64BIT | 574 | default 64 if 64BIT |
| 581 | default 32 if !64BIT | 575 | default 32 if !64BIT |
| 582 | help | 576 | help |
| @@ -596,7 +590,7 @@ config RCU_FANOUT_LEAF | |||
| 596 | int "Tree-based hierarchical RCU leaf-level fanout value" | 590 | int "Tree-based hierarchical RCU leaf-level fanout value" |
| 597 | range 2 RCU_FANOUT if 64BIT | 591 | range 2 RCU_FANOUT if 64BIT |
| 598 | range 2 RCU_FANOUT if !64BIT | 592 | range 2 RCU_FANOUT if !64BIT |
| 599 | depends on TREE_RCU || TREE_PREEMPT_RCU | 593 | depends on TREE_RCU || PREEMPT_RCU |
| 600 | default 16 | 594 | default 16 |
| 601 | help | 595 | help |
| 602 | This option controls the leaf-level fanout of hierarchical | 596 | This option controls the leaf-level fanout of hierarchical |
| @@ -621,7 +615,7 @@ config RCU_FANOUT_LEAF | |||
| 621 | 615 | ||
| 622 | config RCU_FANOUT_EXACT | 616 | config RCU_FANOUT_EXACT |
| 623 | bool "Disable tree-based hierarchical RCU auto-balancing" | 617 | bool "Disable tree-based hierarchical RCU auto-balancing" |
| 624 | depends on TREE_RCU || TREE_PREEMPT_RCU | 618 | depends on TREE_RCU || PREEMPT_RCU |
| 625 | default n | 619 | default n |
| 626 | help | 620 | help |
| 627 | This option forces use of the exact RCU_FANOUT value specified, | 621 | This option forces use of the exact RCU_FANOUT value specified, |
| @@ -652,11 +646,11 @@ config RCU_FAST_NO_HZ | |||
| 652 | Say N if you are unsure. | 646 | Say N if you are unsure. |
| 653 | 647 | ||
| 654 | config TREE_RCU_TRACE | 648 | config TREE_RCU_TRACE |
| 655 | def_bool RCU_TRACE && ( TREE_RCU || TREE_PREEMPT_RCU ) | 649 | def_bool RCU_TRACE && ( TREE_RCU || PREEMPT_RCU ) |
| 656 | select DEBUG_FS | 650 | select DEBUG_FS |
| 657 | help | 651 | help |
| 658 | This option provides tracing for the TREE_RCU and | 652 | This option provides tracing for the TREE_RCU and |
| 659 | TREE_PREEMPT_RCU implementations, permitting Makefile to | 653 | PREEMPT_RCU implementations, permitting Makefile to |
| 660 | trivially select kernel/rcutree_trace.c. | 654 | trivially select kernel/rcutree_trace.c. |
| 661 | 655 | ||
| 662 | config RCU_BOOST | 656 | config RCU_BOOST |
| @@ -672,30 +666,31 @@ config RCU_BOOST | |||
| 672 | Say Y here if you are working with real-time apps or heavy loads | 666 | Say Y here if you are working with real-time apps or heavy loads |
| 673 | Say N here if you are unsure. | 667 | Say N here if you are unsure. |
| 674 | 668 | ||
| 675 | config RCU_BOOST_PRIO | 669 | config RCU_KTHREAD_PRIO |
| 676 | int "Real-time priority to boost RCU readers to" | 670 | int "Real-time priority to use for RCU worker threads" |
| 677 | range 1 99 | 671 | range 1 99 |
| 678 | depends on RCU_BOOST | 672 | depends on RCU_BOOST |
| 679 | default 1 | 673 | default 1 |
| 680 | help | 674 | help |
| 681 | This option specifies the real-time priority to which long-term | 675 | This option specifies the SCHED_FIFO priority value that will be |
| 682 | preempted RCU readers are to be boosted. If you are working | 676 | assigned to the rcuc/n and rcub/n threads and is also the value |
| 683 | with a real-time application that has one or more CPU-bound | 677 | used for RCU_BOOST (if enabled). If you are working with a |
| 684 | threads running at a real-time priority level, you should set | 678 | real-time application that has one or more CPU-bound threads |
| 685 | RCU_BOOST_PRIO to a priority higher then the highest-priority | 679 | running at a real-time priority level, you should set |
| 686 | real-time CPU-bound thread. The default RCU_BOOST_PRIO value | 680 | RCU_KTHREAD_PRIO to a priority higher than the highest-priority |
| 687 | of 1 is appropriate in the common case, which is real-time | 681 | real-time CPU-bound application thread. The default RCU_KTHREAD_PRIO |
| 682 | value of 1 is appropriate in the common case, which is real-time | ||
| 688 | applications that do not have any CPU-bound threads. | 683 | applications that do not have any CPU-bound threads. |
| 689 | 684 | ||
| 690 | Some real-time applications might not have a single real-time | 685 | Some real-time applications might not have a single real-time |
| 691 | thread that saturates a given CPU, but instead might have | 686 | thread that saturates a given CPU, but instead might have |
| 692 | multiple real-time threads that, taken together, fully utilize | 687 | multiple real-time threads that, taken together, fully utilize |
| 693 | that CPU. In this case, you should set RCU_BOOST_PRIO to | 688 | that CPU. In this case, you should set RCU_KTHREAD_PRIO to |
| 694 | a priority higher than the lowest-priority thread that is | 689 | a priority higher than the lowest-priority thread that is |
| 695 | conspiring to prevent the CPU from running any non-real-time | 690 | conspiring to prevent the CPU from running any non-real-time |
| 696 | tasks. For example, if one thread at priority 10 and another | 691 | tasks. For example, if one thread at priority 10 and another |
| 697 | thread at priority 5 are between themselves fully consuming | 692 | thread at priority 5 are between themselves fully consuming |
| 698 | the CPU time on a given CPU, then RCU_BOOST_PRIO should be | 693 | the CPU time on a given CPU, then RCU_KTHREAD_PRIO should be |
| 699 | set to priority 6 or higher. | 694 | set to priority 6 or higher. |
| 700 | 695 | ||
| 701 | Specify the real-time priority, or take the default if unsure. | 696 | Specify the real-time priority, or take the default if unsure. |
| @@ -715,7 +710,7 @@ config RCU_BOOST_DELAY | |||
| 715 | 710 | ||
| 716 | config RCU_NOCB_CPU | 711 | config RCU_NOCB_CPU |
| 717 | bool "Offload RCU callback processing from boot-selected CPUs" | 712 | bool "Offload RCU callback processing from boot-selected CPUs" |
| 718 | depends on TREE_RCU || TREE_PREEMPT_RCU | 713 | depends on TREE_RCU || PREEMPT_RCU |
| 719 | default n | 714 | default n |
| 720 | help | 715 | help |
| 721 | Use this option to reduce OS jitter for aggressive HPC or | 716 | Use this option to reduce OS jitter for aggressive HPC or |
| @@ -739,6 +734,7 @@ config RCU_NOCB_CPU | |||
| 739 | choice | 734 | choice |
| 740 | prompt "Build-forced no-CBs CPUs" | 735 | prompt "Build-forced no-CBs CPUs" |
| 741 | default RCU_NOCB_CPU_NONE | 736 | default RCU_NOCB_CPU_NONE |
| 737 | depends on RCU_NOCB_CPU | ||
| 742 | help | 738 | help |
| 743 | This option allows no-CBs CPUs (whose RCU callbacks are invoked | 739 | This option allows no-CBs CPUs (whose RCU callbacks are invoked |
| 744 | from kthreads rather than from softirq context) to be specified | 740 | from kthreads rather than from softirq context) to be specified |
| @@ -747,7 +743,6 @@ choice | |||
| 747 | 743 | ||
| 748 | config RCU_NOCB_CPU_NONE | 744 | config RCU_NOCB_CPU_NONE |
| 749 | bool "No build_forced no-CBs CPUs" | 745 | bool "No build_forced no-CBs CPUs" |
| 750 | depends on RCU_NOCB_CPU | ||
| 751 | help | 746 | help |
| 752 | This option does not force any of the CPUs to be no-CBs CPUs. | 747 | This option does not force any of the CPUs to be no-CBs CPUs. |
| 753 | Only CPUs designated by the rcu_nocbs= boot parameter will be | 748 | Only CPUs designated by the rcu_nocbs= boot parameter will be |
| @@ -761,7 +756,6 @@ config RCU_NOCB_CPU_NONE | |||
| 761 | 756 | ||
| 762 | config RCU_NOCB_CPU_ZERO | 757 | config RCU_NOCB_CPU_ZERO |
| 763 | bool "CPU 0 is a build_forced no-CBs CPU" | 758 | bool "CPU 0 is a build_forced no-CBs CPU" |
| 764 | depends on RCU_NOCB_CPU | ||
| 765 | help | 759 | help |
| 766 | This option forces CPU 0 to be a no-CBs CPU, so that its RCU | 760 | This option forces CPU 0 to be a no-CBs CPU, so that its RCU |
| 767 | callbacks are invoked by a per-CPU kthread whose name begins | 761 | callbacks are invoked by a per-CPU kthread whose name begins |
| @@ -776,7 +770,6 @@ config RCU_NOCB_CPU_ZERO | |||
| 776 | 770 | ||
| 777 | config RCU_NOCB_CPU_ALL | 771 | config RCU_NOCB_CPU_ALL |
| 778 | bool "All CPUs are build_forced no-CBs CPUs" | 772 | bool "All CPUs are build_forced no-CBs CPUs" |
| 779 | depends on RCU_NOCB_CPU | ||
| 780 | help | 773 | help |
| 781 | This option forces all CPUs to be no-CBs CPUs. The rcu_nocbs= | 774 | This option forces all CPUs to be no-CBs CPUs. The rcu_nocbs= |
| 782 | boot parameter will be ignored. All CPUs' RCU callbacks will | 775 | boot parameter will be ignored. All CPUs' RCU callbacks will |
diff --git a/kernel/cpu.c b/kernel/cpu.c index 90a3d017b90c..5d220234b3ca 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c | |||
| @@ -86,6 +86,16 @@ static struct { | |||
| 86 | #define cpuhp_lock_acquire() lock_map_acquire(&cpu_hotplug.dep_map) | 86 | #define cpuhp_lock_acquire() lock_map_acquire(&cpu_hotplug.dep_map) |
| 87 | #define cpuhp_lock_release() lock_map_release(&cpu_hotplug.dep_map) | 87 | #define cpuhp_lock_release() lock_map_release(&cpu_hotplug.dep_map) |
| 88 | 88 | ||
| 89 | static void apply_puts_pending(int max) | ||
| 90 | { | ||
| 91 | int delta; | ||
| 92 | |||
| 93 | if (atomic_read(&cpu_hotplug.puts_pending) >= max) { | ||
| 94 | delta = atomic_xchg(&cpu_hotplug.puts_pending, 0); | ||
| 95 | cpu_hotplug.refcount -= delta; | ||
| 96 | } | ||
| 97 | } | ||
| 98 | |||
| 89 | void get_online_cpus(void) | 99 | void get_online_cpus(void) |
| 90 | { | 100 | { |
| 91 | might_sleep(); | 101 | might_sleep(); |
| @@ -93,6 +103,7 @@ void get_online_cpus(void) | |||
| 93 | return; | 103 | return; |
| 94 | cpuhp_lock_acquire_read(); | 104 | cpuhp_lock_acquire_read(); |
| 95 | mutex_lock(&cpu_hotplug.lock); | 105 | mutex_lock(&cpu_hotplug.lock); |
| 106 | apply_puts_pending(65536); | ||
| 96 | cpu_hotplug.refcount++; | 107 | cpu_hotplug.refcount++; |
| 97 | mutex_unlock(&cpu_hotplug.lock); | 108 | mutex_unlock(&cpu_hotplug.lock); |
| 98 | } | 109 | } |
| @@ -105,6 +116,7 @@ bool try_get_online_cpus(void) | |||
| 105 | if (!mutex_trylock(&cpu_hotplug.lock)) | 116 | if (!mutex_trylock(&cpu_hotplug.lock)) |
| 106 | return false; | 117 | return false; |
| 107 | cpuhp_lock_acquire_tryread(); | 118 | cpuhp_lock_acquire_tryread(); |
| 119 | apply_puts_pending(65536); | ||
| 108 | cpu_hotplug.refcount++; | 120 | cpu_hotplug.refcount++; |
| 109 | mutex_unlock(&cpu_hotplug.lock); | 121 | mutex_unlock(&cpu_hotplug.lock); |
| 110 | return true; | 122 | return true; |
| @@ -161,12 +173,7 @@ void cpu_hotplug_begin(void) | |||
| 161 | cpuhp_lock_acquire(); | 173 | cpuhp_lock_acquire(); |
| 162 | for (;;) { | 174 | for (;;) { |
| 163 | mutex_lock(&cpu_hotplug.lock); | 175 | mutex_lock(&cpu_hotplug.lock); |
| 164 | if (atomic_read(&cpu_hotplug.puts_pending)) { | 176 | apply_puts_pending(1); |
| 165 | int delta; | ||
| 166 | |||
| 167 | delta = atomic_xchg(&cpu_hotplug.puts_pending, 0); | ||
| 168 | cpu_hotplug.refcount -= delta; | ||
| 169 | } | ||
| 170 | if (likely(!cpu_hotplug.refcount)) | 177 | if (likely(!cpu_hotplug.refcount)) |
| 171 | break; | 178 | break; |
| 172 | __set_current_state(TASK_UNINTERRUPTIBLE); | 179 | __set_current_state(TASK_UNINTERRUPTIBLE); |
diff --git a/kernel/fork.c b/kernel/fork.c index 9b7d746d6d62..9ca84189cfc2 100644 --- a/kernel/fork.c +++ b/kernel/fork.c | |||
| @@ -1022,11 +1022,14 @@ void __cleanup_sighand(struct sighand_struct *sighand) | |||
| 1022 | { | 1022 | { |
| 1023 | if (atomic_dec_and_test(&sighand->count)) { | 1023 | if (atomic_dec_and_test(&sighand->count)) { |
| 1024 | signalfd_cleanup(sighand); | 1024 | signalfd_cleanup(sighand); |
| 1025 | /* | ||
| 1026 | * sighand_cachep is SLAB_DESTROY_BY_RCU so we can free it | ||
| 1027 | * without an RCU grace period, see __lock_task_sighand(). | ||
| 1028 | */ | ||
| 1025 | kmem_cache_free(sighand_cachep, sighand); | 1029 | kmem_cache_free(sighand_cachep, sighand); |
| 1026 | } | 1030 | } |
| 1027 | } | 1031 | } |
| 1028 | 1032 | ||
| 1029 | |||
| 1030 | /* | 1033 | /* |
| 1031 | * Initialize POSIX timer handling for a thread group. | 1034 | * Initialize POSIX timer handling for a thread group. |
| 1032 | */ | 1035 | */ |
diff --git a/kernel/rcu/Makefile b/kernel/rcu/Makefile index 807ccfbf69b3..e6fae503d1bc 100644 --- a/kernel/rcu/Makefile +++ b/kernel/rcu/Makefile | |||
| @@ -1,6 +1,6 @@ | |||
| 1 | obj-y += update.o srcu.o | 1 | obj-y += update.o srcu.o |
| 2 | obj-$(CONFIG_RCU_TORTURE_TEST) += rcutorture.o | 2 | obj-$(CONFIG_RCU_TORTURE_TEST) += rcutorture.o |
| 3 | obj-$(CONFIG_TREE_RCU) += tree.o | 3 | obj-$(CONFIG_TREE_RCU) += tree.o |
| 4 | obj-$(CONFIG_TREE_PREEMPT_RCU) += tree.o | 4 | obj-$(CONFIG_PREEMPT_RCU) += tree.o |
| 5 | obj-$(CONFIG_TREE_RCU_TRACE) += tree_trace.o | 5 | obj-$(CONFIG_TREE_RCU_TRACE) += tree_trace.o |
| 6 | obj-$(CONFIG_TINY_RCU) += tiny.o | 6 | obj-$(CONFIG_TINY_RCU) += tiny.o |
diff --git a/kernel/rcu/rcu.h b/kernel/rcu/rcu.h index ff1a6de62f17..07bb02eda844 100644 --- a/kernel/rcu/rcu.h +++ b/kernel/rcu/rcu.h | |||
| @@ -135,4 +135,6 @@ int rcu_jiffies_till_stall_check(void); | |||
| 135 | */ | 135 | */ |
| 136 | #define TPS(x) tracepoint_string(x) | 136 | #define TPS(x) tracepoint_string(x) |
| 137 | 137 | ||
| 138 | void rcu_early_boot_tests(void); | ||
| 139 | |||
| 138 | #endif /* __LINUX_RCU_H */ | 140 | #endif /* __LINUX_RCU_H */ |
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index 240fa9094f83..4d559baf06e0 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c | |||
| @@ -812,6 +812,7 @@ rcu_torture_cbflood(void *arg) | |||
| 812 | cur_ops->cb_barrier(); | 812 | cur_ops->cb_barrier(); |
| 813 | stutter_wait("rcu_torture_cbflood"); | 813 | stutter_wait("rcu_torture_cbflood"); |
| 814 | } while (!torture_must_stop()); | 814 | } while (!torture_must_stop()); |
| 815 | vfree(rhp); | ||
| 815 | torture_kthread_stopping("rcu_torture_cbflood"); | 816 | torture_kthread_stopping("rcu_torture_cbflood"); |
| 816 | return 0; | 817 | return 0; |
| 817 | } | 818 | } |
diff --git a/kernel/rcu/tiny.c b/kernel/rcu/tiny.c index c0623fc47125..0db5649f8817 100644 --- a/kernel/rcu/tiny.c +++ b/kernel/rcu/tiny.c | |||
| @@ -247,7 +247,7 @@ void rcu_bh_qs(void) | |||
| 247 | * be called from hardirq context. It is normally called from the | 247 | * be called from hardirq context. It is normally called from the |
| 248 | * scheduling-clock interrupt. | 248 | * scheduling-clock interrupt. |
| 249 | */ | 249 | */ |
| 250 | void rcu_check_callbacks(int cpu, int user) | 250 | void rcu_check_callbacks(int user) |
| 251 | { | 251 | { |
| 252 | RCU_TRACE(check_cpu_stalls()); | 252 | RCU_TRACE(check_cpu_stalls()); |
| 253 | if (user || rcu_is_cpu_rrupt_from_idle()) | 253 | if (user || rcu_is_cpu_rrupt_from_idle()) |
| @@ -380,7 +380,9 @@ void call_rcu_bh(struct rcu_head *head, void (*func)(struct rcu_head *rcu)) | |||
| 380 | } | 380 | } |
| 381 | EXPORT_SYMBOL_GPL(call_rcu_bh); | 381 | EXPORT_SYMBOL_GPL(call_rcu_bh); |
| 382 | 382 | ||
| 383 | void rcu_init(void) | 383 | void __init rcu_init(void) |
| 384 | { | 384 | { |
| 385 | open_softirq(RCU_SOFTIRQ, rcu_process_callbacks); | 385 | open_softirq(RCU_SOFTIRQ, rcu_process_callbacks); |
| 386 | |||
| 387 | rcu_early_boot_tests(); | ||
| 386 | } | 388 | } |
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 9815447d22e0..7680fc275036 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c | |||
| @@ -105,7 +105,7 @@ struct rcu_state sname##_state = { \ | |||
| 105 | .name = RCU_STATE_NAME(sname), \ | 105 | .name = RCU_STATE_NAME(sname), \ |
| 106 | .abbr = sabbr, \ | 106 | .abbr = sabbr, \ |
| 107 | }; \ | 107 | }; \ |
| 108 | DEFINE_PER_CPU(struct rcu_data, sname##_data) | 108 | DEFINE_PER_CPU_SHARED_ALIGNED(struct rcu_data, sname##_data) |
| 109 | 109 | ||
| 110 | RCU_STATE_INITIALIZER(rcu_sched, 's', call_rcu_sched); | 110 | RCU_STATE_INITIALIZER(rcu_sched, 's', call_rcu_sched); |
| 111 | RCU_STATE_INITIALIZER(rcu_bh, 'b', call_rcu_bh); | 111 | RCU_STATE_INITIALIZER(rcu_bh, 'b', call_rcu_bh); |
| @@ -152,19 +152,6 @@ EXPORT_SYMBOL_GPL(rcu_scheduler_active); | |||
| 152 | */ | 152 | */ |
| 153 | static int rcu_scheduler_fully_active __read_mostly; | 153 | static int rcu_scheduler_fully_active __read_mostly; |
| 154 | 154 | ||
| 155 | #ifdef CONFIG_RCU_BOOST | ||
| 156 | |||
| 157 | /* | ||
| 158 | * Control variables for per-CPU and per-rcu_node kthreads. These | ||
| 159 | * handle all flavors of RCU. | ||
| 160 | */ | ||
| 161 | static DEFINE_PER_CPU(struct task_struct *, rcu_cpu_kthread_task); | ||
| 162 | DEFINE_PER_CPU(unsigned int, rcu_cpu_kthread_status); | ||
| 163 | DEFINE_PER_CPU(unsigned int, rcu_cpu_kthread_loops); | ||
| 164 | DEFINE_PER_CPU(char, rcu_cpu_has_work); | ||
| 165 | |||
| 166 | #endif /* #ifdef CONFIG_RCU_BOOST */ | ||
| 167 | |||
| 168 | static void rcu_boost_kthread_setaffinity(struct rcu_node *rnp, int outgoingcpu); | 155 | static void rcu_boost_kthread_setaffinity(struct rcu_node *rnp, int outgoingcpu); |
| 169 | static void invoke_rcu_core(void); | 156 | static void invoke_rcu_core(void); |
| 170 | static void invoke_rcu_callbacks(struct rcu_state *rsp, struct rcu_data *rdp); | 157 | static void invoke_rcu_callbacks(struct rcu_state *rsp, struct rcu_data *rdp); |
| @@ -286,11 +273,11 @@ static void rcu_momentary_dyntick_idle(void) | |||
| 286 | * and requires special handling for preemptible RCU. | 273 | * and requires special handling for preemptible RCU. |
| 287 | * The caller must have disabled preemption. | 274 | * The caller must have disabled preemption. |
| 288 | */ | 275 | */ |
| 289 | void rcu_note_context_switch(int cpu) | 276 | void rcu_note_context_switch(void) |
| 290 | { | 277 | { |
| 291 | trace_rcu_utilization(TPS("Start context switch")); | 278 | trace_rcu_utilization(TPS("Start context switch")); |
| 292 | rcu_sched_qs(); | 279 | rcu_sched_qs(); |
| 293 | rcu_preempt_note_context_switch(cpu); | 280 | rcu_preempt_note_context_switch(); |
| 294 | if (unlikely(raw_cpu_read(rcu_sched_qs_mask))) | 281 | if (unlikely(raw_cpu_read(rcu_sched_qs_mask))) |
| 295 | rcu_momentary_dyntick_idle(); | 282 | rcu_momentary_dyntick_idle(); |
| 296 | trace_rcu_utilization(TPS("End context switch")); | 283 | trace_rcu_utilization(TPS("End context switch")); |
| @@ -325,7 +312,7 @@ static void force_qs_rnp(struct rcu_state *rsp, | |||
| 325 | unsigned long *maxj), | 312 | unsigned long *maxj), |
| 326 | bool *isidle, unsigned long *maxj); | 313 | bool *isidle, unsigned long *maxj); |
| 327 | static void force_quiescent_state(struct rcu_state *rsp); | 314 | static void force_quiescent_state(struct rcu_state *rsp); |
| 328 | static int rcu_pending(int cpu); | 315 | static int rcu_pending(void); |
| 329 | 316 | ||
| 330 | /* | 317 | /* |
| 331 | * Return the number of RCU-sched batches processed thus far for debug & stats. | 318 | * Return the number of RCU-sched batches processed thus far for debug & stats. |
| @@ -510,11 +497,11 @@ cpu_needs_another_gp(struct rcu_state *rsp, struct rcu_data *rdp) | |||
| 510 | * we really have entered idle, and must do the appropriate accounting. | 497 | * we really have entered idle, and must do the appropriate accounting. |
| 511 | * The caller must have disabled interrupts. | 498 | * The caller must have disabled interrupts. |
| 512 | */ | 499 | */ |
| 513 | static void rcu_eqs_enter_common(struct rcu_dynticks *rdtp, long long oldval, | 500 | static void rcu_eqs_enter_common(long long oldval, bool user) |
| 514 | bool user) | ||
| 515 | { | 501 | { |
| 516 | struct rcu_state *rsp; | 502 | struct rcu_state *rsp; |
| 517 | struct rcu_data *rdp; | 503 | struct rcu_data *rdp; |
| 504 | struct rcu_dynticks *rdtp = this_cpu_ptr(&rcu_dynticks); | ||
| 518 | 505 | ||
| 519 | trace_rcu_dyntick(TPS("Start"), oldval, rdtp->dynticks_nesting); | 506 | trace_rcu_dyntick(TPS("Start"), oldval, rdtp->dynticks_nesting); |
| 520 | if (!user && !is_idle_task(current)) { | 507 | if (!user && !is_idle_task(current)) { |
| @@ -531,7 +518,7 @@ static void rcu_eqs_enter_common(struct rcu_dynticks *rdtp, long long oldval, | |||
| 531 | rdp = this_cpu_ptr(rsp->rda); | 518 | rdp = this_cpu_ptr(rsp->rda); |
| 532 | do_nocb_deferred_wakeup(rdp); | 519 | do_nocb_deferred_wakeup(rdp); |
| 533 | } | 520 | } |
| 534 | rcu_prepare_for_idle(smp_processor_id()); | 521 | rcu_prepare_for_idle(); |
| 535 | /* CPUs seeing atomic_inc() must see prior RCU read-side crit sects */ | 522 | /* CPUs seeing atomic_inc() must see prior RCU read-side crit sects */ |
| 536 | smp_mb__before_atomic(); /* See above. */ | 523 | smp_mb__before_atomic(); /* See above. */ |
| 537 | atomic_inc(&rdtp->dynticks); | 524 | atomic_inc(&rdtp->dynticks); |
| @@ -565,7 +552,7 @@ static void rcu_eqs_enter(bool user) | |||
| 565 | WARN_ON_ONCE((oldval & DYNTICK_TASK_NEST_MASK) == 0); | 552 | WARN_ON_ONCE((oldval & DYNTICK_TASK_NEST_MASK) == 0); |
| 566 | if ((oldval & DYNTICK_TASK_NEST_MASK) == DYNTICK_TASK_NEST_VALUE) { | 553 | if ((oldval & DYNTICK_TASK_NEST_MASK) == DYNTICK_TASK_NEST_VALUE) { |
| 567 | rdtp->dynticks_nesting = 0; | 554 | rdtp->dynticks_nesting = 0; |
| 568 | rcu_eqs_enter_common(rdtp, oldval, user); | 555 | rcu_eqs_enter_common(oldval, user); |
| 569 | } else { | 556 | } else { |
| 570 | rdtp->dynticks_nesting -= DYNTICK_TASK_NEST_VALUE; | 557 | rdtp->dynticks_nesting -= DYNTICK_TASK_NEST_VALUE; |
| 571 | } | 558 | } |
| @@ -589,7 +576,7 @@ void rcu_idle_enter(void) | |||
| 589 | 576 | ||
| 590 | local_irq_save(flags); | 577 | local_irq_save(flags); |
| 591 | rcu_eqs_enter(false); | 578 | rcu_eqs_enter(false); |
| 592 | rcu_sysidle_enter(this_cpu_ptr(&rcu_dynticks), 0); | 579 | rcu_sysidle_enter(0); |
| 593 | local_irq_restore(flags); | 580 | local_irq_restore(flags); |
| 594 | } | 581 | } |
| 595 | EXPORT_SYMBOL_GPL(rcu_idle_enter); | 582 | EXPORT_SYMBOL_GPL(rcu_idle_enter); |
| @@ -639,8 +626,8 @@ void rcu_irq_exit(void) | |||
| 639 | if (rdtp->dynticks_nesting) | 626 | if (rdtp->dynticks_nesting) |
| 640 | trace_rcu_dyntick(TPS("--="), oldval, rdtp->dynticks_nesting); | 627 | trace_rcu_dyntick(TPS("--="), oldval, rdtp->dynticks_nesting); |
| 641 | else | 628 | else |
| 642 | rcu_eqs_enter_common(rdtp, oldval, true); | 629 | rcu_eqs_enter_common(oldval, true); |
| 643 | rcu_sysidle_enter(rdtp, 1); | 630 | rcu_sysidle_enter(1); |
| 644 | local_irq_restore(flags); | 631 | local_irq_restore(flags); |
| 645 | } | 632 | } |
| 646 | 633 | ||
| @@ -651,16 +638,17 @@ void rcu_irq_exit(void) | |||
| 651 | * we really have exited idle, and must do the appropriate accounting. | 638 | * we really have exited idle, and must do the appropriate accounting. |
| 652 | * The caller must have disabled interrupts. | 639 | * The caller must have disabled interrupts. |
| 653 | */ | 640 | */ |
| 654 | static void rcu_eqs_exit_common(struct rcu_dynticks *rdtp, long long oldval, | 641 | static void rcu_eqs_exit_common(long long oldval, int user) |
| 655 | int user) | ||
| 656 | { | 642 | { |
| 643 | struct rcu_dynticks *rdtp = this_cpu_ptr(&rcu_dynticks); | ||
| 644 | |||
| 657 | rcu_dynticks_task_exit(); | 645 | rcu_dynticks_task_exit(); |
| 658 | smp_mb__before_atomic(); /* Force ordering w/previous sojourn. */ | 646 | smp_mb__before_atomic(); /* Force ordering w/previous sojourn. */ |
| 659 | atomic_inc(&rdtp->dynticks); | 647 | atomic_inc(&rdtp->dynticks); |
| 660 | /* CPUs seeing atomic_inc() must see later RCU read-side crit sects */ | 648 | /* CPUs seeing atomic_inc() must see later RCU read-side crit sects */ |
| 661 | smp_mb__after_atomic(); /* See above. */ | 649 | smp_mb__after_atomic(); /* See above. */ |
| 662 | WARN_ON_ONCE(!(atomic_read(&rdtp->dynticks) & 0x1)); | 650 | WARN_ON_ONCE(!(atomic_read(&rdtp->dynticks) & 0x1)); |
| 663 | rcu_cleanup_after_idle(smp_processor_id()); | 651 | rcu_cleanup_after_idle(); |
| 664 | trace_rcu_dyntick(TPS("End"), oldval, rdtp->dynticks_nesting); | 652 | trace_rcu_dyntick(TPS("End"), oldval, rdtp->dynticks_nesting); |
| 665 | if (!user && !is_idle_task(current)) { | 653 | if (!user && !is_idle_task(current)) { |
| 666 | struct task_struct *idle __maybe_unused = | 654 | struct task_struct *idle __maybe_unused = |
| @@ -691,7 +679,7 @@ static void rcu_eqs_exit(bool user) | |||
| 691 | rdtp->dynticks_nesting += DYNTICK_TASK_NEST_VALUE; | 679 | rdtp->dynticks_nesting += DYNTICK_TASK_NEST_VALUE; |
| 692 | } else { | 680 | } else { |
| 693 | rdtp->dynticks_nesting = DYNTICK_TASK_EXIT_IDLE; | 681 | rdtp->dynticks_nesting = DYNTICK_TASK_EXIT_IDLE; |
| 694 | rcu_eqs_exit_common(rdtp, oldval, user); | 682 | rcu_eqs_exit_common(oldval, user); |
| 695 | } | 683 | } |
| 696 | } | 684 | } |
| 697 | 685 | ||
| @@ -712,7 +700,7 @@ void rcu_idle_exit(void) | |||
| 712 | 700 | ||
| 713 | local_irq_save(flags); | 701 | local_irq_save(flags); |
| 714 | rcu_eqs_exit(false); | 702 | rcu_eqs_exit(false); |
| 715 | rcu_sysidle_exit(this_cpu_ptr(&rcu_dynticks), 0); | 703 | rcu_sysidle_exit(0); |
| 716 | local_irq_restore(flags); | 704 | local_irq_restore(flags); |
| 717 | } | 705 | } |
| 718 | EXPORT_SYMBOL_GPL(rcu_idle_exit); | 706 | EXPORT_SYMBOL_GPL(rcu_idle_exit); |
| @@ -763,8 +751,8 @@ void rcu_irq_enter(void) | |||
| 763 | if (oldval) | 751 | if (oldval) |
| 764 | trace_rcu_dyntick(TPS("++="), oldval, rdtp->dynticks_nesting); | 752 | trace_rcu_dyntick(TPS("++="), oldval, rdtp->dynticks_nesting); |
| 765 | else | 753 | else |
| 766 | rcu_eqs_exit_common(rdtp, oldval, true); | 754 | rcu_eqs_exit_common(oldval, true); |
| 767 | rcu_sysidle_exit(rdtp, 1); | 755 | rcu_sysidle_exit(1); |
| 768 | local_irq_restore(flags); | 756 | local_irq_restore(flags); |
| 769 | } | 757 | } |
| 770 | 758 | ||
| @@ -2387,7 +2375,7 @@ static void rcu_do_batch(struct rcu_state *rsp, struct rcu_data *rdp) | |||
| 2387 | * invoked from the scheduling-clock interrupt. If rcu_pending returns | 2375 | * invoked from the scheduling-clock interrupt. If rcu_pending returns |
| 2388 | * false, there is no point in invoking rcu_check_callbacks(). | 2376 | * false, there is no point in invoking rcu_check_callbacks(). |
| 2389 | */ | 2377 | */ |
| 2390 | void rcu_check_callbacks(int cpu, int user) | 2378 | void rcu_check_callbacks(int user) |
| 2391 | { | 2379 | { |
| 2392 | trace_rcu_utilization(TPS("Start scheduler-tick")); | 2380 | trace_rcu_utilization(TPS("Start scheduler-tick")); |
| 2393 | increment_cpu_stall_ticks(); | 2381 | increment_cpu_stall_ticks(); |
| @@ -2419,8 +2407,8 @@ void rcu_check_callbacks(int cpu, int user) | |||
| 2419 | 2407 | ||
| 2420 | rcu_bh_qs(); | 2408 | rcu_bh_qs(); |
| 2421 | } | 2409 | } |
| 2422 | rcu_preempt_check_callbacks(cpu); | 2410 | rcu_preempt_check_callbacks(); |
| 2423 | if (rcu_pending(cpu)) | 2411 | if (rcu_pending()) |
| 2424 | invoke_rcu_core(); | 2412 | invoke_rcu_core(); |
| 2425 | if (user) | 2413 | if (user) |
| 2426 | rcu_note_voluntary_context_switch(current); | 2414 | rcu_note_voluntary_context_switch(current); |
| @@ -2963,6 +2951,9 @@ static int synchronize_sched_expedited_cpu_stop(void *data) | |||
| 2963 | */ | 2951 | */ |
| 2964 | void synchronize_sched_expedited(void) | 2952 | void synchronize_sched_expedited(void) |
| 2965 | { | 2953 | { |
| 2954 | cpumask_var_t cm; | ||
| 2955 | bool cma = false; | ||
| 2956 | int cpu; | ||
| 2966 | long firstsnap, s, snap; | 2957 | long firstsnap, s, snap; |
| 2967 | int trycount = 0; | 2958 | int trycount = 0; |
| 2968 | struct rcu_state *rsp = &rcu_sched_state; | 2959 | struct rcu_state *rsp = &rcu_sched_state; |
| @@ -2997,11 +2988,26 @@ void synchronize_sched_expedited(void) | |||
| 2997 | } | 2988 | } |
| 2998 | WARN_ON_ONCE(cpu_is_offline(raw_smp_processor_id())); | 2989 | WARN_ON_ONCE(cpu_is_offline(raw_smp_processor_id())); |
| 2999 | 2990 | ||
| 2991 | /* Offline CPUs, idle CPUs, and any CPU we run on are quiescent. */ | ||
| 2992 | cma = zalloc_cpumask_var(&cm, GFP_KERNEL); | ||
| 2993 | if (cma) { | ||
| 2994 | cpumask_copy(cm, cpu_online_mask); | ||
| 2995 | cpumask_clear_cpu(raw_smp_processor_id(), cm); | ||
| 2996 | for_each_cpu(cpu, cm) { | ||
| 2997 | struct rcu_dynticks *rdtp = &per_cpu(rcu_dynticks, cpu); | ||
| 2998 | |||
| 2999 | if (!(atomic_add_return(0, &rdtp->dynticks) & 0x1)) | ||
| 3000 | cpumask_clear_cpu(cpu, cm); | ||
| 3001 | } | ||
| 3002 | if (cpumask_weight(cm) == 0) | ||
| 3003 | goto all_cpus_idle; | ||
| 3004 | } | ||
| 3005 | |||
| 3000 | /* | 3006 | /* |
| 3001 | * Each pass through the following loop attempts to force a | 3007 | * Each pass through the following loop attempts to force a |
| 3002 | * context switch on each CPU. | 3008 | * context switch on each CPU. |
| 3003 | */ | 3009 | */ |
| 3004 | while (try_stop_cpus(cpu_online_mask, | 3010 | while (try_stop_cpus(cma ? cm : cpu_online_mask, |
| 3005 | synchronize_sched_expedited_cpu_stop, | 3011 | synchronize_sched_expedited_cpu_stop, |
| 3006 | NULL) == -EAGAIN) { | 3012 | NULL) == -EAGAIN) { |
| 3007 | put_online_cpus(); | 3013 | put_online_cpus(); |
| @@ -3013,6 +3019,7 @@ void synchronize_sched_expedited(void) | |||
| 3013 | /* ensure test happens before caller kfree */ | 3019 | /* ensure test happens before caller kfree */ |
| 3014 | smp_mb__before_atomic(); /* ^^^ */ | 3020 | smp_mb__before_atomic(); /* ^^^ */ |
| 3015 | atomic_long_inc(&rsp->expedited_workdone1); | 3021 | atomic_long_inc(&rsp->expedited_workdone1); |
| 3022 | free_cpumask_var(cm); | ||
| 3016 | return; | 3023 | return; |
| 3017 | } | 3024 | } |
| 3018 | 3025 | ||
| @@ -3022,6 +3029,7 @@ void synchronize_sched_expedited(void) | |||
| 3022 | } else { | 3029 | } else { |
| 3023 | wait_rcu_gp(call_rcu_sched); | 3030 | wait_rcu_gp(call_rcu_sched); |
| 3024 | atomic_long_inc(&rsp->expedited_normal); | 3031 | atomic_long_inc(&rsp->expedited_normal); |
| 3032 | free_cpumask_var(cm); | ||
| 3025 | return; | 3033 | return; |
| 3026 | } | 3034 | } |
| 3027 | 3035 | ||
| @@ -3031,6 +3039,7 @@ void synchronize_sched_expedited(void) | |||
| 3031 | /* ensure test happens before caller kfree */ | 3039 | /* ensure test happens before caller kfree */ |
| 3032 | smp_mb__before_atomic(); /* ^^^ */ | 3040 | smp_mb__before_atomic(); /* ^^^ */ |
| 3033 | atomic_long_inc(&rsp->expedited_workdone2); | 3041 | atomic_long_inc(&rsp->expedited_workdone2); |
| 3042 | free_cpumask_var(cm); | ||
| 3034 | return; | 3043 | return; |
| 3035 | } | 3044 | } |
| 3036 | 3045 | ||
| @@ -3045,6 +3054,7 @@ void synchronize_sched_expedited(void) | |||
| 3045 | /* CPU hotplug operation in flight, use normal GP. */ | 3054 | /* CPU hotplug operation in flight, use normal GP. */ |
| 3046 | wait_rcu_gp(call_rcu_sched); | 3055 | wait_rcu_gp(call_rcu_sched); |
| 3047 | atomic_long_inc(&rsp->expedited_normal); | 3056 | atomic_long_inc(&rsp->expedited_normal); |
| 3057 | free_cpumask_var(cm); | ||
| 3048 | return; | 3058 | return; |
| 3049 | } | 3059 | } |
| 3050 | snap = atomic_long_read(&rsp->expedited_start); | 3060 | snap = atomic_long_read(&rsp->expedited_start); |
| @@ -3052,6 +3062,9 @@ void synchronize_sched_expedited(void) | |||
| 3052 | } | 3062 | } |
| 3053 | atomic_long_inc(&rsp->expedited_stoppedcpus); | 3063 | atomic_long_inc(&rsp->expedited_stoppedcpus); |
| 3054 | 3064 | ||
| 3065 | all_cpus_idle: | ||
| 3066 | free_cpumask_var(cm); | ||
| 3067 | |||
| 3055 | /* | 3068 | /* |
| 3056 | * Everyone up to our most recent fetch is covered by our grace | 3069 | * Everyone up to our most recent fetch is covered by our grace |
| 3057 | * period. Update the counter, but only if our work is still | 3070 | * period. Update the counter, but only if our work is still |
| @@ -3143,12 +3156,12 @@ static int __rcu_pending(struct rcu_state *rsp, struct rcu_data *rdp) | |||
| 3143 | * by the current CPU, returning 1 if so. This function is part of the | 3156 | * by the current CPU, returning 1 if so. This function is part of the |
| 3144 | * RCU implementation; it is -not- an exported member of the RCU API. | 3157 | * RCU implementation; it is -not- an exported member of the RCU API. |
| 3145 | */ | 3158 | */ |
| 3146 | static int rcu_pending(int cpu) | 3159 | static int rcu_pending(void) |
| 3147 | { | 3160 | { |
| 3148 | struct rcu_state *rsp; | 3161 | struct rcu_state *rsp; |
| 3149 | 3162 | ||
| 3150 | for_each_rcu_flavor(rsp) | 3163 | for_each_rcu_flavor(rsp) |
| 3151 | if (__rcu_pending(rsp, per_cpu_ptr(rsp->rda, cpu))) | 3164 | if (__rcu_pending(rsp, this_cpu_ptr(rsp->rda))) |
| 3152 | return 1; | 3165 | return 1; |
| 3153 | return 0; | 3166 | return 0; |
| 3154 | } | 3167 | } |
| @@ -3158,7 +3171,7 @@ static int rcu_pending(int cpu) | |||
| 3158 | * non-NULL, store an indication of whether all callbacks are lazy. | 3171 | * non-NULL, store an indication of whether all callbacks are lazy. |
| 3159 | * (If there are no callbacks, all of them are deemed to be lazy.) | 3172 | * (If there are no callbacks, all of them are deemed to be lazy.) |
| 3160 | */ | 3173 | */ |
| 3161 | static int __maybe_unused rcu_cpu_has_callbacks(int cpu, bool *all_lazy) | 3174 | static int __maybe_unused rcu_cpu_has_callbacks(bool *all_lazy) |
| 3162 | { | 3175 | { |
| 3163 | bool al = true; | 3176 | bool al = true; |
| 3164 | bool hc = false; | 3177 | bool hc = false; |
| @@ -3166,7 +3179,7 @@ static int __maybe_unused rcu_cpu_has_callbacks(int cpu, bool *all_lazy) | |||
| 3166 | struct rcu_state *rsp; | 3179 | struct rcu_state *rsp; |
| 3167 | 3180 | ||
| 3168 | for_each_rcu_flavor(rsp) { | 3181 | for_each_rcu_flavor(rsp) { |
| 3169 | rdp = per_cpu_ptr(rsp->rda, cpu); | 3182 | rdp = this_cpu_ptr(rsp->rda); |
| 3170 | if (!rdp->nxtlist) | 3183 | if (!rdp->nxtlist) |
| 3171 | continue; | 3184 | continue; |
| 3172 | hc = true; | 3185 | hc = true; |
| @@ -3485,8 +3498,10 @@ static int rcu_cpu_notify(struct notifier_block *self, | |||
| 3485 | case CPU_DEAD_FROZEN: | 3498 | case CPU_DEAD_FROZEN: |
| 3486 | case CPU_UP_CANCELED: | 3499 | case CPU_UP_CANCELED: |
| 3487 | case CPU_UP_CANCELED_FROZEN: | 3500 | case CPU_UP_CANCELED_FROZEN: |
| 3488 | for_each_rcu_flavor(rsp) | 3501 | for_each_rcu_flavor(rsp) { |
| 3489 | rcu_cleanup_dead_cpu(cpu, rsp); | 3502 | rcu_cleanup_dead_cpu(cpu, rsp); |
| 3503 | do_nocb_deferred_wakeup(per_cpu_ptr(rsp->rda, cpu)); | ||
| 3504 | } | ||
| 3490 | break; | 3505 | break; |
| 3491 | default: | 3506 | default: |
| 3492 | break; | 3507 | break; |
| @@ -3766,6 +3781,8 @@ void __init rcu_init(void) | |||
| 3766 | pm_notifier(rcu_pm_notify, 0); | 3781 | pm_notifier(rcu_pm_notify, 0); |
| 3767 | for_each_online_cpu(cpu) | 3782 | for_each_online_cpu(cpu) |
| 3768 | rcu_cpu_notify(NULL, CPU_UP_PREPARE, (void *)(long)cpu); | 3783 | rcu_cpu_notify(NULL, CPU_UP_PREPARE, (void *)(long)cpu); |
| 3784 | |||
| 3785 | rcu_early_boot_tests(); | ||
| 3769 | } | 3786 | } |
| 3770 | 3787 | ||
| 3771 | #include "tree_plugin.h" | 3788 | #include "tree_plugin.h" |
diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h index bbdc45d8d74f..8e7b1843896e 100644 --- a/kernel/rcu/tree.h +++ b/kernel/rcu/tree.h | |||
| @@ -139,7 +139,7 @@ struct rcu_node { | |||
| 139 | unsigned long expmask; /* Groups that have ->blkd_tasks */ | 139 | unsigned long expmask; /* Groups that have ->blkd_tasks */ |
| 140 | /* elements that need to drain to allow the */ | 140 | /* elements that need to drain to allow the */ |
| 141 | /* current expedited grace period to */ | 141 | /* current expedited grace period to */ |
| 142 | /* complete (only for TREE_PREEMPT_RCU). */ | 142 | /* complete (only for PREEMPT_RCU). */ |
| 143 | unsigned long qsmaskinit; | 143 | unsigned long qsmaskinit; |
| 144 | /* Per-GP initial value for qsmask & expmask. */ | 144 | /* Per-GP initial value for qsmask & expmask. */ |
| 145 | unsigned long grpmask; /* Mask to apply to parent qsmask. */ | 145 | unsigned long grpmask; /* Mask to apply to parent qsmask. */ |
| @@ -530,10 +530,10 @@ DECLARE_PER_CPU(struct rcu_data, rcu_sched_data); | |||
| 530 | extern struct rcu_state rcu_bh_state; | 530 | extern struct rcu_state rcu_bh_state; |
| 531 | DECLARE_PER_CPU(struct rcu_data, rcu_bh_data); | 531 | DECLARE_PER_CPU(struct rcu_data, rcu_bh_data); |
| 532 | 532 | ||
| 533 | #ifdef CONFIG_TREE_PREEMPT_RCU | 533 | #ifdef CONFIG_PREEMPT_RCU |
| 534 | extern struct rcu_state rcu_preempt_state; | 534 | extern struct rcu_state rcu_preempt_state; |
| 535 | DECLARE_PER_CPU(struct rcu_data, rcu_preempt_data); | 535 | DECLARE_PER_CPU(struct rcu_data, rcu_preempt_data); |
| 536 | #endif /* #ifdef CONFIG_TREE_PREEMPT_RCU */ | 536 | #endif /* #ifdef CONFIG_PREEMPT_RCU */ |
| 537 | 537 | ||
| 538 | #ifdef CONFIG_RCU_BOOST | 538 | #ifdef CONFIG_RCU_BOOST |
| 539 | DECLARE_PER_CPU(unsigned int, rcu_cpu_kthread_status); | 539 | DECLARE_PER_CPU(unsigned int, rcu_cpu_kthread_status); |
| @@ -547,7 +547,7 @@ DECLARE_PER_CPU(char, rcu_cpu_has_work); | |||
| 547 | /* Forward declarations for rcutree_plugin.h */ | 547 | /* Forward declarations for rcutree_plugin.h */ |
| 548 | static void rcu_bootup_announce(void); | 548 | static void rcu_bootup_announce(void); |
| 549 | long rcu_batches_completed(void); | 549 | long rcu_batches_completed(void); |
| 550 | static void rcu_preempt_note_context_switch(int cpu); | 550 | static void rcu_preempt_note_context_switch(void); |
| 551 | static int rcu_preempt_blocked_readers_cgp(struct rcu_node *rnp); | 551 | static int rcu_preempt_blocked_readers_cgp(struct rcu_node *rnp); |
| 552 | #ifdef CONFIG_HOTPLUG_CPU | 552 | #ifdef CONFIG_HOTPLUG_CPU |
| 553 | static void rcu_report_unblock_qs_rnp(struct rcu_node *rnp, | 553 | static void rcu_report_unblock_qs_rnp(struct rcu_node *rnp, |
| @@ -561,12 +561,12 @@ static int rcu_preempt_offline_tasks(struct rcu_state *rsp, | |||
| 561 | struct rcu_node *rnp, | 561 | struct rcu_node *rnp, |
| 562 | struct rcu_data *rdp); | 562 | struct rcu_data *rdp); |
| 563 | #endif /* #ifdef CONFIG_HOTPLUG_CPU */ | 563 | #endif /* #ifdef CONFIG_HOTPLUG_CPU */ |
| 564 | static void rcu_preempt_check_callbacks(int cpu); | 564 | static void rcu_preempt_check_callbacks(void); |
| 565 | void call_rcu(struct rcu_head *head, void (*func)(struct rcu_head *rcu)); | 565 | void call_rcu(struct rcu_head *head, void (*func)(struct rcu_head *rcu)); |
| 566 | #if defined(CONFIG_HOTPLUG_CPU) || defined(CONFIG_TREE_PREEMPT_RCU) | 566 | #if defined(CONFIG_HOTPLUG_CPU) || defined(CONFIG_PREEMPT_RCU) |
| 567 | static void rcu_report_exp_rnp(struct rcu_state *rsp, struct rcu_node *rnp, | 567 | static void rcu_report_exp_rnp(struct rcu_state *rsp, struct rcu_node *rnp, |
| 568 | bool wake); | 568 | bool wake); |
| 569 | #endif /* #if defined(CONFIG_HOTPLUG_CPU) || defined(CONFIG_TREE_PREEMPT_RCU) */ | 569 | #endif /* #if defined(CONFIG_HOTPLUG_CPU) || defined(CONFIG_PREEMPT_RCU) */ |
| 570 | static void __init __rcu_init_preempt(void); | 570 | static void __init __rcu_init_preempt(void); |
| 571 | static void rcu_initiate_boost(struct rcu_node *rnp, unsigned long flags); | 571 | static void rcu_initiate_boost(struct rcu_node *rnp, unsigned long flags); |
| 572 | static void rcu_preempt_boost_start_gp(struct rcu_node *rnp); | 572 | static void rcu_preempt_boost_start_gp(struct rcu_node *rnp); |
| @@ -579,8 +579,8 @@ static int rcu_spawn_one_boost_kthread(struct rcu_state *rsp, | |||
| 579 | #endif /* #ifdef CONFIG_RCU_BOOST */ | 579 | #endif /* #ifdef CONFIG_RCU_BOOST */ |
| 580 | static void __init rcu_spawn_boost_kthreads(void); | 580 | static void __init rcu_spawn_boost_kthreads(void); |
| 581 | static void rcu_prepare_kthreads(int cpu); | 581 | static void rcu_prepare_kthreads(int cpu); |
| 582 | static void rcu_cleanup_after_idle(int cpu); | 582 | static void rcu_cleanup_after_idle(void); |
| 583 | static void rcu_prepare_for_idle(int cpu); | 583 | static void rcu_prepare_for_idle(void); |
| 584 | static void rcu_idle_count_callbacks_posted(void); | 584 | static void rcu_idle_count_callbacks_posted(void); |
| 585 | static void print_cpu_stall_info_begin(void); | 585 | static void print_cpu_stall_info_begin(void); |
| 586 | static void print_cpu_stall_info(struct rcu_state *rsp, int cpu); | 586 | static void print_cpu_stall_info(struct rcu_state *rsp, int cpu); |
| @@ -606,8 +606,8 @@ static void __init rcu_organize_nocb_kthreads(struct rcu_state *rsp); | |||
| 606 | #endif /* #ifdef CONFIG_RCU_NOCB_CPU */ | 606 | #endif /* #ifdef CONFIG_RCU_NOCB_CPU */ |
| 607 | static void __maybe_unused rcu_kick_nohz_cpu(int cpu); | 607 | static void __maybe_unused rcu_kick_nohz_cpu(int cpu); |
| 608 | static bool init_nocb_callback_list(struct rcu_data *rdp); | 608 | static bool init_nocb_callback_list(struct rcu_data *rdp); |
| 609 | static void rcu_sysidle_enter(struct rcu_dynticks *rdtp, int irq); | 609 | static void rcu_sysidle_enter(int irq); |
| 610 | static void rcu_sysidle_exit(struct rcu_dynticks *rdtp, int irq); | 610 | static void rcu_sysidle_exit(int irq); |
| 611 | static void rcu_sysidle_check_cpu(struct rcu_data *rdp, bool *isidle, | 611 | static void rcu_sysidle_check_cpu(struct rcu_data *rdp, bool *isidle, |
| 612 | unsigned long *maxj); | 612 | unsigned long *maxj); |
| 613 | static bool is_sysidle_rcu_state(struct rcu_state *rsp); | 613 | static bool is_sysidle_rcu_state(struct rcu_state *rsp); |
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h index c1d7f27bd38f..3ec85cb5d544 100644 --- a/kernel/rcu/tree_plugin.h +++ b/kernel/rcu/tree_plugin.h | |||
| @@ -30,14 +30,24 @@ | |||
| 30 | #include <linux/smpboot.h> | 30 | #include <linux/smpboot.h> |
| 31 | #include "../time/tick-internal.h" | 31 | #include "../time/tick-internal.h" |
| 32 | 32 | ||
| 33 | #define RCU_KTHREAD_PRIO 1 | ||
| 34 | |||
| 35 | #ifdef CONFIG_RCU_BOOST | 33 | #ifdef CONFIG_RCU_BOOST |
| 34 | |||
| 36 | #include "../locking/rtmutex_common.h" | 35 | #include "../locking/rtmutex_common.h" |
| 37 | #define RCU_BOOST_PRIO CONFIG_RCU_BOOST_PRIO | 36 | |
| 38 | #else | 37 | /* rcuc/rcub kthread realtime priority */ |
| 39 | #define RCU_BOOST_PRIO RCU_KTHREAD_PRIO | 38 | static int kthread_prio = CONFIG_RCU_KTHREAD_PRIO; |
| 40 | #endif | 39 | module_param(kthread_prio, int, 0644); |
| 40 | |||
| 41 | /* | ||
| 42 | * Control variables for per-CPU and per-rcu_node kthreads. These | ||
| 43 | * handle all flavors of RCU. | ||
| 44 | */ | ||
| 45 | static DEFINE_PER_CPU(struct task_struct *, rcu_cpu_kthread_task); | ||
| 46 | DEFINE_PER_CPU(unsigned int, rcu_cpu_kthread_status); | ||
| 47 | DEFINE_PER_CPU(unsigned int, rcu_cpu_kthread_loops); | ||
| 48 | DEFINE_PER_CPU(char, rcu_cpu_has_work); | ||
| 49 | |||
| 50 | #endif /* #ifdef CONFIG_RCU_BOOST */ | ||
| 41 | 51 | ||
| 42 | #ifdef CONFIG_RCU_NOCB_CPU | 52 | #ifdef CONFIG_RCU_NOCB_CPU |
| 43 | static cpumask_var_t rcu_nocb_mask; /* CPUs to have callbacks offloaded. */ | 53 | static cpumask_var_t rcu_nocb_mask; /* CPUs to have callbacks offloaded. */ |
| @@ -72,9 +82,6 @@ static void __init rcu_bootup_announce_oddness(void) | |||
| 72 | #ifdef CONFIG_RCU_TORTURE_TEST_RUNNABLE | 82 | #ifdef CONFIG_RCU_TORTURE_TEST_RUNNABLE |
| 73 | pr_info("\tRCU torture testing starts during boot.\n"); | 83 | pr_info("\tRCU torture testing starts during boot.\n"); |
| 74 | #endif | 84 | #endif |
| 75 | #if defined(CONFIG_TREE_PREEMPT_RCU) && !defined(CONFIG_RCU_CPU_STALL_VERBOSE) | ||
| 76 | pr_info("\tDump stacks of tasks blocking RCU-preempt GP.\n"); | ||
| 77 | #endif | ||
| 78 | #if defined(CONFIG_RCU_CPU_STALL_INFO) | 85 | #if defined(CONFIG_RCU_CPU_STALL_INFO) |
| 79 | pr_info("\tAdditional per-CPU info printed with stalls.\n"); | 86 | pr_info("\tAdditional per-CPU info printed with stalls.\n"); |
| 80 | #endif | 87 | #endif |
| @@ -85,9 +92,12 @@ static void __init rcu_bootup_announce_oddness(void) | |||
| 85 | pr_info("\tBoot-time adjustment of leaf fanout to %d.\n", rcu_fanout_leaf); | 92 | pr_info("\tBoot-time adjustment of leaf fanout to %d.\n", rcu_fanout_leaf); |
| 86 | if (nr_cpu_ids != NR_CPUS) | 93 | if (nr_cpu_ids != NR_CPUS) |
| 87 | pr_info("\tRCU restricting CPUs from NR_CPUS=%d to nr_cpu_ids=%d.\n", NR_CPUS, nr_cpu_ids); | 94 | pr_info("\tRCU restricting CPUs from NR_CPUS=%d to nr_cpu_ids=%d.\n", NR_CPUS, nr_cpu_ids); |
| 95 | #ifdef CONFIG_RCU_BOOST | ||
| 96 | pr_info("\tRCU kthread priority: %d.\n", kthread_prio); | ||
| 97 | #endif | ||
| 88 | } | 98 | } |
| 89 | 99 | ||
| 90 | #ifdef CONFIG_TREE_PREEMPT_RCU | 100 | #ifdef CONFIG_PREEMPT_RCU |
| 91 | 101 | ||
| 92 | RCU_STATE_INITIALIZER(rcu_preempt, 'p', call_rcu); | 102 | RCU_STATE_INITIALIZER(rcu_preempt, 'p', call_rcu); |
| 93 | static struct rcu_state *rcu_state_p = &rcu_preempt_state; | 103 | static struct rcu_state *rcu_state_p = &rcu_preempt_state; |
| @@ -156,7 +166,7 @@ static void rcu_preempt_qs(void) | |||
| 156 | * | 166 | * |
| 157 | * Caller must disable preemption. | 167 | * Caller must disable preemption. |
| 158 | */ | 168 | */ |
| 159 | static void rcu_preempt_note_context_switch(int cpu) | 169 | static void rcu_preempt_note_context_switch(void) |
| 160 | { | 170 | { |
| 161 | struct task_struct *t = current; | 171 | struct task_struct *t = current; |
| 162 | unsigned long flags; | 172 | unsigned long flags; |
| @@ -167,7 +177,7 @@ static void rcu_preempt_note_context_switch(int cpu) | |||
| 167 | !t->rcu_read_unlock_special.b.blocked) { | 177 | !t->rcu_read_unlock_special.b.blocked) { |
| 168 | 178 | ||
| 169 | /* Possibly blocking in an RCU read-side critical section. */ | 179 | /* Possibly blocking in an RCU read-side critical section. */ |
| 170 | rdp = per_cpu_ptr(rcu_preempt_state.rda, cpu); | 180 | rdp = this_cpu_ptr(rcu_preempt_state.rda); |
| 171 | rnp = rdp->mynode; | 181 | rnp = rdp->mynode; |
| 172 | raw_spin_lock_irqsave(&rnp->lock, flags); | 182 | raw_spin_lock_irqsave(&rnp->lock, flags); |
| 173 | smp_mb__after_unlock_lock(); | 183 | smp_mb__after_unlock_lock(); |
| @@ -415,8 +425,6 @@ void rcu_read_unlock_special(struct task_struct *t) | |||
| 415 | } | 425 | } |
| 416 | } | 426 | } |
| 417 | 427 | ||
| 418 | #ifdef CONFIG_RCU_CPU_STALL_VERBOSE | ||
| 419 | |||
| 420 | /* | 428 | /* |
| 421 | * Dump detailed information for all tasks blocking the current RCU | 429 | * Dump detailed information for all tasks blocking the current RCU |
| 422 | * grace period on the specified rcu_node structure. | 430 | * grace period on the specified rcu_node structure. |
| @@ -451,14 +459,6 @@ static void rcu_print_detail_task_stall(struct rcu_state *rsp) | |||
| 451 | rcu_print_detail_task_stall_rnp(rnp); | 459 | rcu_print_detail_task_stall_rnp(rnp); |
| 452 | } | 460 | } |
| 453 | 461 | ||
| 454 | #else /* #ifdef CONFIG_RCU_CPU_STALL_VERBOSE */ | ||
| 455 | |||
| 456 | static void rcu_print_detail_task_stall(struct rcu_state *rsp) | ||
| 457 | { | ||
| 458 | } | ||
| 459 | |||
| 460 | #endif /* #else #ifdef CONFIG_RCU_CPU_STALL_VERBOSE */ | ||
| 461 | |||
| 462 | #ifdef CONFIG_RCU_CPU_STALL_INFO | 462 | #ifdef CONFIG_RCU_CPU_STALL_INFO |
| 463 | 463 | ||
| 464 | static void rcu_print_task_stall_begin(struct rcu_node *rnp) | 464 | static void rcu_print_task_stall_begin(struct rcu_node *rnp) |
| @@ -621,7 +621,7 @@ static int rcu_preempt_offline_tasks(struct rcu_state *rsp, | |||
| 621 | * | 621 | * |
| 622 | * Caller must disable hard irqs. | 622 | * Caller must disable hard irqs. |
| 623 | */ | 623 | */ |
| 624 | static void rcu_preempt_check_callbacks(int cpu) | 624 | static void rcu_preempt_check_callbacks(void) |
| 625 | { | 625 | { |
| 626 | struct task_struct *t = current; | 626 | struct task_struct *t = current; |
| 627 | 627 | ||
| @@ -630,8 +630,8 @@ static void rcu_preempt_check_callbacks(int cpu) | |||
| 630 | return; | 630 | return; |
| 631 | } | 631 | } |
| 632 | if (t->rcu_read_lock_nesting > 0 && | 632 | if (t->rcu_read_lock_nesting > 0 && |
| 633 | per_cpu(rcu_preempt_data, cpu).qs_pending && | 633 | __this_cpu_read(rcu_preempt_data.qs_pending) && |
| 634 | !per_cpu(rcu_preempt_data, cpu).passed_quiesce) | 634 | !__this_cpu_read(rcu_preempt_data.passed_quiesce)) |
| 635 | t->rcu_read_unlock_special.b.need_qs = true; | 635 | t->rcu_read_unlock_special.b.need_qs = true; |
| 636 | } | 636 | } |
| 637 | 637 | ||
| @@ -919,7 +919,7 @@ void exit_rcu(void) | |||
| 919 | __rcu_read_unlock(); | 919 | __rcu_read_unlock(); |
| 920 | } | 920 | } |
| 921 | 921 | ||
| 922 | #else /* #ifdef CONFIG_TREE_PREEMPT_RCU */ | 922 | #else /* #ifdef CONFIG_PREEMPT_RCU */ |
| 923 | 923 | ||
| 924 | static struct rcu_state *rcu_state_p = &rcu_sched_state; | 924 | static struct rcu_state *rcu_state_p = &rcu_sched_state; |
| 925 | 925 | ||
| @@ -945,7 +945,7 @@ EXPORT_SYMBOL_GPL(rcu_batches_completed); | |||
| 945 | * Because preemptible RCU does not exist, we never have to check for | 945 | * Because preemptible RCU does not exist, we never have to check for |
| 946 | * CPUs being in quiescent states. | 946 | * CPUs being in quiescent states. |
| 947 | */ | 947 | */ |
| 948 | static void rcu_preempt_note_context_switch(int cpu) | 948 | static void rcu_preempt_note_context_switch(void) |
| 949 | { | 949 | { |
| 950 | } | 950 | } |
| 951 | 951 | ||
| @@ -1017,7 +1017,7 @@ static int rcu_preempt_offline_tasks(struct rcu_state *rsp, | |||
| 1017 | * Because preemptible RCU does not exist, it never has any callbacks | 1017 | * Because preemptible RCU does not exist, it never has any callbacks |
| 1018 | * to check. | 1018 | * to check. |
| 1019 | */ | 1019 | */ |
| 1020 | static void rcu_preempt_check_callbacks(int cpu) | 1020 | static void rcu_preempt_check_callbacks(void) |
| 1021 | { | 1021 | { |
| 1022 | } | 1022 | } |
| 1023 | 1023 | ||
| @@ -1070,7 +1070,7 @@ void exit_rcu(void) | |||
| 1070 | { | 1070 | { |
| 1071 | } | 1071 | } |
| 1072 | 1072 | ||
| 1073 | #endif /* #else #ifdef CONFIG_TREE_PREEMPT_RCU */ | 1073 | #endif /* #else #ifdef CONFIG_PREEMPT_RCU */ |
| 1074 | 1074 | ||
| 1075 | #ifdef CONFIG_RCU_BOOST | 1075 | #ifdef CONFIG_RCU_BOOST |
| 1076 | 1076 | ||
| @@ -1326,7 +1326,7 @@ static int rcu_spawn_one_boost_kthread(struct rcu_state *rsp, | |||
| 1326 | smp_mb__after_unlock_lock(); | 1326 | smp_mb__after_unlock_lock(); |
| 1327 | rnp->boost_kthread_task = t; | 1327 | rnp->boost_kthread_task = t; |
| 1328 | raw_spin_unlock_irqrestore(&rnp->lock, flags); | 1328 | raw_spin_unlock_irqrestore(&rnp->lock, flags); |
| 1329 | sp.sched_priority = RCU_BOOST_PRIO; | 1329 | sp.sched_priority = kthread_prio; |
| 1330 | sched_setscheduler_nocheck(t, SCHED_FIFO, &sp); | 1330 | sched_setscheduler_nocheck(t, SCHED_FIFO, &sp); |
| 1331 | wake_up_process(t); /* get to TASK_INTERRUPTIBLE quickly. */ | 1331 | wake_up_process(t); /* get to TASK_INTERRUPTIBLE quickly. */ |
| 1332 | return 0; | 1332 | return 0; |
| @@ -1343,7 +1343,7 @@ static void rcu_cpu_kthread_setup(unsigned int cpu) | |||
| 1343 | { | 1343 | { |
| 1344 | struct sched_param sp; | 1344 | struct sched_param sp; |
| 1345 | 1345 | ||
| 1346 | sp.sched_priority = RCU_KTHREAD_PRIO; | 1346 | sp.sched_priority = kthread_prio; |
| 1347 | sched_setscheduler_nocheck(current, SCHED_FIFO, &sp); | 1347 | sched_setscheduler_nocheck(current, SCHED_FIFO, &sp); |
| 1348 | } | 1348 | } |
| 1349 | 1349 | ||
| @@ -1512,10 +1512,10 @@ static void rcu_prepare_kthreads(int cpu) | |||
| 1512 | * any flavor of RCU. | 1512 | * any flavor of RCU. |
| 1513 | */ | 1513 | */ |
| 1514 | #ifndef CONFIG_RCU_NOCB_CPU_ALL | 1514 | #ifndef CONFIG_RCU_NOCB_CPU_ALL |
| 1515 | int rcu_needs_cpu(int cpu, unsigned long *delta_jiffies) | 1515 | int rcu_needs_cpu(unsigned long *delta_jiffies) |
| 1516 | { | 1516 | { |
| 1517 | *delta_jiffies = ULONG_MAX; | 1517 | *delta_jiffies = ULONG_MAX; |
| 1518 | return rcu_cpu_has_callbacks(cpu, NULL); | 1518 | return rcu_cpu_has_callbacks(NULL); |
| 1519 | } | 1519 | } |
| 1520 | #endif /* #ifndef CONFIG_RCU_NOCB_CPU_ALL */ | 1520 | #endif /* #ifndef CONFIG_RCU_NOCB_CPU_ALL */ |
| 1521 | 1521 | ||
| @@ -1523,7 +1523,7 @@ int rcu_needs_cpu(int cpu, unsigned long *delta_jiffies) | |||
| 1523 | * Because we do not have RCU_FAST_NO_HZ, don't bother cleaning up | 1523 | * Because we do not have RCU_FAST_NO_HZ, don't bother cleaning up |
| 1524 | * after it. | 1524 | * after it. |
| 1525 | */ | 1525 | */ |
| 1526 | static void rcu_cleanup_after_idle(int cpu) | 1526 | static void rcu_cleanup_after_idle(void) |
| 1527 | { | 1527 | { |
| 1528 | } | 1528 | } |
| 1529 | 1529 | ||
| @@ -1531,7 +1531,7 @@ static void rcu_cleanup_after_idle(int cpu) | |||
| 1531 | * Do the idle-entry grace-period work, which, because CONFIG_RCU_FAST_NO_HZ=n, | 1531 | * Do the idle-entry grace-period work, which, because CONFIG_RCU_FAST_NO_HZ=n, |
| 1532 | * is nothing. | 1532 | * is nothing. |
| 1533 | */ | 1533 | */ |
| 1534 | static void rcu_prepare_for_idle(int cpu) | 1534 | static void rcu_prepare_for_idle(void) |
| 1535 | { | 1535 | { |
| 1536 | } | 1536 | } |
| 1537 | 1537 | ||
| @@ -1624,15 +1624,15 @@ static bool __maybe_unused rcu_try_advance_all_cbs(void) | |||
| 1624 | * The caller must have disabled interrupts. | 1624 | * The caller must have disabled interrupts. |
| 1625 | */ | 1625 | */ |
| 1626 | #ifndef CONFIG_RCU_NOCB_CPU_ALL | 1626 | #ifndef CONFIG_RCU_NOCB_CPU_ALL |
| 1627 | int rcu_needs_cpu(int cpu, unsigned long *dj) | 1627 | int rcu_needs_cpu(unsigned long *dj) |
| 1628 | { | 1628 | { |
| 1629 | struct rcu_dynticks *rdtp = &per_cpu(rcu_dynticks, cpu); | 1629 | struct rcu_dynticks *rdtp = this_cpu_ptr(&rcu_dynticks); |
| 1630 | 1630 | ||
| 1631 | /* Snapshot to detect later posting of non-lazy callback. */ | 1631 | /* Snapshot to detect later posting of non-lazy callback. */ |
| 1632 | rdtp->nonlazy_posted_snap = rdtp->nonlazy_posted; | 1632 | rdtp->nonlazy_posted_snap = rdtp->nonlazy_posted; |
| 1633 | 1633 | ||
| 1634 | /* If no callbacks, RCU doesn't need the CPU. */ | 1634 | /* If no callbacks, RCU doesn't need the CPU. */ |
| 1635 | if (!rcu_cpu_has_callbacks(cpu, &rdtp->all_lazy)) { | 1635 | if (!rcu_cpu_has_callbacks(&rdtp->all_lazy)) { |
| 1636 | *dj = ULONG_MAX; | 1636 | *dj = ULONG_MAX; |
| 1637 | return 0; | 1637 | return 0; |
| 1638 | } | 1638 | } |
| @@ -1666,12 +1666,12 @@ int rcu_needs_cpu(int cpu, unsigned long *dj) | |||
| 1666 | * | 1666 | * |
| 1667 | * The caller must have disabled interrupts. | 1667 | * The caller must have disabled interrupts. |
| 1668 | */ | 1668 | */ |
| 1669 | static void rcu_prepare_for_idle(int cpu) | 1669 | static void rcu_prepare_for_idle(void) |
| 1670 | { | 1670 | { |
| 1671 | #ifndef CONFIG_RCU_NOCB_CPU_ALL | 1671 | #ifndef CONFIG_RCU_NOCB_CPU_ALL |
| 1672 | bool needwake; | 1672 | bool needwake; |
| 1673 | struct rcu_data *rdp; | 1673 | struct rcu_data *rdp; |
| 1674 | struct rcu_dynticks *rdtp = &per_cpu(rcu_dynticks, cpu); | 1674 | struct rcu_dynticks *rdtp = this_cpu_ptr(&rcu_dynticks); |
| 1675 | struct rcu_node *rnp; | 1675 | struct rcu_node *rnp; |
| 1676 | struct rcu_state *rsp; | 1676 | struct rcu_state *rsp; |
| 1677 | int tne; | 1677 | int tne; |
| @@ -1679,7 +1679,7 @@ static void rcu_prepare_for_idle(int cpu) | |||
| 1679 | /* Handle nohz enablement switches conservatively. */ | 1679 | /* Handle nohz enablement switches conservatively. */ |
| 1680 | tne = ACCESS_ONCE(tick_nohz_active); | 1680 | tne = ACCESS_ONCE(tick_nohz_active); |
| 1681 | if (tne != rdtp->tick_nohz_enabled_snap) { | 1681 | if (tne != rdtp->tick_nohz_enabled_snap) { |
| 1682 | if (rcu_cpu_has_callbacks(cpu, NULL)) | 1682 | if (rcu_cpu_has_callbacks(NULL)) |
| 1683 | invoke_rcu_core(); /* force nohz to see update. */ | 1683 | invoke_rcu_core(); /* force nohz to see update. */ |
| 1684 | rdtp->tick_nohz_enabled_snap = tne; | 1684 | rdtp->tick_nohz_enabled_snap = tne; |
| 1685 | return; | 1685 | return; |
| @@ -1688,7 +1688,7 @@ static void rcu_prepare_for_idle(int cpu) | |||
| 1688 | return; | 1688 | return; |
| 1689 | 1689 | ||
| 1690 | /* If this is a no-CBs CPU, no callbacks, just return. */ | 1690 | /* If this is a no-CBs CPU, no callbacks, just return. */ |
| 1691 | if (rcu_is_nocb_cpu(cpu)) | 1691 | if (rcu_is_nocb_cpu(smp_processor_id())) |
| 1692 | return; | 1692 | return; |
| 1693 | 1693 | ||
| 1694 | /* | 1694 | /* |
| @@ -1712,7 +1712,7 @@ static void rcu_prepare_for_idle(int cpu) | |||
| 1712 | return; | 1712 | return; |
| 1713 | rdtp->last_accelerate = jiffies; | 1713 | rdtp->last_accelerate = jiffies; |
| 1714 | for_each_rcu_flavor(rsp) { | 1714 | for_each_rcu_flavor(rsp) { |
| 1715 | rdp = per_cpu_ptr(rsp->rda, cpu); | 1715 | rdp = this_cpu_ptr(rsp->rda); |
| 1716 | if (!*rdp->nxttail[RCU_DONE_TAIL]) | 1716 | if (!*rdp->nxttail[RCU_DONE_TAIL]) |
| 1717 | continue; | 1717 | continue; |
| 1718 | rnp = rdp->mynode; | 1718 | rnp = rdp->mynode; |
| @@ -1731,10 +1731,10 @@ static void rcu_prepare_for_idle(int cpu) | |||
| 1731 | * any grace periods that elapsed while the CPU was idle, and if any | 1731 | * any grace periods that elapsed while the CPU was idle, and if any |
| 1732 | * callbacks are now ready to invoke, initiate invocation. | 1732 | * callbacks are now ready to invoke, initiate invocation. |
| 1733 | */ | 1733 | */ |
| 1734 | static void rcu_cleanup_after_idle(int cpu) | 1734 | static void rcu_cleanup_after_idle(void) |
| 1735 | { | 1735 | { |
| 1736 | #ifndef CONFIG_RCU_NOCB_CPU_ALL | 1736 | #ifndef CONFIG_RCU_NOCB_CPU_ALL |
| 1737 | if (rcu_is_nocb_cpu(cpu)) | 1737 | if (rcu_is_nocb_cpu(smp_processor_id())) |
| 1738 | return; | 1738 | return; |
| 1739 | if (rcu_try_advance_all_cbs()) | 1739 | if (rcu_try_advance_all_cbs()) |
| 1740 | invoke_rcu_core(); | 1740 | invoke_rcu_core(); |
| @@ -2573,9 +2573,13 @@ static void rcu_spawn_one_nocb_kthread(struct rcu_state *rsp, int cpu) | |||
| 2573 | rdp->nocb_leader = rdp_spawn; | 2573 | rdp->nocb_leader = rdp_spawn; |
| 2574 | if (rdp_last && rdp != rdp_spawn) | 2574 | if (rdp_last && rdp != rdp_spawn) |
| 2575 | rdp_last->nocb_next_follower = rdp; | 2575 | rdp_last->nocb_next_follower = rdp; |
| 2576 | rdp_last = rdp; | 2576 | if (rdp == rdp_spawn) { |
| 2577 | rdp = rdp->nocb_next_follower; | 2577 | rdp = rdp->nocb_next_follower; |
| 2578 | rdp_last->nocb_next_follower = NULL; | 2578 | } else { |
| 2579 | rdp_last = rdp; | ||
| 2580 | rdp = rdp->nocb_next_follower; | ||
| 2581 | rdp_last->nocb_next_follower = NULL; | ||
| 2582 | } | ||
| 2579 | } while (rdp); | 2583 | } while (rdp); |
| 2580 | rdp_spawn->nocb_next_follower = rdp_old_leader; | 2584 | rdp_spawn->nocb_next_follower = rdp_old_leader; |
| 2581 | } | 2585 | } |
| @@ -2761,9 +2765,10 @@ static int full_sysidle_state; /* Current system-idle state. */ | |||
| 2761 | * to detect full-system idle states, not RCU quiescent states and grace | 2765 | * to detect full-system idle states, not RCU quiescent states and grace |
| 2762 | * periods. The caller must have disabled interrupts. | 2766 | * periods. The caller must have disabled interrupts. |
| 2763 | */ | 2767 | */ |
| 2764 | static void rcu_sysidle_enter(struct rcu_dynticks *rdtp, int irq) | 2768 | static void rcu_sysidle_enter(int irq) |
| 2765 | { | 2769 | { |
| 2766 | unsigned long j; | 2770 | unsigned long j; |
| 2771 | struct rcu_dynticks *rdtp = this_cpu_ptr(&rcu_dynticks); | ||
| 2767 | 2772 | ||
| 2768 | /* If there are no nohz_full= CPUs, no need to track this. */ | 2773 | /* If there are no nohz_full= CPUs, no need to track this. */ |
| 2769 | if (!tick_nohz_full_enabled()) | 2774 | if (!tick_nohz_full_enabled()) |
| @@ -2832,8 +2837,10 @@ void rcu_sysidle_force_exit(void) | |||
| 2832 | * usermode execution does -not- count as idle here! The caller must | 2837 | * usermode execution does -not- count as idle here! The caller must |
| 2833 | * have disabled interrupts. | 2838 | * have disabled interrupts. |
| 2834 | */ | 2839 | */ |
| 2835 | static void rcu_sysidle_exit(struct rcu_dynticks *rdtp, int irq) | 2840 | static void rcu_sysidle_exit(int irq) |
| 2836 | { | 2841 | { |
| 2842 | struct rcu_dynticks *rdtp = this_cpu_ptr(&rcu_dynticks); | ||
| 2843 | |||
| 2837 | /* If there are no nohz_full= CPUs, no need to track this. */ | 2844 | /* If there are no nohz_full= CPUs, no need to track this. */ |
| 2838 | if (!tick_nohz_full_enabled()) | 2845 | if (!tick_nohz_full_enabled()) |
| 2839 | return; | 2846 | return; |
| @@ -3127,11 +3134,11 @@ static void rcu_sysidle_init_percpu_data(struct rcu_dynticks *rdtp) | |||
| 3127 | 3134 | ||
| 3128 | #else /* #ifdef CONFIG_NO_HZ_FULL_SYSIDLE */ | 3135 | #else /* #ifdef CONFIG_NO_HZ_FULL_SYSIDLE */ |
| 3129 | 3136 | ||
| 3130 | static void rcu_sysidle_enter(struct rcu_dynticks *rdtp, int irq) | 3137 | static void rcu_sysidle_enter(int irq) |
| 3131 | { | 3138 | { |
| 3132 | } | 3139 | } |
| 3133 | 3140 | ||
| 3134 | static void rcu_sysidle_exit(struct rcu_dynticks *rdtp, int irq) | 3141 | static void rcu_sysidle_exit(int irq) |
| 3135 | { | 3142 | { |
| 3136 | } | 3143 | } |
| 3137 | 3144 | ||
diff --git a/kernel/rcu/update.c b/kernel/rcu/update.c index 3ef8ba58694e..e0d31a345ee6 100644 --- a/kernel/rcu/update.c +++ b/kernel/rcu/update.c | |||
| @@ -306,7 +306,7 @@ struct debug_obj_descr rcuhead_debug_descr = { | |||
| 306 | EXPORT_SYMBOL_GPL(rcuhead_debug_descr); | 306 | EXPORT_SYMBOL_GPL(rcuhead_debug_descr); |
| 307 | #endif /* #ifdef CONFIG_DEBUG_OBJECTS_RCU_HEAD */ | 307 | #endif /* #ifdef CONFIG_DEBUG_OBJECTS_RCU_HEAD */ |
| 308 | 308 | ||
| 309 | #if defined(CONFIG_TREE_RCU) || defined(CONFIG_TREE_PREEMPT_RCU) || defined(CONFIG_RCU_TRACE) | 309 | #if defined(CONFIG_TREE_RCU) || defined(CONFIG_PREEMPT_RCU) || defined(CONFIG_RCU_TRACE) |
| 310 | void do_trace_rcu_torture_read(const char *rcutorturename, struct rcu_head *rhp, | 310 | void do_trace_rcu_torture_read(const char *rcutorturename, struct rcu_head *rhp, |
| 311 | unsigned long secs, | 311 | unsigned long secs, |
| 312 | unsigned long c_old, unsigned long c) | 312 | unsigned long c_old, unsigned long c) |
| @@ -531,7 +531,8 @@ static int __noreturn rcu_tasks_kthread(void *arg) | |||
| 531 | struct rcu_head *next; | 531 | struct rcu_head *next; |
| 532 | LIST_HEAD(rcu_tasks_holdouts); | 532 | LIST_HEAD(rcu_tasks_holdouts); |
| 533 | 533 | ||
| 534 | /* FIXME: Add housekeeping affinity. */ | 534 | /* Run on housekeeping CPUs by default. Sysadm can move if desired. */ |
| 535 | housekeeping_affine(current); | ||
| 535 | 536 | ||
| 536 | /* | 537 | /* |
| 537 | * Each pass through the following loop makes one check for | 538 | * Each pass through the following loop makes one check for |
| @@ -690,3 +691,87 @@ static void rcu_spawn_tasks_kthread(void) | |||
| 690 | } | 691 | } |
| 691 | 692 | ||
| 692 | #endif /* #ifdef CONFIG_TASKS_RCU */ | 693 | #endif /* #ifdef CONFIG_TASKS_RCU */ |
| 694 | |||
| 695 | #ifdef CONFIG_PROVE_RCU | ||
| 696 | |||
| 697 | /* | ||
| 698 | * Early boot self test parameters, one for each flavor | ||
| 699 | */ | ||
| 700 | static bool rcu_self_test; | ||
| 701 | static bool rcu_self_test_bh; | ||
| 702 | static bool rcu_self_test_sched; | ||
| 703 | |||
| 704 | module_param(rcu_self_test, bool, 0444); | ||
| 705 | module_param(rcu_self_test_bh, bool, 0444); | ||
| 706 | module_param(rcu_self_test_sched, bool, 0444); | ||
| 707 | |||
| 708 | static int rcu_self_test_counter; | ||
| 709 | |||
| 710 | static void test_callback(struct rcu_head *r) | ||
| 711 | { | ||
| 712 | rcu_self_test_counter++; | ||
| 713 | pr_info("RCU test callback executed %d\n", rcu_self_test_counter); | ||
| 714 | } | ||
| 715 | |||
| 716 | static void early_boot_test_call_rcu(void) | ||
| 717 | { | ||
| 718 | static struct rcu_head head; | ||
| 719 | |||
| 720 | call_rcu(&head, test_callback); | ||
| 721 | } | ||
| 722 | |||
| 723 | static void early_boot_test_call_rcu_bh(void) | ||
| 724 | { | ||
| 725 | static struct rcu_head head; | ||
| 726 | |||
| 727 | call_rcu_bh(&head, test_callback); | ||
| 728 | } | ||
| 729 | |||
| 730 | static void early_boot_test_call_rcu_sched(void) | ||
| 731 | { | ||
| 732 | static struct rcu_head head; | ||
| 733 | |||
| 734 | call_rcu_sched(&head, test_callback); | ||
| 735 | } | ||
| 736 | |||
| 737 | void rcu_early_boot_tests(void) | ||
| 738 | { | ||
| 739 | pr_info("Running RCU self tests\n"); | ||
| 740 | |||
| 741 | if (rcu_self_test) | ||
| 742 | early_boot_test_call_rcu(); | ||
| 743 | if (rcu_self_test_bh) | ||
| 744 | early_boot_test_call_rcu_bh(); | ||
| 745 | if (rcu_self_test_sched) | ||
| 746 | early_boot_test_call_rcu_sched(); | ||
| 747 | } | ||
| 748 | |||
| 749 | static int rcu_verify_early_boot_tests(void) | ||
| 750 | { | ||
| 751 | int ret = 0; | ||
| 752 | int early_boot_test_counter = 0; | ||
| 753 | |||
| 754 | if (rcu_self_test) { | ||
| 755 | early_boot_test_counter++; | ||
| 756 | rcu_barrier(); | ||
| 757 | } | ||
| 758 | if (rcu_self_test_bh) { | ||
| 759 | early_boot_test_counter++; | ||
| 760 | rcu_barrier_bh(); | ||
| 761 | } | ||
| 762 | if (rcu_self_test_sched) { | ||
| 763 | early_boot_test_counter++; | ||
| 764 | rcu_barrier_sched(); | ||
| 765 | } | ||
| 766 | |||
| 767 | if (rcu_self_test_counter != early_boot_test_counter) { | ||
| 768 | WARN_ON(1); | ||
| 769 | ret = -1; | ||
| 770 | } | ||
| 771 | |||
| 772 | return ret; | ||
| 773 | } | ||
| 774 | late_initcall(rcu_verify_early_boot_tests); | ||
| 775 | #else | ||
| 776 | void rcu_early_boot_tests(void) {} | ||
| 777 | #endif /* CONFIG_PROVE_RCU */ | ||
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 89e7283015a6..e67a6e88e125 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c | |||
| @@ -2773,7 +2773,7 @@ need_resched: | |||
| 2773 | preempt_disable(); | 2773 | preempt_disable(); |
| 2774 | cpu = smp_processor_id(); | 2774 | cpu = smp_processor_id(); |
| 2775 | rq = cpu_rq(cpu); | 2775 | rq = cpu_rq(cpu); |
| 2776 | rcu_note_context_switch(cpu); | 2776 | rcu_note_context_switch(); |
| 2777 | prev = rq->curr; | 2777 | prev = rq->curr; |
| 2778 | 2778 | ||
| 2779 | schedule_debug(prev); | 2779 | schedule_debug(prev); |
diff --git a/kernel/signal.c b/kernel/signal.c index 8f0876f9f6dd..19e35135fc60 100644 --- a/kernel/signal.c +++ b/kernel/signal.c | |||
| @@ -1275,7 +1275,17 @@ struct sighand_struct *__lock_task_sighand(struct task_struct *tsk, | |||
| 1275 | local_irq_restore(*flags); | 1275 | local_irq_restore(*flags); |
| 1276 | break; | 1276 | break; |
| 1277 | } | 1277 | } |
| 1278 | 1278 | /* | |
| 1279 | * This sighand can be already freed and even reused, but | ||
| 1280 | * we rely on SLAB_DESTROY_BY_RCU and sighand_ctor() which | ||
| 1281 | * initializes ->siglock: this slab can't go away, it has | ||
| 1282 | * the same object type, ->siglock can't be reinitialized. | ||
| 1283 | * | ||
| 1284 | * We need to ensure that tsk->sighand is still the same | ||
| 1285 | * after we take the lock, we can race with de_thread() or | ||
| 1286 | * __exit_signal(). In the latter case the next iteration | ||
| 1287 | * must see ->sighand == NULL. | ||
| 1288 | */ | ||
| 1279 | spin_lock(&sighand->siglock); | 1289 | spin_lock(&sighand->siglock); |
| 1280 | if (likely(sighand == tsk->sighand)) { | 1290 | if (likely(sighand == tsk->sighand)) { |
| 1281 | rcu_read_unlock(); | 1291 | rcu_read_unlock(); |
| @@ -1331,23 +1341,21 @@ int kill_pid_info(int sig, struct siginfo *info, struct pid *pid) | |||
| 1331 | int error = -ESRCH; | 1341 | int error = -ESRCH; |
| 1332 | struct task_struct *p; | 1342 | struct task_struct *p; |
| 1333 | 1343 | ||
| 1334 | rcu_read_lock(); | 1344 | for (;;) { |
| 1335 | retry: | 1345 | rcu_read_lock(); |
| 1336 | p = pid_task(pid, PIDTYPE_PID); | 1346 | p = pid_task(pid, PIDTYPE_PID); |
| 1337 | if (p) { | 1347 | if (p) |
| 1338 | error = group_send_sig_info(sig, info, p); | 1348 | error = group_send_sig_info(sig, info, p); |
| 1339 | if (unlikely(error == -ESRCH)) | 1349 | rcu_read_unlock(); |
| 1340 | /* | 1350 | if (likely(!p || error != -ESRCH)) |
| 1341 | * The task was unhashed in between, try again. | 1351 | return error; |
| 1342 | * If it is dead, pid_task() will return NULL, | ||
| 1343 | * if we race with de_thread() it will find the | ||
| 1344 | * new leader. | ||
| 1345 | */ | ||
| 1346 | goto retry; | ||
| 1347 | } | ||
| 1348 | rcu_read_unlock(); | ||
| 1349 | 1352 | ||
| 1350 | return error; | 1353 | /* |
| 1354 | * The task was unhashed in between, try again. If it | ||
| 1355 | * is dead, pid_task() will return NULL, if we race with | ||
| 1356 | * de_thread() it will find the new leader. | ||
| 1357 | */ | ||
| 1358 | } | ||
| 1351 | } | 1359 | } |
| 1352 | 1360 | ||
| 1353 | int kill_proc_info(int sig, struct siginfo *info, pid_t pid) | 1361 | int kill_proc_info(int sig, struct siginfo *info, pid_t pid) |
diff --git a/kernel/softirq.c b/kernel/softirq.c index 0699add19164..501baa9ac1be 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c | |||
| @@ -656,7 +656,7 @@ static void run_ksoftirqd(unsigned int cpu) | |||
| 656 | * in the task stack here. | 656 | * in the task stack here. |
| 657 | */ | 657 | */ |
| 658 | __do_softirq(); | 658 | __do_softirq(); |
| 659 | rcu_note_context_switch(cpu); | 659 | rcu_note_context_switch(); |
| 660 | local_irq_enable(); | 660 | local_irq_enable(); |
| 661 | cond_resched(); | 661 | cond_resched(); |
| 662 | return; | 662 | return; |
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 7b5741fc4110..1f4356037a7d 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c | |||
| @@ -585,7 +585,7 @@ static ktime_t tick_nohz_stop_sched_tick(struct tick_sched *ts, | |||
| 585 | last_jiffies = jiffies; | 585 | last_jiffies = jiffies; |
| 586 | } while (read_seqretry(&jiffies_lock, seq)); | 586 | } while (read_seqretry(&jiffies_lock, seq)); |
| 587 | 587 | ||
| 588 | if (rcu_needs_cpu(cpu, &rcu_delta_jiffies) || | 588 | if (rcu_needs_cpu(&rcu_delta_jiffies) || |
| 589 | arch_needs_cpu() || irq_work_needs_cpu()) { | 589 | arch_needs_cpu() || irq_work_needs_cpu()) { |
| 590 | next_jiffies = last_jiffies + 1; | 590 | next_jiffies = last_jiffies + 1; |
| 591 | delta_jiffies = 1; | 591 | delta_jiffies = 1; |
diff --git a/kernel/time/timer.c b/kernel/time/timer.c index 3260ffdb368f..2d3f5c504939 100644 --- a/kernel/time/timer.c +++ b/kernel/time/timer.c | |||
| @@ -1377,12 +1377,11 @@ unsigned long get_next_timer_interrupt(unsigned long now) | |||
| 1377 | void update_process_times(int user_tick) | 1377 | void update_process_times(int user_tick) |
| 1378 | { | 1378 | { |
| 1379 | struct task_struct *p = current; | 1379 | struct task_struct *p = current; |
| 1380 | int cpu = smp_processor_id(); | ||
| 1381 | 1380 | ||
| 1382 | /* Note: this timer irq context must be accounted for as well. */ | 1381 | /* Note: this timer irq context must be accounted for as well. */ |
| 1383 | account_process_tick(p, user_tick); | 1382 | account_process_tick(p, user_tick); |
| 1384 | run_local_timers(); | 1383 | run_local_timers(); |
| 1385 | rcu_check_callbacks(cpu, user_tick); | 1384 | rcu_check_callbacks(user_tick); |
| 1386 | #ifdef CONFIG_IRQ_WORK | 1385 | #ifdef CONFIG_IRQ_WORK |
| 1387 | if (in_irq()) | 1386 | if (in_irq()) |
| 1388 | irq_work_tick(); | 1387 | irq_work_tick(); |
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 4e35a5d767ed..d780351835e9 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug | |||
| @@ -1238,21 +1238,9 @@ config RCU_CPU_STALL_TIMEOUT | |||
| 1238 | RCU grace period persists, additional CPU stall warnings are | 1238 | RCU grace period persists, additional CPU stall warnings are |
| 1239 | printed at more widely spaced intervals. | 1239 | printed at more widely spaced intervals. |
| 1240 | 1240 | ||
| 1241 | config RCU_CPU_STALL_VERBOSE | ||
| 1242 | bool "Print additional per-task information for RCU_CPU_STALL_DETECTOR" | ||
| 1243 | depends on TREE_PREEMPT_RCU | ||
| 1244 | default y | ||
| 1245 | help | ||
| 1246 | This option causes RCU to printk detailed per-task information | ||
| 1247 | for any tasks that are stalling the current RCU grace period. | ||
| 1248 | |||
| 1249 | Say N if you are unsure. | ||
| 1250 | |||
| 1251 | Say Y if you want to enable such checks. | ||
| 1252 | |||
| 1253 | config RCU_CPU_STALL_INFO | 1241 | config RCU_CPU_STALL_INFO |
| 1254 | bool "Print additional diagnostics on RCU CPU stall" | 1242 | bool "Print additional diagnostics on RCU CPU stall" |
| 1255 | depends on (TREE_RCU || TREE_PREEMPT_RCU) && DEBUG_KERNEL | 1243 | depends on (TREE_RCU || PREEMPT_RCU) && DEBUG_KERNEL |
| 1256 | default n | 1244 | default n |
| 1257 | help | 1245 | help |
| 1258 | For each stalled CPU that is aware of the current RCU grace | 1246 | For each stalled CPU that is aware of the current RCU grace |
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh index f6b2b4771b78..8ca9f21f2efc 100755 --- a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh +++ b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh | |||
| @@ -45,7 +45,7 @@ trap 'rm -rf $T' 0 | |||
| 45 | touch $T | 45 | touch $T |
| 46 | 46 | ||
| 47 | . $KVM/bin/functions.sh | 47 | . $KVM/bin/functions.sh |
| 48 | . $KVPATH/ver_functions.sh | 48 | . $CONFIGFRAG/ver_functions.sh |
| 49 | 49 | ||
| 50 | config_template=${1} | 50 | config_template=${1} |
| 51 | config_dir=`echo $config_template | sed -e 's,/[^/]*$,,'` | 51 | config_dir=`echo $config_template | sed -e 's,/[^/]*$,,'` |
| @@ -168,8 +168,8 @@ then | |||
| 168 | touch $resdir/buildonly | 168 | touch $resdir/buildonly |
| 169 | exit 0 | 169 | exit 0 |
| 170 | fi | 170 | fi |
| 171 | echo $QEMU $qemu_args -m 512 -kernel $builddir/$BOOT_IMAGE -append \"$qemu_append $boot_args\" > $resdir/qemu-cmd | 171 | echo $QEMU $qemu_args -m 512 -kernel $resdir/bzImage -append \"$qemu_append $boot_args\" > $resdir/qemu-cmd |
| 172 | ( $QEMU $qemu_args -m 512 -kernel $builddir/$BOOT_IMAGE -append "$qemu_append $boot_args"; echo $? > $resdir/qemu-retval ) & | 172 | ( $QEMU $qemu_args -m 512 -kernel $resdir/bzImage -append "$qemu_append $boot_args"; echo $? > $resdir/qemu-retval ) & |
| 173 | qemu_pid=$! | 173 | qemu_pid=$! |
| 174 | commandcompleted=0 | 174 | commandcompleted=0 |
| 175 | echo Monitoring qemu job at pid $qemu_pid | 175 | echo Monitoring qemu job at pid $qemu_pid |
diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh index e527dc952eb0..368d64ac779e 100755 --- a/tools/testing/selftests/rcutorture/bin/kvm.sh +++ b/tools/testing/selftests/rcutorture/bin/kvm.sh | |||
| @@ -47,7 +47,6 @@ resdir="" | |||
| 47 | configs="" | 47 | configs="" |
| 48 | cpus=0 | 48 | cpus=0 |
| 49 | ds=`date +%Y.%m.%d-%H:%M:%S` | 49 | ds=`date +%Y.%m.%d-%H:%M:%S` |
| 50 | kversion="" | ||
| 51 | 50 | ||
| 52 | . functions.sh | 51 | . functions.sh |
| 53 | 52 | ||
| @@ -64,7 +63,6 @@ usage () { | |||
| 64 | echo " --duration minutes" | 63 | echo " --duration minutes" |
| 65 | echo " --interactive" | 64 | echo " --interactive" |
| 66 | echo " --kmake-arg kernel-make-arguments" | 65 | echo " --kmake-arg kernel-make-arguments" |
| 67 | echo " --kversion vN.NN" | ||
| 68 | echo " --mac nn:nn:nn:nn:nn:nn" | 66 | echo " --mac nn:nn:nn:nn:nn:nn" |
| 69 | echo " --no-initrd" | 67 | echo " --no-initrd" |
| 70 | echo " --qemu-args qemu-system-..." | 68 | echo " --qemu-args qemu-system-..." |
| @@ -128,11 +126,6 @@ do | |||
| 128 | TORTURE_KMAKE_ARG="$2" | 126 | TORTURE_KMAKE_ARG="$2" |
| 129 | shift | 127 | shift |
| 130 | ;; | 128 | ;; |
| 131 | --kversion) | ||
| 132 | checkarg --kversion "(kernel version)" $# "$2" '^v[0-9.]*$' '^error' | ||
| 133 | kversion=$2 | ||
| 134 | shift | ||
| 135 | ;; | ||
| 136 | --mac) | 129 | --mac) |
| 137 | checkarg --mac "(MAC address)" $# "$2" '^\([0-9a-fA-F]\{2\}:\)\{5\}[0-9a-fA-F]\{2\}$' error | 130 | checkarg --mac "(MAC address)" $# "$2" '^\([0-9a-fA-F]\{2\}:\)\{5\}[0-9a-fA-F]\{2\}$' error |
| 138 | TORTURE_QEMU_MAC=$2 | 131 | TORTURE_QEMU_MAC=$2 |
| @@ -170,11 +163,10 @@ do | |||
| 170 | done | 163 | done |
| 171 | 164 | ||
| 172 | CONFIGFRAG=${KVM}/configs/${TORTURE_SUITE}; export CONFIGFRAG | 165 | CONFIGFRAG=${KVM}/configs/${TORTURE_SUITE}; export CONFIGFRAG |
| 173 | KVPATH=${CONFIGFRAG}/$kversion; export KVPATH | ||
| 174 | 166 | ||
| 175 | if test -z "$configs" | 167 | if test -z "$configs" |
| 176 | then | 168 | then |
| 177 | configs="`cat $CONFIGFRAG/$kversion/CFLIST`" | 169 | configs="`cat $CONFIGFRAG/CFLIST`" |
| 178 | fi | 170 | fi |
| 179 | 171 | ||
| 180 | if test -z "$resdir" | 172 | if test -z "$resdir" |
| @@ -186,10 +178,10 @@ fi | |||
| 186 | touch $T/cfgcpu | 178 | touch $T/cfgcpu |
| 187 | for CF in $configs | 179 | for CF in $configs |
| 188 | do | 180 | do |
| 189 | if test -f "$CONFIGFRAG/$kversion/$CF" | 181 | if test -f "$CONFIGFRAG/$CF" |
| 190 | then | 182 | then |
| 191 | cpu_count=`configNR_CPUS.sh $CONFIGFRAG/$kversion/$CF` | 183 | cpu_count=`configNR_CPUS.sh $CONFIGFRAG/$CF` |
| 192 | cpu_count=`configfrag_boot_cpus "$TORTURE_BOOTARGS" "$CONFIGFRAG/$kversion/$CF" "$cpu_count"` | 184 | cpu_count=`configfrag_boot_cpus "$TORTURE_BOOTARGS" "$CONFIGFRAG/$CF" "$cpu_count"` |
| 193 | echo $CF $cpu_count >> $T/cfgcpu | 185 | echo $CF $cpu_count >> $T/cfgcpu |
| 194 | else | 186 | else |
| 195 | echo "The --configs file $CF does not exist, terminating." | 187 | echo "The --configs file $CF does not exist, terminating." |
| @@ -252,7 +244,6 @@ END { | |||
| 252 | cat << ___EOF___ > $T/script | 244 | cat << ___EOF___ > $T/script |
| 253 | CONFIGFRAG="$CONFIGFRAG"; export CONFIGFRAG | 245 | CONFIGFRAG="$CONFIGFRAG"; export CONFIGFRAG |
| 254 | KVM="$KVM"; export KVM | 246 | KVM="$KVM"; export KVM |
| 255 | KVPATH="$KVPATH"; export KVPATH | ||
| 256 | PATH="$PATH"; export PATH | 247 | PATH="$PATH"; export PATH |
| 257 | TORTURE_BOOT_IMAGE="$TORTURE_BOOT_IMAGE"; export TORTURE_BOOT_IMAGE | 248 | TORTURE_BOOT_IMAGE="$TORTURE_BOOT_IMAGE"; export TORTURE_BOOT_IMAGE |
| 258 | TORTURE_BUILDONLY="$TORTURE_BUILDONLY"; export TORTURE_BUILDONLY | 249 | TORTURE_BUILDONLY="$TORTURE_BUILDONLY"; export TORTURE_BUILDONLY |
| @@ -285,7 +276,7 @@ then | |||
| 285 | fi | 276 | fi |
| 286 | ___EOF___ | 277 | ___EOF___ |
| 287 | awk < $T/cfgcpu.pack \ | 278 | awk < $T/cfgcpu.pack \ |
| 288 | -v CONFIGDIR="$CONFIGFRAG/$kversion/" \ | 279 | -v CONFIGDIR="$CONFIGFRAG/" \ |
| 289 | -v KVM="$KVM" \ | 280 | -v KVM="$KVM" \ |
| 290 | -v ncpus=$cpus \ | 281 | -v ncpus=$cpus \ |
| 291 | -v rd=$resdir/$ds/ \ | 282 | -v rd=$resdir/$ds/ \ |
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TINY02 b/tools/testing/selftests/rcutorture/configs/rcu/TINY02 index f4feaee40776..36e41df3d27a 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/TINY02 +++ b/tools/testing/selftests/rcutorture/configs/rcu/TINY02 | |||
| @@ -7,6 +7,8 @@ CONFIG_HZ_PERIODIC=y | |||
| 7 | CONFIG_NO_HZ_IDLE=n | 7 | CONFIG_NO_HZ_IDLE=n |
| 8 | CONFIG_NO_HZ_FULL=n | 8 | CONFIG_NO_HZ_FULL=n |
| 9 | CONFIG_RCU_TRACE=y | 9 | CONFIG_RCU_TRACE=y |
| 10 | CONFIG_PROVE_LOCKING=y | ||
| 11 | CONFIG_PROVE_RCU=y | ||
| 10 | CONFIG_DEBUG_LOCK_ALLOC=y | 12 | CONFIG_DEBUG_LOCK_ALLOC=y |
| 11 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=n | 13 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=n |
| 12 | CONFIG_PREEMPT_COUNT=y | 14 | CONFIG_PREEMPT_COUNT=y |
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TINY02.boot b/tools/testing/selftests/rcutorture/configs/rcu/TINY02.boot new file mode 100644 index 000000000000..0f0802730014 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/TINY02.boot | |||
| @@ -0,0 +1,2 @@ | |||
| 1 | rcupdate.rcu_self_test=1 | ||
| 2 | rcupdate.rcu_self_test_bh=1 | ||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE01 b/tools/testing/selftests/rcutorture/configs/rcu/TREE01 index 38e3895759dd..f8a10a7500c6 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/TREE01 +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE01 | |||
| @@ -2,7 +2,7 @@ CONFIG_SMP=y | |||
| 2 | CONFIG_PREEMPT_NONE=n | 2 | CONFIG_PREEMPT_NONE=n |
| 3 | CONFIG_PREEMPT_VOLUNTARY=n | 3 | CONFIG_PREEMPT_VOLUNTARY=n |
| 4 | CONFIG_PREEMPT=y | 4 | CONFIG_PREEMPT=y |
| 5 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | 5 | #CHECK#CONFIG_PREEMPT_RCU=y |
| 6 | CONFIG_HZ_PERIODIC=n | 6 | CONFIG_HZ_PERIODIC=n |
| 7 | CONFIG_NO_HZ_IDLE=y | 7 | CONFIG_NO_HZ_IDLE=y |
| 8 | CONFIG_NO_HZ_FULL=n | 8 | CONFIG_NO_HZ_FULL=n |
| @@ -14,6 +14,5 @@ CONFIG_RCU_NOCB_CPU=y | |||
| 14 | CONFIG_RCU_NOCB_CPU_ZERO=y | 14 | CONFIG_RCU_NOCB_CPU_ZERO=y |
| 15 | CONFIG_DEBUG_LOCK_ALLOC=n | 15 | CONFIG_DEBUG_LOCK_ALLOC=n |
| 16 | CONFIG_RCU_CPU_STALL_INFO=n | 16 | CONFIG_RCU_CPU_STALL_INFO=n |
| 17 | CONFIG_RCU_CPU_STALL_VERBOSE=n | ||
| 18 | CONFIG_RCU_BOOST=n | 17 | CONFIG_RCU_BOOST=n |
| 19 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=n | 18 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=n |
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE02 b/tools/testing/selftests/rcutorture/configs/rcu/TREE02 index ea119ba2f7d4..629122fb8b4a 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/TREE02 +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE02 | |||
| @@ -3,7 +3,7 @@ CONFIG_NR_CPUS=8 | |||
| 3 | CONFIG_PREEMPT_NONE=n | 3 | CONFIG_PREEMPT_NONE=n |
| 4 | CONFIG_PREEMPT_VOLUNTARY=n | 4 | CONFIG_PREEMPT_VOLUNTARY=n |
| 5 | CONFIG_PREEMPT=y | 5 | CONFIG_PREEMPT=y |
| 6 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | 6 | #CHECK#CONFIG_PREEMPT_RCU=y |
| 7 | CONFIG_HZ_PERIODIC=n | 7 | CONFIG_HZ_PERIODIC=n |
| 8 | CONFIG_NO_HZ_IDLE=y | 8 | CONFIG_NO_HZ_IDLE=y |
| 9 | CONFIG_NO_HZ_FULL=n | 9 | CONFIG_NO_HZ_FULL=n |
| @@ -19,6 +19,5 @@ CONFIG_RCU_NOCB_CPU=n | |||
| 19 | CONFIG_DEBUG_LOCK_ALLOC=y | 19 | CONFIG_DEBUG_LOCK_ALLOC=y |
| 20 | CONFIG_PROVE_LOCKING=n | 20 | CONFIG_PROVE_LOCKING=n |
| 21 | CONFIG_RCU_CPU_STALL_INFO=n | 21 | CONFIG_RCU_CPU_STALL_INFO=n |
| 22 | CONFIG_RCU_CPU_STALL_VERBOSE=y | ||
| 23 | CONFIG_RCU_BOOST=n | 22 | CONFIG_RCU_BOOST=n |
| 24 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=n | 23 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=n |
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE02-T b/tools/testing/selftests/rcutorture/configs/rcu/TREE02-T index 19cf9485f48a..a25de47888a4 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/TREE02-T +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE02-T | |||
| @@ -3,7 +3,7 @@ CONFIG_NR_CPUS=8 | |||
| 3 | CONFIG_PREEMPT_NONE=n | 3 | CONFIG_PREEMPT_NONE=n |
| 4 | CONFIG_PREEMPT_VOLUNTARY=n | 4 | CONFIG_PREEMPT_VOLUNTARY=n |
| 5 | CONFIG_PREEMPT=y | 5 | CONFIG_PREEMPT=y |
| 6 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | 6 | #CHECK#CONFIG_PREEMPT_RCU=y |
| 7 | CONFIG_HZ_PERIODIC=n | 7 | CONFIG_HZ_PERIODIC=n |
| 8 | CONFIG_NO_HZ_IDLE=y | 8 | CONFIG_NO_HZ_IDLE=y |
| 9 | CONFIG_NO_HZ_FULL=n | 9 | CONFIG_NO_HZ_FULL=n |
| @@ -19,6 +19,5 @@ CONFIG_RCU_NOCB_CPU=n | |||
| 19 | CONFIG_DEBUG_LOCK_ALLOC=y | 19 | CONFIG_DEBUG_LOCK_ALLOC=y |
| 20 | CONFIG_PROVE_LOCKING=n | 20 | CONFIG_PROVE_LOCKING=n |
| 21 | CONFIG_RCU_CPU_STALL_INFO=n | 21 | CONFIG_RCU_CPU_STALL_INFO=n |
| 22 | CONFIG_RCU_CPU_STALL_VERBOSE=y | ||
| 23 | CONFIG_RCU_BOOST=n | 22 | CONFIG_RCU_BOOST=n |
| 24 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=n | 23 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=n |
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE03 b/tools/testing/selftests/rcutorture/configs/rcu/TREE03 index f4567fb3e332..53f24e0a0ab6 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/TREE03 +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE03 | |||
| @@ -3,7 +3,7 @@ CONFIG_NR_CPUS=8 | |||
| 3 | CONFIG_PREEMPT_NONE=n | 3 | CONFIG_PREEMPT_NONE=n |
| 4 | CONFIG_PREEMPT_VOLUNTARY=n | 4 | CONFIG_PREEMPT_VOLUNTARY=n |
| 5 | CONFIG_PREEMPT=y | 5 | CONFIG_PREEMPT=y |
| 6 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | 6 | #CHECK#CONFIG_PREEMPT_RCU=y |
| 7 | CONFIG_HZ_PERIODIC=y | 7 | CONFIG_HZ_PERIODIC=y |
| 8 | CONFIG_NO_HZ_IDLE=n | 8 | CONFIG_NO_HZ_IDLE=n |
| 9 | CONFIG_NO_HZ_FULL=n | 9 | CONFIG_NO_HZ_FULL=n |
| @@ -15,7 +15,6 @@ CONFIG_RCU_FANOUT_EXACT=n | |||
| 15 | CONFIG_RCU_NOCB_CPU=n | 15 | CONFIG_RCU_NOCB_CPU=n |
| 16 | CONFIG_DEBUG_LOCK_ALLOC=n | 16 | CONFIG_DEBUG_LOCK_ALLOC=n |
| 17 | CONFIG_RCU_CPU_STALL_INFO=n | 17 | CONFIG_RCU_CPU_STALL_INFO=n |
| 18 | CONFIG_RCU_CPU_STALL_VERBOSE=n | ||
| 19 | CONFIG_RCU_BOOST=y | 18 | CONFIG_RCU_BOOST=y |
| 20 | CONFIG_RCU_BOOST_PRIO=2 | 19 | CONFIG_RCU_KTHREAD_PRIO=2 |
| 21 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=n | 20 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=n |
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE04 b/tools/testing/selftests/rcutorture/configs/rcu/TREE04 index 0a262fbb0c12..0f84db35b36d 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/TREE04 +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE04 | |||
| @@ -19,5 +19,4 @@ CONFIG_RCU_FANOUT_EXACT=n | |||
| 19 | CONFIG_RCU_NOCB_CPU=n | 19 | CONFIG_RCU_NOCB_CPU=n |
| 20 | CONFIG_DEBUG_LOCK_ALLOC=n | 20 | CONFIG_DEBUG_LOCK_ALLOC=n |
| 21 | CONFIG_RCU_CPU_STALL_INFO=y | 21 | CONFIG_RCU_CPU_STALL_INFO=y |
| 22 | CONFIG_RCU_CPU_STALL_VERBOSE=y | ||
| 23 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=n | 22 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=n |
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE05 b/tools/testing/selftests/rcutorture/configs/rcu/TREE05 index 3a06b97e9a73..212e3bfd2b2a 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/TREE05 +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE05 | |||
| @@ -19,5 +19,4 @@ CONFIG_DEBUG_LOCK_ALLOC=y | |||
| 19 | CONFIG_PROVE_LOCKING=y | 19 | CONFIG_PROVE_LOCKING=y |
| 20 | CONFIG_PROVE_RCU=y | 20 | CONFIG_PROVE_RCU=y |
| 21 | CONFIG_RCU_CPU_STALL_INFO=n | 21 | CONFIG_RCU_CPU_STALL_INFO=n |
| 22 | CONFIG_RCU_CPU_STALL_VERBOSE=n | ||
| 23 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=n | 22 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=n |
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE05.boot b/tools/testing/selftests/rcutorture/configs/rcu/TREE05.boot index 3b42b8b033cd..15b3e1a86f74 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/TREE05.boot +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE05.boot | |||
| @@ -1 +1,2 @@ | |||
| 1 | rcutorture.torture_type=sched | 1 | rcutorture.torture_type=sched |
| 2 | rcupdate.rcu_self_test_sched=1 | ||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE06 b/tools/testing/selftests/rcutorture/configs/rcu/TREE06 index 8f084cca91bf..7eee63b44218 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/TREE06 +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE06 | |||
| @@ -20,5 +20,4 @@ CONFIG_DEBUG_LOCK_ALLOC=y | |||
| 20 | CONFIG_PROVE_LOCKING=y | 20 | CONFIG_PROVE_LOCKING=y |
| 21 | CONFIG_PROVE_RCU=y | 21 | CONFIG_PROVE_RCU=y |
| 22 | CONFIG_RCU_CPU_STALL_INFO=n | 22 | CONFIG_RCU_CPU_STALL_INFO=n |
| 23 | CONFIG_RCU_CPU_STALL_VERBOSE=n | ||
| 24 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=y | 23 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=y |
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE06.boot b/tools/testing/selftests/rcutorture/configs/rcu/TREE06.boot new file mode 100644 index 000000000000..da9a03a398db --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE06.boot | |||
| @@ -0,0 +1,3 @@ | |||
| 1 | rcupdate.rcu_self_test=1 | ||
| 2 | rcupdate.rcu_self_test_bh=1 | ||
| 3 | rcupdate.rcu_self_test_sched=1 | ||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE07 b/tools/testing/selftests/rcutorture/configs/rcu/TREE07 index 8f1017666aa7..92a97fa97dec 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/TREE07 +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE07 | |||
| @@ -19,5 +19,4 @@ CONFIG_RCU_FANOUT_EXACT=n | |||
| 19 | CONFIG_RCU_NOCB_CPU=n | 19 | CONFIG_RCU_NOCB_CPU=n |
| 20 | CONFIG_DEBUG_LOCK_ALLOC=n | 20 | CONFIG_DEBUG_LOCK_ALLOC=n |
| 21 | CONFIG_RCU_CPU_STALL_INFO=y | 21 | CONFIG_RCU_CPU_STALL_INFO=y |
| 22 | CONFIG_RCU_CPU_STALL_VERBOSE=n | ||
| 23 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=n | 22 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=n |
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE08 b/tools/testing/selftests/rcutorture/configs/rcu/TREE08 index 69a2e255bf98..5812027d6f9f 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/TREE08 +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE08 | |||
| @@ -3,7 +3,7 @@ CONFIG_NR_CPUS=16 | |||
| 3 | CONFIG_PREEMPT_NONE=n | 3 | CONFIG_PREEMPT_NONE=n |
| 4 | CONFIG_PREEMPT_VOLUNTARY=n | 4 | CONFIG_PREEMPT_VOLUNTARY=n |
| 5 | CONFIG_PREEMPT=y | 5 | CONFIG_PREEMPT=y |
| 6 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | 6 | #CHECK#CONFIG_PREEMPT_RCU=y |
| 7 | CONFIG_HZ_PERIODIC=n | 7 | CONFIG_HZ_PERIODIC=n |
| 8 | CONFIG_NO_HZ_IDLE=y | 8 | CONFIG_NO_HZ_IDLE=y |
| 9 | CONFIG_NO_HZ_FULL=n | 9 | CONFIG_NO_HZ_FULL=n |
| @@ -18,7 +18,8 @@ CONFIG_RCU_FANOUT_LEAF=2 | |||
| 18 | CONFIG_RCU_NOCB_CPU=y | 18 | CONFIG_RCU_NOCB_CPU=y |
| 19 | CONFIG_RCU_NOCB_CPU_ALL=y | 19 | CONFIG_RCU_NOCB_CPU_ALL=y |
| 20 | CONFIG_DEBUG_LOCK_ALLOC=n | 20 | CONFIG_DEBUG_LOCK_ALLOC=n |
| 21 | CONFIG_PROVE_LOCKING=y | ||
| 22 | CONFIG_PROVE_RCU=y | ||
| 21 | CONFIG_RCU_CPU_STALL_INFO=n | 23 | CONFIG_RCU_CPU_STALL_INFO=n |
| 22 | CONFIG_RCU_CPU_STALL_VERBOSE=n | ||
| 23 | CONFIG_RCU_BOOST=n | 24 | CONFIG_RCU_BOOST=n |
| 24 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=n | 25 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=n |
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE08-T b/tools/testing/selftests/rcutorture/configs/rcu/TREE08-T index a0f32fb8f17e..3eaeccacb083 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/TREE08-T +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE08-T | |||
| @@ -3,7 +3,7 @@ CONFIG_NR_CPUS=16 | |||
| 3 | CONFIG_PREEMPT_NONE=n | 3 | CONFIG_PREEMPT_NONE=n |
| 4 | CONFIG_PREEMPT_VOLUNTARY=n | 4 | CONFIG_PREEMPT_VOLUNTARY=n |
| 5 | CONFIG_PREEMPT=y | 5 | CONFIG_PREEMPT=y |
| 6 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | 6 | #CHECK#CONFIG_PREEMPT_RCU=y |
| 7 | CONFIG_HZ_PERIODIC=n | 7 | CONFIG_HZ_PERIODIC=n |
| 8 | CONFIG_NO_HZ_IDLE=y | 8 | CONFIG_NO_HZ_IDLE=y |
| 9 | CONFIG_NO_HZ_FULL=n | 9 | CONFIG_NO_HZ_FULL=n |
| @@ -19,6 +19,5 @@ CONFIG_RCU_NOCB_CPU=y | |||
| 19 | CONFIG_RCU_NOCB_CPU_ALL=y | 19 | CONFIG_RCU_NOCB_CPU_ALL=y |
| 20 | CONFIG_DEBUG_LOCK_ALLOC=n | 20 | CONFIG_DEBUG_LOCK_ALLOC=n |
| 21 | CONFIG_RCU_CPU_STALL_INFO=n | 21 | CONFIG_RCU_CPU_STALL_INFO=n |
| 22 | CONFIG_RCU_CPU_STALL_VERBOSE=n | ||
| 23 | CONFIG_RCU_BOOST=n | 22 | CONFIG_RCU_BOOST=n |
| 24 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=n | 23 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=n |
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE08.boot b/tools/testing/selftests/rcutorture/configs/rcu/TREE08.boot index 3b42b8b033cd..2561daf605ad 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/TREE08.boot +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE08.boot | |||
| @@ -1 +1,3 @@ | |||
| 1 | rcutorture.torture_type=sched | 1 | rcutorture.torture_type=sched |
| 2 | rcupdate.rcu_self_test=1 | ||
| 3 | rcupdate.rcu_self_test_sched=1 | ||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE09 b/tools/testing/selftests/rcutorture/configs/rcu/TREE09 index b7a62a540ad1..6076b36f6c0b 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/TREE09 +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE09 | |||
| @@ -3,7 +3,7 @@ CONFIG_NR_CPUS=1 | |||
| 3 | CONFIG_PREEMPT_NONE=n | 3 | CONFIG_PREEMPT_NONE=n |
| 4 | CONFIG_PREEMPT_VOLUNTARY=n | 4 | CONFIG_PREEMPT_VOLUNTARY=n |
| 5 | CONFIG_PREEMPT=y | 5 | CONFIG_PREEMPT=y |
| 6 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | 6 | #CHECK#CONFIG_PREEMPT_RCU=y |
| 7 | CONFIG_HZ_PERIODIC=n | 7 | CONFIG_HZ_PERIODIC=n |
| 8 | CONFIG_NO_HZ_IDLE=y | 8 | CONFIG_NO_HZ_IDLE=y |
| 9 | CONFIG_NO_HZ_FULL=n | 9 | CONFIG_NO_HZ_FULL=n |
| @@ -14,6 +14,5 @@ CONFIG_HIBERNATION=n | |||
| 14 | CONFIG_RCU_NOCB_CPU=n | 14 | CONFIG_RCU_NOCB_CPU=n |
| 15 | CONFIG_DEBUG_LOCK_ALLOC=n | 15 | CONFIG_DEBUG_LOCK_ALLOC=n |
| 16 | CONFIG_RCU_CPU_STALL_INFO=n | 16 | CONFIG_RCU_CPU_STALL_INFO=n |
| 17 | CONFIG_RCU_CPU_STALL_VERBOSE=n | ||
| 18 | CONFIG_RCU_BOOST=n | 17 | CONFIG_RCU_BOOST=n |
| 19 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=n | 18 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=n |
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/CFLIST b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/CFLIST deleted file mode 100644 index 18223947bbcb..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/CFLIST +++ /dev/null | |||
| @@ -1,14 +0,0 @@ | |||
| 1 | P1-S-T-NH-SD-SMP-HP | ||
| 2 | P2-2-t-nh-sd-SMP-hp | ||
| 3 | P3-3-T-nh-SD-SMP-hp | ||
| 4 | P4-A-t-NH-sd-SMP-HP | ||
| 5 | P5-U-T-NH-sd-SMP-hp | ||
| 6 | N1-S-T-NH-SD-SMP-HP | ||
| 7 | N2-2-t-nh-sd-SMP-hp | ||
| 8 | N3-3-T-nh-SD-SMP-hp | ||
| 9 | N4-A-t-NH-sd-SMP-HP | ||
| 10 | N5-U-T-NH-sd-SMP-hp | ||
| 11 | PT1-nh | ||
| 12 | PT2-NH | ||
| 13 | NT1-nh | ||
| 14 | NT3-NH | ||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N1-S-T-NH-SD-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N1-S-T-NH-SD-SMP-HP deleted file mode 100644 index d3ef873eb6e7..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N1-S-T-NH-SD-SMP-HP +++ /dev/null | |||
| @@ -1,18 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_NO_HZ=y | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=8 | ||
| 5 | CONFIG_NR_CPUS=8 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=y | ||
| 8 | CONFIG_PREEMPT_NONE=y | ||
| 9 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 10 | CONFIG_PREEMPT=n | ||
| 11 | #CHECK#CONFIG_TREE_RCU=y | ||
| 12 | CONFIG_RCU_TORTURE_TEST=m | ||
| 13 | CONFIG_MODULE_UNLOAD=y | ||
| 14 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 15 | CONFIG_IKCONFIG=y | ||
| 16 | CONFIG_IKCONFIG_PROC=y | ||
| 17 | CONFIG_PRINTK_TIME=y | ||
| 18 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N2-2-t-nh-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N2-2-t-nh-sd-SMP-hp deleted file mode 100644 index 02e418572b1b..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N2-2-t-nh-sd-SMP-hp +++ /dev/null | |||
| @@ -1,20 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=n | ||
| 2 | CONFIG_NO_HZ=n | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=4 | ||
| 5 | CONFIG_NR_CPUS=8 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=n | ||
| 8 | CONFIG_SUSPEND=n | ||
| 9 | CONFIG_HIBERNATION=n | ||
| 10 | CONFIG_PREEMPT_NONE=y | ||
| 11 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 12 | CONFIG_PREEMPT=n | ||
| 13 | #CHECK#CONFIG_TREE_RCU=y | ||
| 14 | CONFIG_RCU_TORTURE_TEST=m | ||
| 15 | CONFIG_MODULE_UNLOAD=y | ||
| 16 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 17 | CONFIG_IKCONFIG=y | ||
| 18 | CONFIG_IKCONFIG_PROC=y | ||
| 19 | CONFIG_PRINTK_TIME=y | ||
| 20 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N3-3-T-nh-SD-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N3-3-T-nh-SD-SMP-hp deleted file mode 100644 index b3100f69c8cf..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N3-3-T-nh-SD-SMP-hp +++ /dev/null | |||
| @@ -1,22 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_NO_HZ=n | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=2 | ||
| 5 | CONFIG_NR_CPUS=8 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=n | ||
| 8 | CONFIG_SUSPEND=n | ||
| 9 | CONFIG_HIBERNATION=n | ||
| 10 | CONFIG_PREEMPT_NONE=y | ||
| 11 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 12 | CONFIG_PREEMPT=n | ||
| 13 | #CHECK#CONFIG_TREE_RCU=y | ||
| 14 | CONFIG_RCU_TORTURE_TEST=m | ||
| 15 | CONFIG_MODULE_UNLOAD=y | ||
| 16 | CONFIG_PROVE_LOCKING=y | ||
| 17 | CONFIG_PROVE_RCU=y | ||
| 18 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 19 | CONFIG_IKCONFIG=y | ||
| 20 | CONFIG_IKCONFIG_PROC=y | ||
| 21 | CONFIG_PRINTK_TIME=y | ||
| 22 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N4-A-t-NH-sd-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N4-A-t-NH-sd-SMP-HP deleted file mode 100644 index c56b44530725..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N4-A-t-NH-sd-SMP-HP +++ /dev/null | |||
| @@ -1,18 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=n | ||
| 2 | CONFIG_NO_HZ=y | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=6 | ||
| 5 | CONFIG_NR_CPUS=8 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=y | ||
| 8 | CONFIG_PREEMPT_NONE=y | ||
| 9 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 10 | CONFIG_PREEMPT=n | ||
| 11 | #CHECK#CONFIG_TREE_RCU=y | ||
| 12 | CONFIG_RCU_TORTURE_TEST=m | ||
| 13 | CONFIG_MODULE_UNLOAD=y | ||
| 14 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 15 | CONFIG_IKCONFIG=y | ||
| 16 | CONFIG_IKCONFIG_PROC=y | ||
| 17 | CONFIG_PRINTK_TIME=y | ||
| 18 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N5-U-T-NH-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N5-U-T-NH-sd-SMP-hp deleted file mode 100644 index 90d924fea9e9..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N5-U-T-NH-sd-SMP-hp +++ /dev/null | |||
| @@ -1,22 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_DEBUG_KERNEL=y | ||
| 3 | CONFIG_RCU_CPU_STALL_INFO=y | ||
| 4 | CONFIG_NO_HZ=y | ||
| 5 | CONFIG_SMP=y | ||
| 6 | CONFIG_RCU_FANOUT=6 | ||
| 7 | CONFIG_NR_CPUS=8 | ||
| 8 | CONFIG_RCU_FANOUT_EXACT=y | ||
| 9 | CONFIG_HOTPLUG_CPU=n | ||
| 10 | CONFIG_SUSPEND=n | ||
| 11 | CONFIG_HIBERNATION=n | ||
| 12 | CONFIG_PREEMPT_NONE=y | ||
| 13 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 14 | CONFIG_PREEMPT=n | ||
| 15 | #CHECK#CONFIG_TREE_RCU=y | ||
| 16 | CONFIG_RCU_TORTURE_TEST=m | ||
| 17 | CONFIG_MODULE_UNLOAD=y | ||
| 18 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 19 | CONFIG_IKCONFIG=y | ||
| 20 | CONFIG_IKCONFIG_PROC=y | ||
| 21 | CONFIG_PRINTK_TIME=y | ||
| 22 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/NT1-nh b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/NT1-nh deleted file mode 100644 index 023f312a931c..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/NT1-nh +++ /dev/null | |||
| @@ -1,23 +0,0 @@ | |||
| 1 | #CHECK#CONFIG_TINY_RCU=y | ||
| 2 | CONFIG_RCU_TRACE=y | ||
| 3 | CONFIG_RCU_TORTURE_TEST=m | ||
| 4 | CONFIG_MODULE_UNLOAD=y | ||
| 5 | CONFIG_SUSPEND=n | ||
| 6 | CONFIG_HIBERNATION=n | ||
| 7 | # | ||
| 8 | CONFIG_SMP=n | ||
| 9 | # | ||
| 10 | CONFIG_HOTPLUG_CPU=n | ||
| 11 | # | ||
| 12 | CONFIG_NO_HZ=n | ||
| 13 | # | ||
| 14 | CONFIG_PREEMPT_NONE=y | ||
| 15 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 16 | CONFIG_PREEMPT=n | ||
| 17 | CONFIG_PROVE_LOCKING=y | ||
| 18 | CONFIG_PROVE_RCU=y | ||
| 19 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 20 | CONFIG_IKCONFIG=y | ||
| 21 | CONFIG_IKCONFIG_PROC=y | ||
| 22 | CONFIG_PRINTK_TIME=y | ||
| 23 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/NT3-NH b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/NT3-NH deleted file mode 100644 index 6fd0235dae73..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/NT3-NH +++ /dev/null | |||
| @@ -1,20 +0,0 @@ | |||
| 1 | #CHECK#CONFIG_TINY_RCU=y | ||
| 2 | CONFIG_RCU_TORTURE_TEST=m | ||
| 3 | CONFIG_MODULE_UNLOAD=y | ||
| 4 | CONFIG_SUSPEND=n | ||
| 5 | CONFIG_HIBERNATION=n | ||
| 6 | # | ||
| 7 | CONFIG_SMP=n | ||
| 8 | # | ||
| 9 | CONFIG_HOTPLUG_CPU=n | ||
| 10 | # | ||
| 11 | CONFIG_NO_HZ=y | ||
| 12 | # | ||
| 13 | CONFIG_PREEMPT_NONE=y | ||
| 14 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 15 | CONFIG_PREEMPT=n | ||
| 16 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 17 | CONFIG_IKCONFIG=y | ||
| 18 | CONFIG_IKCONFIG_PROC=y | ||
| 19 | CONFIG_PRINTK_TIME=y | ||
| 20 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P1-S-T-NH-SD-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P1-S-T-NH-SD-SMP-HP deleted file mode 100644 index f72402d7c13d..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P1-S-T-NH-SD-SMP-HP +++ /dev/null | |||
| @@ -1,19 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_RCU_CPU_STALL_INFO=y | ||
| 3 | CONFIG_NO_HZ=y | ||
| 4 | CONFIG_SMP=y | ||
| 5 | CONFIG_RCU_FANOUT=8 | ||
| 6 | CONFIG_NR_CPUS=8 | ||
| 7 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 8 | CONFIG_HOTPLUG_CPU=y | ||
| 9 | CONFIG_PREEMPT_NONE=n | ||
| 10 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 11 | CONFIG_PREEMPT=y | ||
| 12 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | ||
| 13 | CONFIG_RCU_TORTURE_TEST=m | ||
| 14 | CONFIG_MODULE_UNLOAD=y | ||
| 15 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 16 | CONFIG_IKCONFIG=y | ||
| 17 | CONFIG_IKCONFIG_PROC=y | ||
| 18 | CONFIG_PRINTK_TIME=y | ||
| 19 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P2-2-t-nh-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P2-2-t-nh-sd-SMP-hp deleted file mode 100644 index 0f3b667d2a9f..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P2-2-t-nh-sd-SMP-hp +++ /dev/null | |||
| @@ -1,20 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=n | ||
| 2 | CONFIG_NO_HZ=n | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=4 | ||
| 5 | CONFIG_NR_CPUS=8 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=n | ||
| 8 | CONFIG_SUSPEND=n | ||
| 9 | CONFIG_HIBERNATION=n | ||
| 10 | CONFIG_PREEMPT_NONE=n | ||
| 11 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 12 | CONFIG_PREEMPT=y | ||
| 13 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | ||
| 14 | CONFIG_RCU_TORTURE_TEST=m | ||
| 15 | CONFIG_MODULE_UNLOAD=y | ||
| 16 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 17 | CONFIG_IKCONFIG=y | ||
| 18 | CONFIG_IKCONFIG_PROC=y | ||
| 19 | CONFIG_PRINTK_TIME=y | ||
| 20 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P3-3-T-nh-SD-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P3-3-T-nh-SD-SMP-hp deleted file mode 100644 index b035e141bf2a..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P3-3-T-nh-SD-SMP-hp +++ /dev/null | |||
| @@ -1,20 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_NO_HZ=n | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=2 | ||
| 5 | CONFIG_NR_CPUS=8 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=n | ||
| 8 | CONFIG_SUSPEND=n | ||
| 9 | CONFIG_HIBERNATION=n | ||
| 10 | CONFIG_PREEMPT_NONE=n | ||
| 11 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 12 | CONFIG_PREEMPT=y | ||
| 13 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | ||
| 14 | CONFIG_RCU_TORTURE_TEST=m | ||
| 15 | CONFIG_MODULE_UNLOAD=y | ||
| 16 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 17 | CONFIG_IKCONFIG=y | ||
| 18 | CONFIG_IKCONFIG_PROC=y | ||
| 19 | CONFIG_PRINTK_TIME=y | ||
| 20 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P4-A-t-NH-sd-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P4-A-t-NH-sd-SMP-HP deleted file mode 100644 index 3ccf6a9447f5..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P4-A-t-NH-sd-SMP-HP +++ /dev/null | |||
| @@ -1,22 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=n | ||
| 2 | CONFIG_NO_HZ=y | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=6 | ||
| 5 | CONFIG_NR_CPUS=8 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=y | ||
| 8 | CONFIG_PREEMPT_NONE=n | ||
| 9 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 10 | CONFIG_PREEMPT=y | ||
| 11 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | ||
| 12 | CONFIG_RCU_TORTURE_TEST=m | ||
| 13 | CONFIG_MODULE_UNLOAD=y | ||
| 14 | CONFIG_RT_MUTEXES=y | ||
| 15 | CONFIG_RCU_BOOST=y | ||
| 16 | CONFIG_RCU_BOOST_PRIO=2 | ||
| 17 | CONFIG_PROVE_LOCKING=y | ||
| 18 | CONFIG_PROVE_RCU=y | ||
| 19 | CONFIG_IKCONFIG=y | ||
| 20 | CONFIG_IKCONFIG_PROC=y | ||
| 21 | CONFIG_PRINTK_TIME=y | ||
| 22 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P5-U-T-NH-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P5-U-T-NH-sd-SMP-hp deleted file mode 100644 index a55c00877fe4..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P5-U-T-NH-sd-SMP-hp +++ /dev/null | |||
| @@ -1,27 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_RCU_CPU_STALL_INFO=y | ||
| 3 | CONFIG_NO_HZ=y | ||
| 4 | CONFIG_SMP=y | ||
| 5 | CONFIG_RCU_FANOUT=6 | ||
| 6 | CONFIG_NR_CPUS=8 | ||
| 7 | CONFIG_RCU_FANOUT_EXACT=y | ||
| 8 | CONFIG_HOTPLUG_CPU=n | ||
| 9 | CONFIG_SUSPEND=n | ||
| 10 | CONFIG_HIBERNATION=n | ||
| 11 | CONFIG_PREEMPT_NONE=n | ||
| 12 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 13 | CONFIG_PREEMPT=y | ||
| 14 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | ||
| 15 | CONFIG_DEBUG_KERNEL=y | ||
| 16 | CONFIG_DEBUG_OBJECTS=y | ||
| 17 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=y | ||
| 18 | CONFIG_RT_MUTEXES=y | ||
| 19 | CONFIG_RCU_BOOST=y | ||
| 20 | CONFIG_RCU_BOOST_PRIO=2 | ||
| 21 | CONFIG_RCU_TORTURE_TEST=m | ||
| 22 | CONFIG_MODULE_UNLOAD=y | ||
| 23 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 24 | CONFIG_IKCONFIG=y | ||
| 25 | CONFIG_IKCONFIG_PROC=y | ||
| 26 | CONFIG_PRINTK_TIME=y | ||
| 27 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/PT1-nh b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/PT1-nh deleted file mode 100644 index e3361c3894a1..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/PT1-nh +++ /dev/null | |||
| @@ -1,23 +0,0 @@ | |||
| 1 | CONFIG_TINY_PREEMPT_RCU=y | ||
| 2 | CONFIG_RCU_BOOST=y | ||
| 3 | CONFIG_RCU_BOOST_PRIO=2 | ||
| 4 | CONFIG_RCU_TRACE=y | ||
| 5 | CONFIG_RCU_TORTURE_TEST=m | ||
| 6 | CONFIG_MODULE_UNLOAD=y | ||
| 7 | CONFIG_SUSPEND=n | ||
| 8 | CONFIG_HIBERNATION=n | ||
| 9 | # | ||
| 10 | CONFIG_SMP=n | ||
| 11 | # | ||
| 12 | CONFIG_HOTPLUG_CPU=n | ||
| 13 | # | ||
| 14 | CONFIG_NO_HZ=n | ||
| 15 | # | ||
| 16 | CONFIG_PREEMPT_NONE=n | ||
| 17 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 18 | CONFIG_PREEMPT=y | ||
| 19 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 20 | CONFIG_IKCONFIG=y | ||
| 21 | CONFIG_IKCONFIG_PROC=y | ||
| 22 | CONFIG_PRINTK_TIME=y | ||
| 23 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/PT2-NH b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/PT2-NH deleted file mode 100644 index 64abfc3b4d94..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/PT2-NH +++ /dev/null | |||
| @@ -1,22 +0,0 @@ | |||
| 1 | CONFIG_TINY_PREEMPT_RCU=y | ||
| 2 | CONFIG_RCU_TORTURE_TEST=m | ||
| 3 | CONFIG_MODULE_UNLOAD=y | ||
| 4 | CONFIG_SUSPEND=n | ||
| 5 | CONFIG_HIBERNATION=n | ||
| 6 | # | ||
| 7 | CONFIG_SMP=n | ||
| 8 | # | ||
| 9 | CONFIG_HOTPLUG_CPU=n | ||
| 10 | # | ||
| 11 | CONFIG_NO_HZ=y | ||
| 12 | # | ||
| 13 | CONFIG_PREEMPT_NONE=n | ||
| 14 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 15 | CONFIG_PREEMPT=y | ||
| 16 | CONFIG_PROVE_LOCKING=y | ||
| 17 | CONFIG_PROVE_RCU=y | ||
| 18 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 19 | CONFIG_IKCONFIG=y | ||
| 20 | CONFIG_IKCONFIG_PROC=y | ||
| 21 | CONFIG_PRINTK_TIME=y | ||
| 22 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/ver_functions.sh b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/ver_functions.sh deleted file mode 100644 index 5ace37a89780..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/ver_functions.sh +++ /dev/null | |||
| @@ -1,33 +0,0 @@ | |||
| 1 | #!/bin/bash | ||
| 2 | # | ||
| 3 | # Kernel-version-dependent shell functions for the rest of the scripts. | ||
| 4 | # | ||
| 5 | # This program is free software; you can redistribute it and/or modify | ||
| 6 | # it under the terms of the GNU General Public License as published by | ||
| 7 | # the Free Software Foundation; either version 2 of the License, or | ||
| 8 | # (at your option) any later version. | ||
| 9 | # | ||
| 10 | # This program is distributed in the hope that it will be useful, | ||
| 11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 13 | # GNU General Public License for more details. | ||
| 14 | # | ||
| 15 | # You should have received a copy of the GNU General Public License | ||
| 16 | # along with this program; if not, you can access it online at | ||
| 17 | # http://www.gnu.org/licenses/gpl-2.0.html. | ||
| 18 | # | ||
| 19 | # Copyright (C) IBM Corporation, 2013 | ||
| 20 | # | ||
| 21 | # Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> | ||
| 22 | |||
| 23 | # per_version_boot_params bootparam-string config-file seconds | ||
| 24 | # | ||
| 25 | # Adds per-version torture-module parameters to kernels supporting them. | ||
| 26 | # Which old kernels do not. | ||
| 27 | per_version_boot_params () { | ||
| 28 | echo rcutorture.stat_interval=15 \ | ||
| 29 | rcutorture.shutdown_secs=$3 \ | ||
| 30 | rcutorture.rcutorture_runnable=1 \ | ||
| 31 | rcutorture.test_no_idle_hz=1 \ | ||
| 32 | rcutorture.verbose=1 | ||
| 33 | } | ||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/CFLIST b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/CFLIST deleted file mode 100644 index da4cbc668f2a..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/CFLIST +++ /dev/null | |||
| @@ -1,17 +0,0 @@ | |||
| 1 | sysidleY.2013.06.19a | ||
| 2 | sysidleN.2013.06.19a | ||
| 3 | P1-S-T-NH-SD-SMP-HP | ||
| 4 | P2-2-t-nh-sd-SMP-hp | ||
| 5 | P3-3-T-nh-SD-SMP-hp | ||
| 6 | P4-A-t-NH-sd-SMP-HP | ||
| 7 | P5-U-T-NH-sd-SMP-hp | ||
| 8 | P6---t-nh-SD-smp-hp | ||
| 9 | N1-S-T-NH-SD-SMP-HP | ||
| 10 | N2-2-t-nh-sd-SMP-hp | ||
| 11 | N3-3-T-nh-SD-SMP-hp | ||
| 12 | N4-A-t-NH-sd-SMP-HP | ||
| 13 | N5-U-T-NH-sd-SMP-hp | ||
| 14 | PT1-nh | ||
| 15 | PT2-NH | ||
| 16 | NT1-nh | ||
| 17 | NT3-NH | ||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N1-S-T-NH-SD-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N1-S-T-NH-SD-SMP-HP deleted file mode 100644 index d81e11d280aa..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N1-S-T-NH-SD-SMP-HP +++ /dev/null | |||
| @@ -1,19 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_RCU_FAST_NO_HZ=y | ||
| 3 | CONFIG_NO_HZ=y | ||
| 4 | CONFIG_SMP=y | ||
| 5 | CONFIG_RCU_FANOUT=8 | ||
| 6 | CONFIG_NR_CPUS=8 | ||
| 7 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 8 | CONFIG_HOTPLUG_CPU=y | ||
| 9 | CONFIG_PREEMPT_NONE=y | ||
| 10 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 11 | CONFIG_PREEMPT=n | ||
| 12 | #CHECK#CONFIG_TREE_RCU=y | ||
| 13 | CONFIG_RCU_TORTURE_TEST=m | ||
| 14 | CONFIG_MODULE_UNLOAD=y | ||
| 15 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 16 | CONFIG_IKCONFIG=y | ||
| 17 | CONFIG_IKCONFIG_PROC=y | ||
| 18 | CONFIG_PRINTK_TIME=y | ||
| 19 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N2-2-t-nh-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N2-2-t-nh-sd-SMP-hp deleted file mode 100644 index 02e418572b1b..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N2-2-t-nh-sd-SMP-hp +++ /dev/null | |||
| @@ -1,20 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=n | ||
| 2 | CONFIG_NO_HZ=n | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=4 | ||
| 5 | CONFIG_NR_CPUS=8 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=n | ||
| 8 | CONFIG_SUSPEND=n | ||
| 9 | CONFIG_HIBERNATION=n | ||
| 10 | CONFIG_PREEMPT_NONE=y | ||
| 11 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 12 | CONFIG_PREEMPT=n | ||
| 13 | #CHECK#CONFIG_TREE_RCU=y | ||
| 14 | CONFIG_RCU_TORTURE_TEST=m | ||
| 15 | CONFIG_MODULE_UNLOAD=y | ||
| 16 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 17 | CONFIG_IKCONFIG=y | ||
| 18 | CONFIG_IKCONFIG_PROC=y | ||
| 19 | CONFIG_PRINTK_TIME=y | ||
| 20 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N3-3-T-nh-SD-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N3-3-T-nh-SD-SMP-hp deleted file mode 100644 index b3100f69c8cf..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N3-3-T-nh-SD-SMP-hp +++ /dev/null | |||
| @@ -1,22 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_NO_HZ=n | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=2 | ||
| 5 | CONFIG_NR_CPUS=8 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=n | ||
| 8 | CONFIG_SUSPEND=n | ||
| 9 | CONFIG_HIBERNATION=n | ||
| 10 | CONFIG_PREEMPT_NONE=y | ||
| 11 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 12 | CONFIG_PREEMPT=n | ||
| 13 | #CHECK#CONFIG_TREE_RCU=y | ||
| 14 | CONFIG_RCU_TORTURE_TEST=m | ||
| 15 | CONFIG_MODULE_UNLOAD=y | ||
| 16 | CONFIG_PROVE_LOCKING=y | ||
| 17 | CONFIG_PROVE_RCU=y | ||
| 18 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 19 | CONFIG_IKCONFIG=y | ||
| 20 | CONFIG_IKCONFIG_PROC=y | ||
| 21 | CONFIG_PRINTK_TIME=y | ||
| 22 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N4-A-t-NH-sd-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N4-A-t-NH-sd-SMP-HP deleted file mode 100644 index c56b44530725..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N4-A-t-NH-sd-SMP-HP +++ /dev/null | |||
| @@ -1,18 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=n | ||
| 2 | CONFIG_NO_HZ=y | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=6 | ||
| 5 | CONFIG_NR_CPUS=8 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=y | ||
| 8 | CONFIG_PREEMPT_NONE=y | ||
| 9 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 10 | CONFIG_PREEMPT=n | ||
| 11 | #CHECK#CONFIG_TREE_RCU=y | ||
| 12 | CONFIG_RCU_TORTURE_TEST=m | ||
| 13 | CONFIG_MODULE_UNLOAD=y | ||
| 14 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 15 | CONFIG_IKCONFIG=y | ||
| 16 | CONFIG_IKCONFIG_PROC=y | ||
| 17 | CONFIG_PRINTK_TIME=y | ||
| 18 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N5-U-T-NH-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N5-U-T-NH-sd-SMP-hp deleted file mode 100644 index 90d924fea9e9..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N5-U-T-NH-sd-SMP-hp +++ /dev/null | |||
| @@ -1,22 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_DEBUG_KERNEL=y | ||
| 3 | CONFIG_RCU_CPU_STALL_INFO=y | ||
| 4 | CONFIG_NO_HZ=y | ||
| 5 | CONFIG_SMP=y | ||
| 6 | CONFIG_RCU_FANOUT=6 | ||
| 7 | CONFIG_NR_CPUS=8 | ||
| 8 | CONFIG_RCU_FANOUT_EXACT=y | ||
| 9 | CONFIG_HOTPLUG_CPU=n | ||
| 10 | CONFIG_SUSPEND=n | ||
| 11 | CONFIG_HIBERNATION=n | ||
| 12 | CONFIG_PREEMPT_NONE=y | ||
| 13 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 14 | CONFIG_PREEMPT=n | ||
| 15 | #CHECK#CONFIG_TREE_RCU=y | ||
| 16 | CONFIG_RCU_TORTURE_TEST=m | ||
| 17 | CONFIG_MODULE_UNLOAD=y | ||
| 18 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 19 | CONFIG_IKCONFIG=y | ||
| 20 | CONFIG_IKCONFIG_PROC=y | ||
| 21 | CONFIG_PRINTK_TIME=y | ||
| 22 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N6---t-nh-SD-smp-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N6---t-nh-SD-smp-hp deleted file mode 100644 index 0ccc36d72738..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N6---t-nh-SD-smp-hp +++ /dev/null | |||
| @@ -1,19 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=n | ||
| 2 | CONFIG_NO_HZ=n | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_NR_CPUS=1 | ||
| 5 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 6 | CONFIG_HOTPLUG_CPU=n | ||
| 7 | CONFIG_SUSPEND=n | ||
| 8 | CONFIG_HIBERNATION=n | ||
| 9 | CONFIG_PREEMPT_NONE=y | ||
| 10 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 11 | CONFIG_PREEMPT=n | ||
| 12 | #CHECK#CONFIG_TREE_RCU=y | ||
| 13 | CONFIG_RCU_TORTURE_TEST=m | ||
| 14 | CONFIG_MODULE_UNLOAD=y | ||
| 15 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 16 | CONFIG_IKCONFIG=y | ||
| 17 | CONFIG_IKCONFIG_PROC=y | ||
| 18 | CONFIG_PRINTK_TIME=y | ||
| 19 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N7-4-T-NH-SD-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N7-4-T-NH-SD-SMP-HP deleted file mode 100644 index 3f640cf84973..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N7-4-T-NH-SD-SMP-HP +++ /dev/null | |||
| @@ -1,26 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_DEBUG_KERNEL=y | ||
| 3 | CONFIG_RCU_CPU_STALL_INFO=y | ||
| 4 | CONFIG_NO_HZ=y | ||
| 5 | CONFIG_SMP=y | ||
| 6 | CONFIG_RCU_FANOUT=2 | ||
| 7 | CONFIG_NR_CPUS=16 | ||
| 8 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 9 | CONFIG_HOTPLUG_CPU=y | ||
| 10 | CONFIG_RCU_NOCB_CPU=y | ||
| 11 | CONFIG_RCU_NOCB_CPU_NONE=y | ||
| 12 | CONFIG_RCU_NOCB_CPU_ZERO=n | ||
| 13 | CONFIG_RCU_NOCB_CPU_ALL=n | ||
| 14 | CONFIG_SUSPEND=n | ||
| 15 | CONFIG_HIBERNATION=n | ||
| 16 | CONFIG_PREEMPT_NONE=y | ||
| 17 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 18 | CONFIG_PREEMPT=n | ||
| 19 | #CHECK#CONFIG_TREE_RCU=y | ||
| 20 | CONFIG_RCU_TORTURE_TEST=m | ||
| 21 | CONFIG_MODULE_UNLOAD=y | ||
| 22 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 23 | CONFIG_IKCONFIG=y | ||
| 24 | CONFIG_IKCONFIG_PROC=y | ||
| 25 | CONFIG_PRINTK_TIME=y | ||
| 26 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N8-2-T-NH-SD-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N8-2-T-NH-SD-SMP-HP deleted file mode 100644 index 285da2dd8ac3..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N8-2-T-NH-SD-SMP-HP +++ /dev/null | |||
| @@ -1,22 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_DEBUG_KERNEL=y | ||
| 3 | CONFIG_RCU_CPU_STALL_INFO=y | ||
| 4 | CONFIG_NO_HZ=y | ||
| 5 | CONFIG_SMP=y | ||
| 6 | CONFIG_RCU_FANOUT=14 | ||
| 7 | CONFIG_NR_CPUS=16 | ||
| 8 | CONFIG_RCU_FANOUT_EXACT=y | ||
| 9 | CONFIG_HOTPLUG_CPU=y | ||
| 10 | CONFIG_SUSPEND=n | ||
| 11 | CONFIG_HIBERNATION=n | ||
| 12 | CONFIG_PREEMPT_NONE=y | ||
| 13 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 14 | CONFIG_PREEMPT=n | ||
| 15 | #CHECK#CONFIG_TREE_RCU=y | ||
| 16 | CONFIG_RCU_TORTURE_TEST=m | ||
| 17 | CONFIG_MODULE_UNLOAD=y | ||
| 18 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 19 | CONFIG_IKCONFIG=y | ||
| 20 | CONFIG_IKCONFIG_PROC=y | ||
| 21 | CONFIG_PRINTK_TIME=y | ||
| 22 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/NT1-nh b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/NT1-nh deleted file mode 100644 index 023f312a931c..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/NT1-nh +++ /dev/null | |||
| @@ -1,23 +0,0 @@ | |||
| 1 | #CHECK#CONFIG_TINY_RCU=y | ||
| 2 | CONFIG_RCU_TRACE=y | ||
| 3 | CONFIG_RCU_TORTURE_TEST=m | ||
| 4 | CONFIG_MODULE_UNLOAD=y | ||
| 5 | CONFIG_SUSPEND=n | ||
| 6 | CONFIG_HIBERNATION=n | ||
| 7 | # | ||
| 8 | CONFIG_SMP=n | ||
| 9 | # | ||
| 10 | CONFIG_HOTPLUG_CPU=n | ||
| 11 | # | ||
| 12 | CONFIG_NO_HZ=n | ||
| 13 | # | ||
| 14 | CONFIG_PREEMPT_NONE=y | ||
| 15 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 16 | CONFIG_PREEMPT=n | ||
| 17 | CONFIG_PROVE_LOCKING=y | ||
| 18 | CONFIG_PROVE_RCU=y | ||
| 19 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 20 | CONFIG_IKCONFIG=y | ||
| 21 | CONFIG_IKCONFIG_PROC=y | ||
| 22 | CONFIG_PRINTK_TIME=y | ||
| 23 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/NT3-NH b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/NT3-NH deleted file mode 100644 index 6fd0235dae73..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/NT3-NH +++ /dev/null | |||
| @@ -1,20 +0,0 @@ | |||
| 1 | #CHECK#CONFIG_TINY_RCU=y | ||
| 2 | CONFIG_RCU_TORTURE_TEST=m | ||
| 3 | CONFIG_MODULE_UNLOAD=y | ||
| 4 | CONFIG_SUSPEND=n | ||
| 5 | CONFIG_HIBERNATION=n | ||
| 6 | # | ||
| 7 | CONFIG_SMP=n | ||
| 8 | # | ||
| 9 | CONFIG_HOTPLUG_CPU=n | ||
| 10 | # | ||
| 11 | CONFIG_NO_HZ=y | ||
| 12 | # | ||
| 13 | CONFIG_PREEMPT_NONE=y | ||
| 14 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 15 | CONFIG_PREEMPT=n | ||
| 16 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 17 | CONFIG_IKCONFIG=y | ||
| 18 | CONFIG_IKCONFIG_PROC=y | ||
| 19 | CONFIG_PRINTK_TIME=y | ||
| 20 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P1-S-T-NH-SD-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P1-S-T-NH-SD-SMP-HP deleted file mode 100644 index 9647c44cf4b7..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P1-S-T-NH-SD-SMP-HP +++ /dev/null | |||
| @@ -1,20 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_RCU_CPU_STALL_INFO=y | ||
| 3 | CONFIG_NO_HZ=y | ||
| 4 | CONFIG_RCU_FAST_NO_HZ=y | ||
| 5 | CONFIG_SMP=y | ||
| 6 | CONFIG_RCU_FANOUT=8 | ||
| 7 | CONFIG_NR_CPUS=8 | ||
| 8 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 9 | CONFIG_HOTPLUG_CPU=y | ||
| 10 | CONFIG_PREEMPT_NONE=n | ||
| 11 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 12 | CONFIG_PREEMPT=y | ||
| 13 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | ||
| 14 | CONFIG_RCU_TORTURE_TEST=m | ||
| 15 | CONFIG_MODULE_UNLOAD=y | ||
| 16 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 17 | CONFIG_IKCONFIG=y | ||
| 18 | CONFIG_IKCONFIG_PROC=y | ||
| 19 | CONFIG_PRINTK_TIME=y | ||
| 20 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P2-2-t-nh-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P2-2-t-nh-sd-SMP-hp deleted file mode 100644 index 0f3b667d2a9f..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P2-2-t-nh-sd-SMP-hp +++ /dev/null | |||
| @@ -1,20 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=n | ||
| 2 | CONFIG_NO_HZ=n | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=4 | ||
| 5 | CONFIG_NR_CPUS=8 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=n | ||
| 8 | CONFIG_SUSPEND=n | ||
| 9 | CONFIG_HIBERNATION=n | ||
| 10 | CONFIG_PREEMPT_NONE=n | ||
| 11 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 12 | CONFIG_PREEMPT=y | ||
| 13 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | ||
| 14 | CONFIG_RCU_TORTURE_TEST=m | ||
| 15 | CONFIG_MODULE_UNLOAD=y | ||
| 16 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 17 | CONFIG_IKCONFIG=y | ||
| 18 | CONFIG_IKCONFIG_PROC=y | ||
| 19 | CONFIG_PRINTK_TIME=y | ||
| 20 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P3-3-T-nh-SD-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P3-3-T-nh-SD-SMP-hp deleted file mode 100644 index b035e141bf2a..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P3-3-T-nh-SD-SMP-hp +++ /dev/null | |||
| @@ -1,20 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_NO_HZ=n | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=2 | ||
| 5 | CONFIG_NR_CPUS=8 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=n | ||
| 8 | CONFIG_SUSPEND=n | ||
| 9 | CONFIG_HIBERNATION=n | ||
| 10 | CONFIG_PREEMPT_NONE=n | ||
| 11 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 12 | CONFIG_PREEMPT=y | ||
| 13 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | ||
| 14 | CONFIG_RCU_TORTURE_TEST=m | ||
| 15 | CONFIG_MODULE_UNLOAD=y | ||
| 16 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 17 | CONFIG_IKCONFIG=y | ||
| 18 | CONFIG_IKCONFIG_PROC=y | ||
| 19 | CONFIG_PRINTK_TIME=y | ||
| 20 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P4-A-t-NH-sd-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P4-A-t-NH-sd-SMP-HP deleted file mode 100644 index 3ccf6a9447f5..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P4-A-t-NH-sd-SMP-HP +++ /dev/null | |||
| @@ -1,22 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=n | ||
| 2 | CONFIG_NO_HZ=y | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=6 | ||
| 5 | CONFIG_NR_CPUS=8 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=y | ||
| 8 | CONFIG_PREEMPT_NONE=n | ||
| 9 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 10 | CONFIG_PREEMPT=y | ||
| 11 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | ||
| 12 | CONFIG_RCU_TORTURE_TEST=m | ||
| 13 | CONFIG_MODULE_UNLOAD=y | ||
| 14 | CONFIG_RT_MUTEXES=y | ||
| 15 | CONFIG_RCU_BOOST=y | ||
| 16 | CONFIG_RCU_BOOST_PRIO=2 | ||
| 17 | CONFIG_PROVE_LOCKING=y | ||
| 18 | CONFIG_PROVE_RCU=y | ||
| 19 | CONFIG_IKCONFIG=y | ||
| 20 | CONFIG_IKCONFIG_PROC=y | ||
| 21 | CONFIG_PRINTK_TIME=y | ||
| 22 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P5-U-T-NH-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P5-U-T-NH-sd-SMP-hp deleted file mode 100644 index a55c00877fe4..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P5-U-T-NH-sd-SMP-hp +++ /dev/null | |||
| @@ -1,27 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_RCU_CPU_STALL_INFO=y | ||
| 3 | CONFIG_NO_HZ=y | ||
| 4 | CONFIG_SMP=y | ||
| 5 | CONFIG_RCU_FANOUT=6 | ||
| 6 | CONFIG_NR_CPUS=8 | ||
| 7 | CONFIG_RCU_FANOUT_EXACT=y | ||
| 8 | CONFIG_HOTPLUG_CPU=n | ||
| 9 | CONFIG_SUSPEND=n | ||
| 10 | CONFIG_HIBERNATION=n | ||
| 11 | CONFIG_PREEMPT_NONE=n | ||
| 12 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 13 | CONFIG_PREEMPT=y | ||
| 14 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | ||
| 15 | CONFIG_DEBUG_KERNEL=y | ||
| 16 | CONFIG_DEBUG_OBJECTS=y | ||
| 17 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=y | ||
| 18 | CONFIG_RT_MUTEXES=y | ||
| 19 | CONFIG_RCU_BOOST=y | ||
| 20 | CONFIG_RCU_BOOST_PRIO=2 | ||
| 21 | CONFIG_RCU_TORTURE_TEST=m | ||
| 22 | CONFIG_MODULE_UNLOAD=y | ||
| 23 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 24 | CONFIG_IKCONFIG=y | ||
| 25 | CONFIG_IKCONFIG_PROC=y | ||
| 26 | CONFIG_PRINTK_TIME=y | ||
| 27 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P6---t-nh-SD-smp-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P6---t-nh-SD-smp-hp deleted file mode 100644 index f4c9175828bf..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P6---t-nh-SD-smp-hp +++ /dev/null | |||
| @@ -1,18 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=n | ||
| 2 | CONFIG_NO_HZ=n | ||
| 3 | CONFIG_SMP=n | ||
| 4 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 5 | CONFIG_HOTPLUG_CPU=n | ||
| 6 | CONFIG_SUSPEND=n | ||
| 7 | CONFIG_HIBERNATION=n | ||
| 8 | CONFIG_PREEMPT_NONE=n | ||
| 9 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 10 | CONFIG_PREEMPT=y | ||
| 11 | CONFIG_TREE_PREEMPT_RCU=y | ||
| 12 | CONFIG_RCU_TORTURE_TEST=m | ||
| 13 | CONFIG_MODULE_UNLOAD=y | ||
| 14 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 15 | CONFIG_IKCONFIG=y | ||
| 16 | CONFIG_IKCONFIG_PROC=y | ||
| 17 | CONFIG_PRINTK_TIME=y | ||
| 18 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-HP deleted file mode 100644 index 77a8c5b75763..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-HP +++ /dev/null | |||
| @@ -1,30 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_NO_HZ=y | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=2 | ||
| 5 | CONFIG_NR_CPUS=16 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=y | ||
| 8 | CONFIG_RCU_NOCB_CPU=y | ||
| 9 | CONFIG_RCU_NOCB_CPU_NONE=n | ||
| 10 | CONFIG_RCU_NOCB_CPU_ZERO=n | ||
| 11 | CONFIG_RCU_NOCB_CPU_ALL=y | ||
| 12 | CONFIG_SUSPEND=n | ||
| 13 | CONFIG_HIBERNATION=n | ||
| 14 | CONFIG_PREEMPT_NONE=n | ||
| 15 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 16 | CONFIG_PREEMPT=y | ||
| 17 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | ||
| 18 | CONFIG_RCU_TORTURE_TEST=m | ||
| 19 | CONFIG_MODULE_UNLOAD=y | ||
| 20 | CONFIG_PROVE_LOCKING=y | ||
| 21 | CONFIG_PROVE_RCU=y | ||
| 22 | CONFIG_DEBUG_KERNEL=y | ||
| 23 | CONFIG_DEBUG_OBJECTS=y | ||
| 24 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=y | ||
| 25 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 26 | CONFIG_SLUB=y | ||
| 27 | CONFIG_IKCONFIG=y | ||
| 28 | CONFIG_IKCONFIG_PROC=y | ||
| 29 | CONFIG_PRINTK_TIME=y | ||
| 30 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-HP-all b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-HP-all deleted file mode 100644 index 0eecebc6e95f..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-HP-all +++ /dev/null | |||
| @@ -1,30 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_NO_HZ=y | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=2 | ||
| 5 | CONFIG_NR_CPUS=16 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=y | ||
| 8 | CONFIG_RCU_NOCB_CPU=y | ||
| 9 | CONFIG_RCU_NOCB_CPU_NONE=y | ||
| 10 | CONFIG_RCU_NOCB_CPU_ZERO=n | ||
| 11 | CONFIG_RCU_NOCB_CPU_ALL=n | ||
| 12 | CONFIG_SUSPEND=n | ||
| 13 | CONFIG_HIBERNATION=n | ||
| 14 | CONFIG_PREEMPT_NONE=n | ||
| 15 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 16 | CONFIG_PREEMPT=y | ||
| 17 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | ||
| 18 | CONFIG_RCU_TORTURE_TEST=m | ||
| 19 | CONFIG_MODULE_UNLOAD=y | ||
| 20 | CONFIG_PROVE_LOCKING=y | ||
| 21 | CONFIG_PROVE_RCU=y | ||
| 22 | CONFIG_DEBUG_KERNEL=y | ||
| 23 | CONFIG_DEBUG_OBJECTS=y | ||
| 24 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=y | ||
| 25 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 26 | CONFIG_SLUB=y | ||
| 27 | CONFIG_IKCONFIG=y | ||
| 28 | CONFIG_IKCONFIG_PROC=y | ||
| 29 | CONFIG_PRINTK_TIME=y | ||
| 30 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-HP-none b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-HP-none deleted file mode 100644 index 0eecebc6e95f..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-HP-none +++ /dev/null | |||
| @@ -1,30 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_NO_HZ=y | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=2 | ||
| 5 | CONFIG_NR_CPUS=16 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=y | ||
| 8 | CONFIG_RCU_NOCB_CPU=y | ||
| 9 | CONFIG_RCU_NOCB_CPU_NONE=y | ||
| 10 | CONFIG_RCU_NOCB_CPU_ZERO=n | ||
| 11 | CONFIG_RCU_NOCB_CPU_ALL=n | ||
| 12 | CONFIG_SUSPEND=n | ||
| 13 | CONFIG_HIBERNATION=n | ||
| 14 | CONFIG_PREEMPT_NONE=n | ||
| 15 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 16 | CONFIG_PREEMPT=y | ||
| 17 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | ||
| 18 | CONFIG_RCU_TORTURE_TEST=m | ||
| 19 | CONFIG_MODULE_UNLOAD=y | ||
| 20 | CONFIG_PROVE_LOCKING=y | ||
| 21 | CONFIG_PROVE_RCU=y | ||
| 22 | CONFIG_DEBUG_KERNEL=y | ||
| 23 | CONFIG_DEBUG_OBJECTS=y | ||
| 24 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=y | ||
| 25 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 26 | CONFIG_SLUB=y | ||
| 27 | CONFIG_IKCONFIG=y | ||
| 28 | CONFIG_IKCONFIG_PROC=y | ||
| 29 | CONFIG_PRINTK_TIME=y | ||
| 30 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-hp deleted file mode 100644 index 588bc70420cd..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-hp +++ /dev/null | |||
| @@ -1,30 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_NO_HZ=y | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=2 | ||
| 5 | CONFIG_NR_CPUS=16 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=n | ||
| 8 | CONFIG_RCU_NOCB_CPU=y | ||
| 9 | CONFIG_RCU_NOCB_CPU_NONE=n | ||
| 10 | CONFIG_RCU_NOCB_CPU_ZERO=y | ||
| 11 | CONFIG_RCU_NOCB_CPU_ALL=n | ||
| 12 | CONFIG_SUSPEND=n | ||
| 13 | CONFIG_HIBERNATION=n | ||
| 14 | CONFIG_PREEMPT_NONE=n | ||
| 15 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 16 | CONFIG_PREEMPT=y | ||
| 17 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | ||
| 18 | CONFIG_RCU_TORTURE_TEST=m | ||
| 19 | CONFIG_MODULE_UNLOAD=y | ||
| 20 | CONFIG_PROVE_LOCKING=y | ||
| 21 | CONFIG_PROVE_RCU=y | ||
| 22 | CONFIG_DEBUG_KERNEL=y | ||
| 23 | CONFIG_DEBUG_OBJECTS=y | ||
| 24 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=y | ||
| 25 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 26 | CONFIG_SLUB=y | ||
| 27 | CONFIG_IKCONFIG=y | ||
| 28 | CONFIG_IKCONFIG_PROC=y | ||
| 29 | CONFIG_PRINTK_TIME=y | ||
| 30 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/PT1-nh b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/PT1-nh deleted file mode 100644 index e3361c3894a1..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/PT1-nh +++ /dev/null | |||
| @@ -1,23 +0,0 @@ | |||
| 1 | CONFIG_TINY_PREEMPT_RCU=y | ||
| 2 | CONFIG_RCU_BOOST=y | ||
| 3 | CONFIG_RCU_BOOST_PRIO=2 | ||
| 4 | CONFIG_RCU_TRACE=y | ||
| 5 | CONFIG_RCU_TORTURE_TEST=m | ||
| 6 | CONFIG_MODULE_UNLOAD=y | ||
| 7 | CONFIG_SUSPEND=n | ||
| 8 | CONFIG_HIBERNATION=n | ||
| 9 | # | ||
| 10 | CONFIG_SMP=n | ||
| 11 | # | ||
| 12 | CONFIG_HOTPLUG_CPU=n | ||
| 13 | # | ||
| 14 | CONFIG_NO_HZ=n | ||
| 15 | # | ||
| 16 | CONFIG_PREEMPT_NONE=n | ||
| 17 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 18 | CONFIG_PREEMPT=y | ||
| 19 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 20 | CONFIG_IKCONFIG=y | ||
| 21 | CONFIG_IKCONFIG_PROC=y | ||
| 22 | CONFIG_PRINTK_TIME=y | ||
| 23 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/PT2-NH b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/PT2-NH deleted file mode 100644 index 64abfc3b4d94..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/PT2-NH +++ /dev/null | |||
| @@ -1,22 +0,0 @@ | |||
| 1 | CONFIG_TINY_PREEMPT_RCU=y | ||
| 2 | CONFIG_RCU_TORTURE_TEST=m | ||
| 3 | CONFIG_MODULE_UNLOAD=y | ||
| 4 | CONFIG_SUSPEND=n | ||
| 5 | CONFIG_HIBERNATION=n | ||
| 6 | # | ||
| 7 | CONFIG_SMP=n | ||
| 8 | # | ||
| 9 | CONFIG_HOTPLUG_CPU=n | ||
| 10 | # | ||
| 11 | CONFIG_NO_HZ=y | ||
| 12 | # | ||
| 13 | CONFIG_PREEMPT_NONE=n | ||
| 14 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 15 | CONFIG_PREEMPT=y | ||
| 16 | CONFIG_PROVE_LOCKING=y | ||
| 17 | CONFIG_PROVE_RCU=y | ||
| 18 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 19 | CONFIG_IKCONFIG=y | ||
| 20 | CONFIG_IKCONFIG_PROC=y | ||
| 21 | CONFIG_PRINTK_TIME=y | ||
| 22 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/CFLIST b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/CFLIST deleted file mode 100644 index 18223947bbcb..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/CFLIST +++ /dev/null | |||
| @@ -1,14 +0,0 @@ | |||
| 1 | P1-S-T-NH-SD-SMP-HP | ||
| 2 | P2-2-t-nh-sd-SMP-hp | ||
| 3 | P3-3-T-nh-SD-SMP-hp | ||
| 4 | P4-A-t-NH-sd-SMP-HP | ||
| 5 | P5-U-T-NH-sd-SMP-hp | ||
| 6 | N1-S-T-NH-SD-SMP-HP | ||
| 7 | N2-2-t-nh-sd-SMP-hp | ||
| 8 | N3-3-T-nh-SD-SMP-hp | ||
| 9 | N4-A-t-NH-sd-SMP-HP | ||
| 10 | N5-U-T-NH-sd-SMP-hp | ||
| 11 | PT1-nh | ||
| 12 | PT2-NH | ||
| 13 | NT1-nh | ||
| 14 | NT3-NH | ||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N1-S-T-NH-SD-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N1-S-T-NH-SD-SMP-HP deleted file mode 100644 index d81e11d280aa..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N1-S-T-NH-SD-SMP-HP +++ /dev/null | |||
| @@ -1,19 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_RCU_FAST_NO_HZ=y | ||
| 3 | CONFIG_NO_HZ=y | ||
| 4 | CONFIG_SMP=y | ||
| 5 | CONFIG_RCU_FANOUT=8 | ||
| 6 | CONFIG_NR_CPUS=8 | ||
| 7 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 8 | CONFIG_HOTPLUG_CPU=y | ||
| 9 | CONFIG_PREEMPT_NONE=y | ||
| 10 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 11 | CONFIG_PREEMPT=n | ||
| 12 | #CHECK#CONFIG_TREE_RCU=y | ||
| 13 | CONFIG_RCU_TORTURE_TEST=m | ||
| 14 | CONFIG_MODULE_UNLOAD=y | ||
| 15 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 16 | CONFIG_IKCONFIG=y | ||
| 17 | CONFIG_IKCONFIG_PROC=y | ||
| 18 | CONFIG_PRINTK_TIME=y | ||
| 19 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N2-2-t-nh-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N2-2-t-nh-sd-SMP-hp deleted file mode 100644 index 02e418572b1b..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N2-2-t-nh-sd-SMP-hp +++ /dev/null | |||
| @@ -1,20 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=n | ||
| 2 | CONFIG_NO_HZ=n | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=4 | ||
| 5 | CONFIG_NR_CPUS=8 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=n | ||
| 8 | CONFIG_SUSPEND=n | ||
| 9 | CONFIG_HIBERNATION=n | ||
| 10 | CONFIG_PREEMPT_NONE=y | ||
| 11 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 12 | CONFIG_PREEMPT=n | ||
| 13 | #CHECK#CONFIG_TREE_RCU=y | ||
| 14 | CONFIG_RCU_TORTURE_TEST=m | ||
| 15 | CONFIG_MODULE_UNLOAD=y | ||
| 16 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 17 | CONFIG_IKCONFIG=y | ||
| 18 | CONFIG_IKCONFIG_PROC=y | ||
| 19 | CONFIG_PRINTK_TIME=y | ||
| 20 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N3-3-T-nh-SD-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N3-3-T-nh-SD-SMP-hp deleted file mode 100644 index b3100f69c8cf..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N3-3-T-nh-SD-SMP-hp +++ /dev/null | |||
| @@ -1,22 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_NO_HZ=n | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=2 | ||
| 5 | CONFIG_NR_CPUS=8 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=n | ||
| 8 | CONFIG_SUSPEND=n | ||
| 9 | CONFIG_HIBERNATION=n | ||
| 10 | CONFIG_PREEMPT_NONE=y | ||
| 11 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 12 | CONFIG_PREEMPT=n | ||
| 13 | #CHECK#CONFIG_TREE_RCU=y | ||
| 14 | CONFIG_RCU_TORTURE_TEST=m | ||
| 15 | CONFIG_MODULE_UNLOAD=y | ||
| 16 | CONFIG_PROVE_LOCKING=y | ||
| 17 | CONFIG_PROVE_RCU=y | ||
| 18 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 19 | CONFIG_IKCONFIG=y | ||
| 20 | CONFIG_IKCONFIG_PROC=y | ||
| 21 | CONFIG_PRINTK_TIME=y | ||
| 22 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N4-A-t-NH-sd-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N4-A-t-NH-sd-SMP-HP deleted file mode 100644 index c56b44530725..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N4-A-t-NH-sd-SMP-HP +++ /dev/null | |||
| @@ -1,18 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=n | ||
| 2 | CONFIG_NO_HZ=y | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=6 | ||
| 5 | CONFIG_NR_CPUS=8 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=y | ||
| 8 | CONFIG_PREEMPT_NONE=y | ||
| 9 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 10 | CONFIG_PREEMPT=n | ||
| 11 | #CHECK#CONFIG_TREE_RCU=y | ||
| 12 | CONFIG_RCU_TORTURE_TEST=m | ||
| 13 | CONFIG_MODULE_UNLOAD=y | ||
| 14 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 15 | CONFIG_IKCONFIG=y | ||
| 16 | CONFIG_IKCONFIG_PROC=y | ||
| 17 | CONFIG_PRINTK_TIME=y | ||
| 18 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N5-U-T-NH-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N5-U-T-NH-sd-SMP-hp deleted file mode 100644 index 90d924fea9e9..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N5-U-T-NH-sd-SMP-hp +++ /dev/null | |||
| @@ -1,22 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_DEBUG_KERNEL=y | ||
| 3 | CONFIG_RCU_CPU_STALL_INFO=y | ||
| 4 | CONFIG_NO_HZ=y | ||
| 5 | CONFIG_SMP=y | ||
| 6 | CONFIG_RCU_FANOUT=6 | ||
| 7 | CONFIG_NR_CPUS=8 | ||
| 8 | CONFIG_RCU_FANOUT_EXACT=y | ||
| 9 | CONFIG_HOTPLUG_CPU=n | ||
| 10 | CONFIG_SUSPEND=n | ||
| 11 | CONFIG_HIBERNATION=n | ||
| 12 | CONFIG_PREEMPT_NONE=y | ||
| 13 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 14 | CONFIG_PREEMPT=n | ||
| 15 | #CHECK#CONFIG_TREE_RCU=y | ||
| 16 | CONFIG_RCU_TORTURE_TEST=m | ||
| 17 | CONFIG_MODULE_UNLOAD=y | ||
| 18 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 19 | CONFIG_IKCONFIG=y | ||
| 20 | CONFIG_IKCONFIG_PROC=y | ||
| 21 | CONFIG_PRINTK_TIME=y | ||
| 22 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/NT1-nh b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/NT1-nh deleted file mode 100644 index 023f312a931c..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/NT1-nh +++ /dev/null | |||
| @@ -1,23 +0,0 @@ | |||
| 1 | #CHECK#CONFIG_TINY_RCU=y | ||
| 2 | CONFIG_RCU_TRACE=y | ||
| 3 | CONFIG_RCU_TORTURE_TEST=m | ||
| 4 | CONFIG_MODULE_UNLOAD=y | ||
| 5 | CONFIG_SUSPEND=n | ||
| 6 | CONFIG_HIBERNATION=n | ||
| 7 | # | ||
| 8 | CONFIG_SMP=n | ||
| 9 | # | ||
| 10 | CONFIG_HOTPLUG_CPU=n | ||
| 11 | # | ||
| 12 | CONFIG_NO_HZ=n | ||
| 13 | # | ||
| 14 | CONFIG_PREEMPT_NONE=y | ||
| 15 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 16 | CONFIG_PREEMPT=n | ||
| 17 | CONFIG_PROVE_LOCKING=y | ||
| 18 | CONFIG_PROVE_RCU=y | ||
| 19 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 20 | CONFIG_IKCONFIG=y | ||
| 21 | CONFIG_IKCONFIG_PROC=y | ||
| 22 | CONFIG_PRINTK_TIME=y | ||
| 23 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/NT3-NH b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/NT3-NH deleted file mode 100644 index 6fd0235dae73..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/NT3-NH +++ /dev/null | |||
| @@ -1,20 +0,0 @@ | |||
| 1 | #CHECK#CONFIG_TINY_RCU=y | ||
| 2 | CONFIG_RCU_TORTURE_TEST=m | ||
| 3 | CONFIG_MODULE_UNLOAD=y | ||
| 4 | CONFIG_SUSPEND=n | ||
| 5 | CONFIG_HIBERNATION=n | ||
| 6 | # | ||
| 7 | CONFIG_SMP=n | ||
| 8 | # | ||
| 9 | CONFIG_HOTPLUG_CPU=n | ||
| 10 | # | ||
| 11 | CONFIG_NO_HZ=y | ||
| 12 | # | ||
| 13 | CONFIG_PREEMPT_NONE=y | ||
| 14 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 15 | CONFIG_PREEMPT=n | ||
| 16 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 17 | CONFIG_IKCONFIG=y | ||
| 18 | CONFIG_IKCONFIG_PROC=y | ||
| 19 | CONFIG_PRINTK_TIME=y | ||
| 20 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P1-S-T-NH-SD-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P1-S-T-NH-SD-SMP-HP deleted file mode 100644 index 9647c44cf4b7..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P1-S-T-NH-SD-SMP-HP +++ /dev/null | |||
| @@ -1,20 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_RCU_CPU_STALL_INFO=y | ||
| 3 | CONFIG_NO_HZ=y | ||
| 4 | CONFIG_RCU_FAST_NO_HZ=y | ||
| 5 | CONFIG_SMP=y | ||
| 6 | CONFIG_RCU_FANOUT=8 | ||
| 7 | CONFIG_NR_CPUS=8 | ||
| 8 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 9 | CONFIG_HOTPLUG_CPU=y | ||
| 10 | CONFIG_PREEMPT_NONE=n | ||
| 11 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 12 | CONFIG_PREEMPT=y | ||
| 13 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | ||
| 14 | CONFIG_RCU_TORTURE_TEST=m | ||
| 15 | CONFIG_MODULE_UNLOAD=y | ||
| 16 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 17 | CONFIG_IKCONFIG=y | ||
| 18 | CONFIG_IKCONFIG_PROC=y | ||
| 19 | CONFIG_PRINTK_TIME=y | ||
| 20 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P2-2-t-nh-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P2-2-t-nh-sd-SMP-hp deleted file mode 100644 index 0f3b667d2a9f..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P2-2-t-nh-sd-SMP-hp +++ /dev/null | |||
| @@ -1,20 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=n | ||
| 2 | CONFIG_NO_HZ=n | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=4 | ||
| 5 | CONFIG_NR_CPUS=8 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=n | ||
| 8 | CONFIG_SUSPEND=n | ||
| 9 | CONFIG_HIBERNATION=n | ||
| 10 | CONFIG_PREEMPT_NONE=n | ||
| 11 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 12 | CONFIG_PREEMPT=y | ||
| 13 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | ||
| 14 | CONFIG_RCU_TORTURE_TEST=m | ||
| 15 | CONFIG_MODULE_UNLOAD=y | ||
| 16 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 17 | CONFIG_IKCONFIG=y | ||
| 18 | CONFIG_IKCONFIG_PROC=y | ||
| 19 | CONFIG_PRINTK_TIME=y | ||
| 20 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P3-3-T-nh-SD-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P3-3-T-nh-SD-SMP-hp deleted file mode 100644 index b035e141bf2a..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P3-3-T-nh-SD-SMP-hp +++ /dev/null | |||
| @@ -1,20 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_NO_HZ=n | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=2 | ||
| 5 | CONFIG_NR_CPUS=8 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=n | ||
| 8 | CONFIG_SUSPEND=n | ||
| 9 | CONFIG_HIBERNATION=n | ||
| 10 | CONFIG_PREEMPT_NONE=n | ||
| 11 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 12 | CONFIG_PREEMPT=y | ||
| 13 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | ||
| 14 | CONFIG_RCU_TORTURE_TEST=m | ||
| 15 | CONFIG_MODULE_UNLOAD=y | ||
| 16 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 17 | CONFIG_IKCONFIG=y | ||
| 18 | CONFIG_IKCONFIG_PROC=y | ||
| 19 | CONFIG_PRINTK_TIME=y | ||
| 20 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P4-A-t-NH-sd-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P4-A-t-NH-sd-SMP-HP deleted file mode 100644 index 3ccf6a9447f5..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P4-A-t-NH-sd-SMP-HP +++ /dev/null | |||
| @@ -1,22 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=n | ||
| 2 | CONFIG_NO_HZ=y | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=6 | ||
| 5 | CONFIG_NR_CPUS=8 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=y | ||
| 8 | CONFIG_PREEMPT_NONE=n | ||
| 9 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 10 | CONFIG_PREEMPT=y | ||
| 11 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | ||
| 12 | CONFIG_RCU_TORTURE_TEST=m | ||
| 13 | CONFIG_MODULE_UNLOAD=y | ||
| 14 | CONFIG_RT_MUTEXES=y | ||
| 15 | CONFIG_RCU_BOOST=y | ||
| 16 | CONFIG_RCU_BOOST_PRIO=2 | ||
| 17 | CONFIG_PROVE_LOCKING=y | ||
| 18 | CONFIG_PROVE_RCU=y | ||
| 19 | CONFIG_IKCONFIG=y | ||
| 20 | CONFIG_IKCONFIG_PROC=y | ||
| 21 | CONFIG_PRINTK_TIME=y | ||
| 22 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P5-U-T-NH-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P5-U-T-NH-sd-SMP-hp deleted file mode 100644 index a55c00877fe4..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P5-U-T-NH-sd-SMP-hp +++ /dev/null | |||
| @@ -1,27 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_RCU_CPU_STALL_INFO=y | ||
| 3 | CONFIG_NO_HZ=y | ||
| 4 | CONFIG_SMP=y | ||
| 5 | CONFIG_RCU_FANOUT=6 | ||
| 6 | CONFIG_NR_CPUS=8 | ||
| 7 | CONFIG_RCU_FANOUT_EXACT=y | ||
| 8 | CONFIG_HOTPLUG_CPU=n | ||
| 9 | CONFIG_SUSPEND=n | ||
| 10 | CONFIG_HIBERNATION=n | ||
| 11 | CONFIG_PREEMPT_NONE=n | ||
| 12 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 13 | CONFIG_PREEMPT=y | ||
| 14 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | ||
| 15 | CONFIG_DEBUG_KERNEL=y | ||
| 16 | CONFIG_DEBUG_OBJECTS=y | ||
| 17 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=y | ||
| 18 | CONFIG_RT_MUTEXES=y | ||
| 19 | CONFIG_RCU_BOOST=y | ||
| 20 | CONFIG_RCU_BOOST_PRIO=2 | ||
| 21 | CONFIG_RCU_TORTURE_TEST=m | ||
| 22 | CONFIG_MODULE_UNLOAD=y | ||
| 23 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 24 | CONFIG_IKCONFIG=y | ||
| 25 | CONFIG_IKCONFIG_PROC=y | ||
| 26 | CONFIG_PRINTK_TIME=y | ||
| 27 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/PT1-nh b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/PT1-nh deleted file mode 100644 index e3361c3894a1..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/PT1-nh +++ /dev/null | |||
| @@ -1,23 +0,0 @@ | |||
| 1 | CONFIG_TINY_PREEMPT_RCU=y | ||
| 2 | CONFIG_RCU_BOOST=y | ||
| 3 | CONFIG_RCU_BOOST_PRIO=2 | ||
| 4 | CONFIG_RCU_TRACE=y | ||
| 5 | CONFIG_RCU_TORTURE_TEST=m | ||
| 6 | CONFIG_MODULE_UNLOAD=y | ||
| 7 | CONFIG_SUSPEND=n | ||
| 8 | CONFIG_HIBERNATION=n | ||
| 9 | # | ||
| 10 | CONFIG_SMP=n | ||
| 11 | # | ||
| 12 | CONFIG_HOTPLUG_CPU=n | ||
| 13 | # | ||
| 14 | CONFIG_NO_HZ=n | ||
| 15 | # | ||
| 16 | CONFIG_PREEMPT_NONE=n | ||
| 17 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 18 | CONFIG_PREEMPT=y | ||
| 19 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 20 | CONFIG_IKCONFIG=y | ||
| 21 | CONFIG_IKCONFIG_PROC=y | ||
| 22 | CONFIG_PRINTK_TIME=y | ||
| 23 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/PT2-NH b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/PT2-NH deleted file mode 100644 index 64abfc3b4d94..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/PT2-NH +++ /dev/null | |||
| @@ -1,22 +0,0 @@ | |||
| 1 | CONFIG_TINY_PREEMPT_RCU=y | ||
| 2 | CONFIG_RCU_TORTURE_TEST=m | ||
| 3 | CONFIG_MODULE_UNLOAD=y | ||
| 4 | CONFIG_SUSPEND=n | ||
| 5 | CONFIG_HIBERNATION=n | ||
| 6 | # | ||
| 7 | CONFIG_SMP=n | ||
| 8 | # | ||
| 9 | CONFIG_HOTPLUG_CPU=n | ||
| 10 | # | ||
| 11 | CONFIG_NO_HZ=y | ||
| 12 | # | ||
| 13 | CONFIG_PREEMPT_NONE=n | ||
| 14 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 15 | CONFIG_PREEMPT=y | ||
| 16 | CONFIG_PROVE_LOCKING=y | ||
| 17 | CONFIG_PROVE_RCU=y | ||
| 18 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 19 | CONFIG_IKCONFIG=y | ||
| 20 | CONFIG_IKCONFIG_PROC=y | ||
| 21 | CONFIG_PRINTK_TIME=y | ||
| 22 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/ver_functions.sh b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/ver_functions.sh deleted file mode 100644 index bae55692ce6e..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/ver_functions.sh +++ /dev/null | |||
| @@ -1,44 +0,0 @@ | |||
| 1 | #!/bin/bash | ||
| 2 | # | ||
| 3 | # Kernel-version-dependent shell functions for the rest of the scripts. | ||
| 4 | # | ||
| 5 | # This program is free software; you can redistribute it and/or modify | ||
| 6 | # it under the terms of the GNU General Public License as published by | ||
| 7 | # the Free Software Foundation; either version 2 of the License, or | ||
| 8 | # (at your option) any later version. | ||
| 9 | # | ||
| 10 | # This program is distributed in the hope that it will be useful, | ||
| 11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 13 | # GNU General Public License for more details. | ||
| 14 | # | ||
| 15 | # You should have received a copy of the GNU General Public License | ||
| 16 | # along with this program; if not, you can access it online at | ||
| 17 | # http://www.gnu.org/licenses/gpl-2.0.html. | ||
| 18 | # | ||
| 19 | # Copyright (C) IBM Corporation, 2013 | ||
| 20 | # | ||
| 21 | # Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> | ||
| 22 | |||
| 23 | # rcutorture_param_onoff bootparam-string config-file | ||
| 24 | # | ||
| 25 | # Adds onoff rcutorture module parameters to kernels having it. | ||
| 26 | rcutorture_param_onoff () { | ||
| 27 | if ! bootparam_hotplug_cpu "$1" && configfrag_hotplug_cpu "$2" | ||
| 28 | then | ||
| 29 | echo CPU-hotplug kernel, adding rcutorture onoff. 1>&2 | ||
| 30 | echo rcutorture.onoff_interval=3 rcutorture.onoff_holdoff=30 | ||
| 31 | fi | ||
| 32 | } | ||
| 33 | |||
| 34 | # per_version_boot_params bootparam-string config-file seconds | ||
| 35 | # | ||
| 36 | # Adds per-version torture-module parameters to kernels supporting them. | ||
| 37 | per_version_boot_params () { | ||
| 38 | echo $1 `rcutorture_param_onoff "$1" "$2"` \ | ||
| 39 | rcutorture.stat_interval=15 \ | ||
| 40 | rcutorture.shutdown_secs=$3 \ | ||
| 41 | rcutorture.rcutorture_runnable=1 \ | ||
| 42 | rcutorture.test_no_idle_hz=1 \ | ||
| 43 | rcutorture.verbose=1 | ||
| 44 | } | ||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/CFLIST b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/CFLIST deleted file mode 100644 index 18223947bbcb..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/CFLIST +++ /dev/null | |||
| @@ -1,14 +0,0 @@ | |||
| 1 | P1-S-T-NH-SD-SMP-HP | ||
| 2 | P2-2-t-nh-sd-SMP-hp | ||
| 3 | P3-3-T-nh-SD-SMP-hp | ||
| 4 | P4-A-t-NH-sd-SMP-HP | ||
| 5 | P5-U-T-NH-sd-SMP-hp | ||
| 6 | N1-S-T-NH-SD-SMP-HP | ||
| 7 | N2-2-t-nh-sd-SMP-hp | ||
| 8 | N3-3-T-nh-SD-SMP-hp | ||
| 9 | N4-A-t-NH-sd-SMP-HP | ||
| 10 | N5-U-T-NH-sd-SMP-hp | ||
| 11 | PT1-nh | ||
| 12 | PT2-NH | ||
| 13 | NT1-nh | ||
| 14 | NT3-NH | ||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N1-S-T-NH-SD-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N1-S-T-NH-SD-SMP-HP deleted file mode 100644 index d81e11d280aa..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N1-S-T-NH-SD-SMP-HP +++ /dev/null | |||
| @@ -1,19 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_RCU_FAST_NO_HZ=y | ||
| 3 | CONFIG_NO_HZ=y | ||
| 4 | CONFIG_SMP=y | ||
| 5 | CONFIG_RCU_FANOUT=8 | ||
| 6 | CONFIG_NR_CPUS=8 | ||
| 7 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 8 | CONFIG_HOTPLUG_CPU=y | ||
| 9 | CONFIG_PREEMPT_NONE=y | ||
| 10 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 11 | CONFIG_PREEMPT=n | ||
| 12 | #CHECK#CONFIG_TREE_RCU=y | ||
| 13 | CONFIG_RCU_TORTURE_TEST=m | ||
| 14 | CONFIG_MODULE_UNLOAD=y | ||
| 15 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 16 | CONFIG_IKCONFIG=y | ||
| 17 | CONFIG_IKCONFIG_PROC=y | ||
| 18 | CONFIG_PRINTK_TIME=y | ||
| 19 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N2-2-t-nh-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N2-2-t-nh-sd-SMP-hp deleted file mode 100644 index 02e418572b1b..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N2-2-t-nh-sd-SMP-hp +++ /dev/null | |||
| @@ -1,20 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=n | ||
| 2 | CONFIG_NO_HZ=n | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=4 | ||
| 5 | CONFIG_NR_CPUS=8 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=n | ||
| 8 | CONFIG_SUSPEND=n | ||
| 9 | CONFIG_HIBERNATION=n | ||
| 10 | CONFIG_PREEMPT_NONE=y | ||
| 11 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 12 | CONFIG_PREEMPT=n | ||
| 13 | #CHECK#CONFIG_TREE_RCU=y | ||
| 14 | CONFIG_RCU_TORTURE_TEST=m | ||
| 15 | CONFIG_MODULE_UNLOAD=y | ||
| 16 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 17 | CONFIG_IKCONFIG=y | ||
| 18 | CONFIG_IKCONFIG_PROC=y | ||
| 19 | CONFIG_PRINTK_TIME=y | ||
| 20 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N3-3-T-nh-SD-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N3-3-T-nh-SD-SMP-hp deleted file mode 100644 index b3100f69c8cf..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N3-3-T-nh-SD-SMP-hp +++ /dev/null | |||
| @@ -1,22 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_NO_HZ=n | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=2 | ||
| 5 | CONFIG_NR_CPUS=8 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=n | ||
| 8 | CONFIG_SUSPEND=n | ||
| 9 | CONFIG_HIBERNATION=n | ||
| 10 | CONFIG_PREEMPT_NONE=y | ||
| 11 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 12 | CONFIG_PREEMPT=n | ||
| 13 | #CHECK#CONFIG_TREE_RCU=y | ||
| 14 | CONFIG_RCU_TORTURE_TEST=m | ||
| 15 | CONFIG_MODULE_UNLOAD=y | ||
| 16 | CONFIG_PROVE_LOCKING=y | ||
| 17 | CONFIG_PROVE_RCU=y | ||
| 18 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 19 | CONFIG_IKCONFIG=y | ||
| 20 | CONFIG_IKCONFIG_PROC=y | ||
| 21 | CONFIG_PRINTK_TIME=y | ||
| 22 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N4-A-t-NH-sd-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N4-A-t-NH-sd-SMP-HP deleted file mode 100644 index c56b44530725..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N4-A-t-NH-sd-SMP-HP +++ /dev/null | |||
| @@ -1,18 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=n | ||
| 2 | CONFIG_NO_HZ=y | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=6 | ||
| 5 | CONFIG_NR_CPUS=8 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=y | ||
| 8 | CONFIG_PREEMPT_NONE=y | ||
| 9 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 10 | CONFIG_PREEMPT=n | ||
| 11 | #CHECK#CONFIG_TREE_RCU=y | ||
| 12 | CONFIG_RCU_TORTURE_TEST=m | ||
| 13 | CONFIG_MODULE_UNLOAD=y | ||
| 14 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 15 | CONFIG_IKCONFIG=y | ||
| 16 | CONFIG_IKCONFIG_PROC=y | ||
| 17 | CONFIG_PRINTK_TIME=y | ||
| 18 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N5-U-T-NH-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N5-U-T-NH-sd-SMP-hp deleted file mode 100644 index 90d924fea9e9..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N5-U-T-NH-sd-SMP-hp +++ /dev/null | |||
| @@ -1,22 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_DEBUG_KERNEL=y | ||
| 3 | CONFIG_RCU_CPU_STALL_INFO=y | ||
| 4 | CONFIG_NO_HZ=y | ||
| 5 | CONFIG_SMP=y | ||
| 6 | CONFIG_RCU_FANOUT=6 | ||
| 7 | CONFIG_NR_CPUS=8 | ||
| 8 | CONFIG_RCU_FANOUT_EXACT=y | ||
| 9 | CONFIG_HOTPLUG_CPU=n | ||
| 10 | CONFIG_SUSPEND=n | ||
| 11 | CONFIG_HIBERNATION=n | ||
| 12 | CONFIG_PREEMPT_NONE=y | ||
| 13 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 14 | CONFIG_PREEMPT=n | ||
| 15 | #CHECK#CONFIG_TREE_RCU=y | ||
| 16 | CONFIG_RCU_TORTURE_TEST=m | ||
| 17 | CONFIG_MODULE_UNLOAD=y | ||
| 18 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 19 | CONFIG_IKCONFIG=y | ||
| 20 | CONFIG_IKCONFIG_PROC=y | ||
| 21 | CONFIG_PRINTK_TIME=y | ||
| 22 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/NT1-nh b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/NT1-nh deleted file mode 100644 index 023f312a931c..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/NT1-nh +++ /dev/null | |||
| @@ -1,23 +0,0 @@ | |||
| 1 | #CHECK#CONFIG_TINY_RCU=y | ||
| 2 | CONFIG_RCU_TRACE=y | ||
| 3 | CONFIG_RCU_TORTURE_TEST=m | ||
| 4 | CONFIG_MODULE_UNLOAD=y | ||
| 5 | CONFIG_SUSPEND=n | ||
| 6 | CONFIG_HIBERNATION=n | ||
| 7 | # | ||
| 8 | CONFIG_SMP=n | ||
| 9 | # | ||
| 10 | CONFIG_HOTPLUG_CPU=n | ||
| 11 | # | ||
| 12 | CONFIG_NO_HZ=n | ||
| 13 | # | ||
| 14 | CONFIG_PREEMPT_NONE=y | ||
| 15 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 16 | CONFIG_PREEMPT=n | ||
| 17 | CONFIG_PROVE_LOCKING=y | ||
| 18 | CONFIG_PROVE_RCU=y | ||
| 19 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 20 | CONFIG_IKCONFIG=y | ||
| 21 | CONFIG_IKCONFIG_PROC=y | ||
| 22 | CONFIG_PRINTK_TIME=y | ||
| 23 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/NT3-NH b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/NT3-NH deleted file mode 100644 index 6fd0235dae73..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/NT3-NH +++ /dev/null | |||
| @@ -1,20 +0,0 @@ | |||
| 1 | #CHECK#CONFIG_TINY_RCU=y | ||
| 2 | CONFIG_RCU_TORTURE_TEST=m | ||
| 3 | CONFIG_MODULE_UNLOAD=y | ||
| 4 | CONFIG_SUSPEND=n | ||
| 5 | CONFIG_HIBERNATION=n | ||
| 6 | # | ||
| 7 | CONFIG_SMP=n | ||
| 8 | # | ||
| 9 | CONFIG_HOTPLUG_CPU=n | ||
| 10 | # | ||
| 11 | CONFIG_NO_HZ=y | ||
| 12 | # | ||
| 13 | CONFIG_PREEMPT_NONE=y | ||
| 14 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 15 | CONFIG_PREEMPT=n | ||
| 16 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 17 | CONFIG_IKCONFIG=y | ||
| 18 | CONFIG_IKCONFIG_PROC=y | ||
| 19 | CONFIG_PRINTK_TIME=y | ||
| 20 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P1-S-T-NH-SD-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P1-S-T-NH-SD-SMP-HP deleted file mode 100644 index 9647c44cf4b7..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P1-S-T-NH-SD-SMP-HP +++ /dev/null | |||
| @@ -1,20 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_RCU_CPU_STALL_INFO=y | ||
| 3 | CONFIG_NO_HZ=y | ||
| 4 | CONFIG_RCU_FAST_NO_HZ=y | ||
| 5 | CONFIG_SMP=y | ||
| 6 | CONFIG_RCU_FANOUT=8 | ||
| 7 | CONFIG_NR_CPUS=8 | ||
| 8 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 9 | CONFIG_HOTPLUG_CPU=y | ||
| 10 | CONFIG_PREEMPT_NONE=n | ||
| 11 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 12 | CONFIG_PREEMPT=y | ||
| 13 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | ||
| 14 | CONFIG_RCU_TORTURE_TEST=m | ||
| 15 | CONFIG_MODULE_UNLOAD=y | ||
| 16 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 17 | CONFIG_IKCONFIG=y | ||
| 18 | CONFIG_IKCONFIG_PROC=y | ||
| 19 | CONFIG_PRINTK_TIME=y | ||
| 20 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P2-2-t-nh-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P2-2-t-nh-sd-SMP-hp deleted file mode 100644 index 0f3b667d2a9f..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P2-2-t-nh-sd-SMP-hp +++ /dev/null | |||
| @@ -1,20 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=n | ||
| 2 | CONFIG_NO_HZ=n | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=4 | ||
| 5 | CONFIG_NR_CPUS=8 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=n | ||
| 8 | CONFIG_SUSPEND=n | ||
| 9 | CONFIG_HIBERNATION=n | ||
| 10 | CONFIG_PREEMPT_NONE=n | ||
| 11 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 12 | CONFIG_PREEMPT=y | ||
| 13 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | ||
| 14 | CONFIG_RCU_TORTURE_TEST=m | ||
| 15 | CONFIG_MODULE_UNLOAD=y | ||
| 16 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 17 | CONFIG_IKCONFIG=y | ||
| 18 | CONFIG_IKCONFIG_PROC=y | ||
| 19 | CONFIG_PRINTK_TIME=y | ||
| 20 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P3-3-T-nh-SD-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P3-3-T-nh-SD-SMP-hp deleted file mode 100644 index b035e141bf2a..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P3-3-T-nh-SD-SMP-hp +++ /dev/null | |||
| @@ -1,20 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_NO_HZ=n | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=2 | ||
| 5 | CONFIG_NR_CPUS=8 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=n | ||
| 8 | CONFIG_SUSPEND=n | ||
| 9 | CONFIG_HIBERNATION=n | ||
| 10 | CONFIG_PREEMPT_NONE=n | ||
| 11 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 12 | CONFIG_PREEMPT=y | ||
| 13 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | ||
| 14 | CONFIG_RCU_TORTURE_TEST=m | ||
| 15 | CONFIG_MODULE_UNLOAD=y | ||
| 16 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 17 | CONFIG_IKCONFIG=y | ||
| 18 | CONFIG_IKCONFIG_PROC=y | ||
| 19 | CONFIG_PRINTK_TIME=y | ||
| 20 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P4-A-t-NH-sd-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P4-A-t-NH-sd-SMP-HP deleted file mode 100644 index 3ccf6a9447f5..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P4-A-t-NH-sd-SMP-HP +++ /dev/null | |||
| @@ -1,22 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=n | ||
| 2 | CONFIG_NO_HZ=y | ||
| 3 | CONFIG_SMP=y | ||
| 4 | CONFIG_RCU_FANOUT=6 | ||
| 5 | CONFIG_NR_CPUS=8 | ||
| 6 | CONFIG_RCU_FANOUT_EXACT=n | ||
| 7 | CONFIG_HOTPLUG_CPU=y | ||
| 8 | CONFIG_PREEMPT_NONE=n | ||
| 9 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 10 | CONFIG_PREEMPT=y | ||
| 11 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | ||
| 12 | CONFIG_RCU_TORTURE_TEST=m | ||
| 13 | CONFIG_MODULE_UNLOAD=y | ||
| 14 | CONFIG_RT_MUTEXES=y | ||
| 15 | CONFIG_RCU_BOOST=y | ||
| 16 | CONFIG_RCU_BOOST_PRIO=2 | ||
| 17 | CONFIG_PROVE_LOCKING=y | ||
| 18 | CONFIG_PROVE_RCU=y | ||
| 19 | CONFIG_IKCONFIG=y | ||
| 20 | CONFIG_IKCONFIG_PROC=y | ||
| 21 | CONFIG_PRINTK_TIME=y | ||
| 22 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P5-U-T-NH-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P5-U-T-NH-sd-SMP-hp deleted file mode 100644 index a55c00877fe4..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P5-U-T-NH-sd-SMP-hp +++ /dev/null | |||
| @@ -1,27 +0,0 @@ | |||
| 1 | CONFIG_RCU_TRACE=y | ||
| 2 | CONFIG_RCU_CPU_STALL_INFO=y | ||
| 3 | CONFIG_NO_HZ=y | ||
| 4 | CONFIG_SMP=y | ||
| 5 | CONFIG_RCU_FANOUT=6 | ||
| 6 | CONFIG_NR_CPUS=8 | ||
| 7 | CONFIG_RCU_FANOUT_EXACT=y | ||
| 8 | CONFIG_HOTPLUG_CPU=n | ||
| 9 | CONFIG_SUSPEND=n | ||
| 10 | CONFIG_HIBERNATION=n | ||
| 11 | CONFIG_PREEMPT_NONE=n | ||
| 12 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 13 | CONFIG_PREEMPT=y | ||
| 14 | #CHECK#CONFIG_TREE_PREEMPT_RCU=y | ||
| 15 | CONFIG_DEBUG_KERNEL=y | ||
| 16 | CONFIG_DEBUG_OBJECTS=y | ||
| 17 | CONFIG_DEBUG_OBJECTS_RCU_HEAD=y | ||
| 18 | CONFIG_RT_MUTEXES=y | ||
| 19 | CONFIG_RCU_BOOST=y | ||
| 20 | CONFIG_RCU_BOOST_PRIO=2 | ||
| 21 | CONFIG_RCU_TORTURE_TEST=m | ||
| 22 | CONFIG_MODULE_UNLOAD=y | ||
| 23 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 24 | CONFIG_IKCONFIG=y | ||
| 25 | CONFIG_IKCONFIG_PROC=y | ||
| 26 | CONFIG_PRINTK_TIME=y | ||
| 27 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/PT1-nh b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/PT1-nh deleted file mode 100644 index e3361c3894a1..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/PT1-nh +++ /dev/null | |||
| @@ -1,23 +0,0 @@ | |||
| 1 | CONFIG_TINY_PREEMPT_RCU=y | ||
| 2 | CONFIG_RCU_BOOST=y | ||
| 3 | CONFIG_RCU_BOOST_PRIO=2 | ||
| 4 | CONFIG_RCU_TRACE=y | ||
| 5 | CONFIG_RCU_TORTURE_TEST=m | ||
| 6 | CONFIG_MODULE_UNLOAD=y | ||
| 7 | CONFIG_SUSPEND=n | ||
| 8 | CONFIG_HIBERNATION=n | ||
| 9 | # | ||
| 10 | CONFIG_SMP=n | ||
| 11 | # | ||
| 12 | CONFIG_HOTPLUG_CPU=n | ||
| 13 | # | ||
| 14 | CONFIG_NO_HZ=n | ||
| 15 | # | ||
| 16 | CONFIG_PREEMPT_NONE=n | ||
| 17 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 18 | CONFIG_PREEMPT=y | ||
| 19 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 20 | CONFIG_IKCONFIG=y | ||
| 21 | CONFIG_IKCONFIG_PROC=y | ||
| 22 | CONFIG_PRINTK_TIME=y | ||
| 23 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/PT2-NH b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/PT2-NH deleted file mode 100644 index 64abfc3b4d94..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/PT2-NH +++ /dev/null | |||
| @@ -1,22 +0,0 @@ | |||
| 1 | CONFIG_TINY_PREEMPT_RCU=y | ||
| 2 | CONFIG_RCU_TORTURE_TEST=m | ||
| 3 | CONFIG_MODULE_UNLOAD=y | ||
| 4 | CONFIG_SUSPEND=n | ||
| 5 | CONFIG_HIBERNATION=n | ||
| 6 | # | ||
| 7 | CONFIG_SMP=n | ||
| 8 | # | ||
| 9 | CONFIG_HOTPLUG_CPU=n | ||
| 10 | # | ||
| 11 | CONFIG_NO_HZ=y | ||
| 12 | # | ||
| 13 | CONFIG_PREEMPT_NONE=n | ||
| 14 | CONFIG_PREEMPT_VOLUNTARY=n | ||
| 15 | CONFIG_PREEMPT=y | ||
| 16 | CONFIG_PROVE_LOCKING=y | ||
| 17 | CONFIG_PROVE_RCU=y | ||
| 18 | CONFIG_SYSFS_DEPRECATED_V2=y | ||
| 19 | CONFIG_IKCONFIG=y | ||
| 20 | CONFIG_IKCONFIG_PROC=y | ||
| 21 | CONFIG_PRINTK_TIME=y | ||
| 22 | |||
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/ver_functions.sh b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/ver_functions.sh deleted file mode 100644 index 8977d8d31b19..000000000000 --- a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/ver_functions.sh +++ /dev/null | |||
| @@ -1,57 +0,0 @@ | |||
| 1 | #!/bin/bash | ||
| 2 | # | ||
| 3 | # Kernel-version-dependent shell functions for the rest of the scripts. | ||
| 4 | # | ||
| 5 | # This program is free software; you can redistribute it and/or modify | ||
| 6 | # it under the terms of the GNU General Public License as published by | ||
| 7 | # the Free Software Foundation; either version 2 of the License, or | ||
| 8 | # (at your option) any later version. | ||
| 9 | # | ||
| 10 | # This program is distributed in the hope that it will be useful, | ||
| 11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 13 | # GNU General Public License for more details. | ||
| 14 | # | ||
| 15 | # You should have received a copy of the GNU General Public License | ||
| 16 | # along with this program; if not, you can access it online at | ||
| 17 | # http://www.gnu.org/licenses/gpl-2.0.html. | ||
| 18 | # | ||
| 19 | # Copyright (C) IBM Corporation, 2013 | ||
| 20 | # | ||
| 21 | # Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> | ||
| 22 | |||
| 23 | # rcutorture_param_n_barrier_cbs bootparam-string | ||
| 24 | # | ||
| 25 | # Adds n_barrier_cbs rcutorture module parameter to kernels having it. | ||
| 26 | rcutorture_param_n_barrier_cbs () { | ||
| 27 | if echo $1 | grep -q "rcutorture\.n_barrier_cbs" | ||
| 28 | then | ||
| 29 | : | ||
| 30 | else | ||
| 31 | echo rcutorture.n_barrier_cbs=4 | ||
| 32 | fi | ||
| 33 | } | ||
| 34 | |||
| 35 | # rcutorture_param_onoff bootparam-string config-file | ||
| 36 | # | ||
| 37 | # Adds onoff rcutorture module parameters to kernels having it. | ||
| 38 | rcutorture_param_onoff () { | ||
| 39 | if ! bootparam_hotplug_cpu "$1" && configfrag_hotplug_cpu "$2" | ||
| 40 | then | ||
| 41 | echo CPU-hotplug kernel, adding rcutorture onoff. 1>&2 | ||
| 42 | echo rcutorture.onoff_interval=3 rcutorture.onoff_holdoff=30 | ||
| 43 | fi | ||
| 44 | } | ||
| 45 | |||
| 46 | # per_version_boot_params bootparam-string config-file seconds | ||
| 47 | # | ||
| 48 | # Adds per-version torture-module parameters to kernels supporting them. | ||
| 49 | per_version_boot_params () { | ||
| 50 | echo $1 `rcutorture_param_onoff "$1" "$2"` \ | ||
| 51 | `rcutorture_param_n_barrier_cbs "$1"` \ | ||
| 52 | rcutorture.stat_interval=15 \ | ||
| 53 | rcutorture.shutdown_secs=$3 \ | ||
| 54 | rcutorture.rcutorture_runnable=1 \ | ||
| 55 | rcutorture.test_no_idle_hz=1 \ | ||
| 56 | rcutorture.verbose=1 | ||
| 57 | } | ||
diff --git a/tools/testing/selftests/rcutorture/doc/TINY_RCU.txt b/tools/testing/selftests/rcutorture/doc/TINY_RCU.txt index 28db67b54e55..9ef33a743b73 100644 --- a/tools/testing/selftests/rcutorture/doc/TINY_RCU.txt +++ b/tools/testing/selftests/rcutorture/doc/TINY_RCU.txt | |||
| @@ -34,7 +34,7 @@ CONFIG_PREEMPT | |||
| 34 | CONFIG_PREEMPT_RCU | 34 | CONFIG_PREEMPT_RCU |
| 35 | CONFIG_SMP | 35 | CONFIG_SMP |
| 36 | CONFIG_TINY_RCU | 36 | CONFIG_TINY_RCU |
| 37 | CONFIG_TREE_PREEMPT_RCU | 37 | CONFIG_PREEMPT_RCU |
| 38 | CONFIG_TREE_RCU | 38 | CONFIG_TREE_RCU |
| 39 | 39 | ||
| 40 | All forced by CONFIG_TINY_RCU. | 40 | All forced by CONFIG_TINY_RCU. |
diff --git a/tools/testing/selftests/rcutorture/doc/TREE_RCU-kconfig.txt b/tools/testing/selftests/rcutorture/doc/TREE_RCU-kconfig.txt index 3e588db86a17..ec03c883db00 100644 --- a/tools/testing/selftests/rcutorture/doc/TREE_RCU-kconfig.txt +++ b/tools/testing/selftests/rcutorture/doc/TREE_RCU-kconfig.txt | |||
| @@ -1,5 +1,5 @@ | |||
| 1 | This document gives a brief rationale for the TREE_RCU-related test | 1 | This document gives a brief rationale for the TREE_RCU-related test |
| 2 | cases, a group that includes TREE_PREEMPT_RCU. | 2 | cases, a group that includes PREEMPT_RCU. |
| 3 | 3 | ||
| 4 | 4 | ||
| 5 | Kconfig Parameters: | 5 | Kconfig Parameters: |
| @@ -14,10 +14,9 @@ CONFIG_NO_HZ_FULL_SYSIDLE -- Do one. | |||
| 14 | CONFIG_PREEMPT -- Do half. (First three and #8.) | 14 | CONFIG_PREEMPT -- Do half. (First three and #8.) |
| 15 | CONFIG_PROVE_LOCKING -- Do all but two, covering CONFIG_PROVE_RCU and not. | 15 | CONFIG_PROVE_LOCKING -- Do all but two, covering CONFIG_PROVE_RCU and not. |
| 16 | CONFIG_PROVE_RCU -- Do all but one under CONFIG_PROVE_LOCKING. | 16 | CONFIG_PROVE_RCU -- Do all but one under CONFIG_PROVE_LOCKING. |
| 17 | CONFIG_RCU_BOOST -- one of TREE_PREEMPT_RCU. | 17 | CONFIG_RCU_BOOST -- one of PREEMPT_RCU. |
| 18 | CONFIG_RCU_BOOST_PRIO -- set to 2 for _BOOST testing. | 18 | CONFIG_RCU_KTHREAD_PRIO -- set to 2 for _BOOST testing. |
| 19 | CONFIG_RCU_CPU_STALL_INFO -- do one with and without _VERBOSE. | 19 | CONFIG_RCU_CPU_STALL_INFO -- Do one. |
| 20 | CONFIG_RCU_CPU_STALL_VERBOSE -- do one with and without _INFO. | ||
| 21 | CONFIG_RCU_FANOUT -- Cover hierarchy as currently, but overlap with others. | 20 | CONFIG_RCU_FANOUT -- Cover hierarchy as currently, but overlap with others. |
| 22 | CONFIG_RCU_FANOUT_EXACT -- Do one. | 21 | CONFIG_RCU_FANOUT_EXACT -- Do one. |
| 23 | CONFIG_RCU_FANOUT_LEAF -- Do one non-default. | 22 | CONFIG_RCU_FANOUT_LEAF -- Do one non-default. |
| @@ -27,7 +26,7 @@ CONFIG_RCU_NOCB_CPU_ALL -- Do one. | |||
| 27 | CONFIG_RCU_NOCB_CPU_NONE -- Do one. | 26 | CONFIG_RCU_NOCB_CPU_NONE -- Do one. |
| 28 | CONFIG_RCU_NOCB_CPU_ZERO -- Do one. | 27 | CONFIG_RCU_NOCB_CPU_ZERO -- Do one. |
| 29 | CONFIG_RCU_TRACE -- Do half. | 28 | CONFIG_RCU_TRACE -- Do half. |
| 30 | CONFIG_SMP -- Need one !SMP for TREE_PREEMPT_RCU. | 29 | CONFIG_SMP -- Need one !SMP for PREEMPT_RCU. |
| 31 | RCU-bh: Do one with PREEMPT and one with !PREEMPT. | 30 | RCU-bh: Do one with PREEMPT and one with !PREEMPT. |
| 32 | RCU-sched: Do one with PREEMPT but not BOOST. | 31 | RCU-sched: Do one with PREEMPT but not BOOST. |
| 33 | 32 | ||
| @@ -77,7 +76,7 @@ CONFIG_RCU_CPU_STALL_TIMEOUT | |||
| 77 | 76 | ||
| 78 | CONFIG_RCU_STALL_COMMON | 77 | CONFIG_RCU_STALL_COMMON |
| 79 | 78 | ||
| 80 | Implied by TREE_RCU and TREE_PREEMPT_RCU. | 79 | Implied by TREE_RCU and PREEMPT_RCU. |
| 81 | 80 | ||
| 82 | CONFIG_RCU_TORTURE_TEST | 81 | CONFIG_RCU_TORTURE_TEST |
| 83 | CONFIG_RCU_TORTURE_TEST_RUNNABLE | 82 | CONFIG_RCU_TORTURE_TEST_RUNNABLE |
| @@ -88,7 +87,7 @@ CONFIG_RCU_USER_QS | |||
| 88 | 87 | ||
| 89 | Redundant with CONFIG_NO_HZ_FULL. | 88 | Redundant with CONFIG_NO_HZ_FULL. |
| 90 | 89 | ||
| 91 | CONFIG_TREE_PREEMPT_RCU | 90 | CONFIG_PREEMPT_RCU |
| 92 | CONFIG_TREE_RCU | 91 | CONFIG_TREE_RCU |
| 93 | 92 | ||
| 94 | These are controlled by CONFIG_PREEMPT. | 93 | These are controlled by CONFIG_PREEMPT. |
