diff options
-rw-r--r-- | include/linux/rcupdate.h | 14 | ||||
-rw-r--r-- | kernel/rcutree.c | 10 |
2 files changed, 12 insertions, 12 deletions
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index 70331218e4b4..3ebd0b7bcb08 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h | |||
@@ -77,7 +77,7 @@ extern int rcu_scheduler_active; | |||
77 | #error "Unknown RCU implementation specified to kernel configuration" | 77 | #error "Unknown RCU implementation specified to kernel configuration" |
78 | #endif | 78 | #endif |
79 | 79 | ||
80 | #define RCU_HEAD_INIT { .next = NULL, .func = NULL } | 80 | #define RCU_HEAD_INIT { .next = NULL, .func = NULL } |
81 | #define RCU_HEAD(head) struct rcu_head head = RCU_HEAD_INIT | 81 | #define RCU_HEAD(head) struct rcu_head head = RCU_HEAD_INIT |
82 | #define INIT_RCU_HEAD(ptr) do { \ | 82 | #define INIT_RCU_HEAD(ptr) do { \ |
83 | (ptr)->next = NULL; (ptr)->func = NULL; \ | 83 | (ptr)->next = NULL; (ptr)->func = NULL; \ |
@@ -129,12 +129,6 @@ static inline void rcu_read_lock(void) | |||
129 | rcu_read_acquire(); | 129 | rcu_read_acquire(); |
130 | } | 130 | } |
131 | 131 | ||
132 | /** | ||
133 | * rcu_read_unlock - marks the end of an RCU read-side critical section. | ||
134 | * | ||
135 | * See rcu_read_lock() for more information. | ||
136 | */ | ||
137 | |||
138 | /* | 132 | /* |
139 | * So where is rcu_write_lock()? It does not exist, as there is no | 133 | * So where is rcu_write_lock()? It does not exist, as there is no |
140 | * way for writers to lock out RCU readers. This is a feature, not | 134 | * way for writers to lock out RCU readers. This is a feature, not |
@@ -144,6 +138,12 @@ static inline void rcu_read_lock(void) | |||
144 | * used as well. RCU does not care how the writers keep out of each | 138 | * used as well. RCU does not care how the writers keep out of each |
145 | * others' way, as long as they do so. | 139 | * others' way, as long as they do so. |
146 | */ | 140 | */ |
141 | |||
142 | /** | ||
143 | * rcu_read_unlock - marks the end of an RCU read-side critical section. | ||
144 | * | ||
145 | * See rcu_read_lock() for more information. | ||
146 | */ | ||
147 | static inline void rcu_read_unlock(void) | 147 | static inline void rcu_read_unlock(void) |
148 | { | 148 | { |
149 | rcu_read_release(); | 149 | rcu_read_release(); |
diff --git a/kernel/rcutree.c b/kernel/rcutree.c index 81af59b8dd88..d5597830faf5 100644 --- a/kernel/rcutree.c +++ b/kernel/rcutree.c | |||
@@ -122,6 +122,10 @@ static int blimit = 10; /* Maximum callbacks per softirq. */ | |||
122 | static int qhimark = 10000; /* If this many pending, ignore blimit. */ | 122 | static int qhimark = 10000; /* If this many pending, ignore blimit. */ |
123 | static int qlowmark = 100; /* Once only this many pending, use blimit. */ | 123 | static int qlowmark = 100; /* Once only this many pending, use blimit. */ |
124 | 124 | ||
125 | module_param(blimit, int, 0); | ||
126 | module_param(qhimark, int, 0); | ||
127 | module_param(qlowmark, int, 0); | ||
128 | |||
125 | static void force_quiescent_state(struct rcu_state *rsp, int relaxed); | 129 | static void force_quiescent_state(struct rcu_state *rsp, int relaxed); |
126 | static int rcu_pending(int cpu); | 130 | static int rcu_pending(int cpu); |
127 | 131 | ||
@@ -878,8 +882,8 @@ static void __rcu_offline_cpu(int cpu, struct rcu_state *rsp) | |||
878 | * indefinitely delay callbacks, you have far worse things to | 882 | * indefinitely delay callbacks, you have far worse things to |
879 | * be worrying about. | 883 | * be worrying about. |
880 | */ | 884 | */ |
881 | rdp_me = rsp->rda[smp_processor_id()]; | ||
882 | if (rdp->nxtlist != NULL) { | 885 | if (rdp->nxtlist != NULL) { |
886 | rdp_me = rsp->rda[smp_processor_id()]; | ||
883 | *rdp_me->nxttail[RCU_NEXT_TAIL] = rdp->nxtlist; | 887 | *rdp_me->nxttail[RCU_NEXT_TAIL] = rdp->nxtlist; |
884 | rdp_me->nxttail[RCU_NEXT_TAIL] = rdp->nxttail[RCU_NEXT_TAIL]; | 888 | rdp_me->nxttail[RCU_NEXT_TAIL] = rdp->nxttail[RCU_NEXT_TAIL]; |
885 | rdp->nxtlist = NULL; | 889 | rdp->nxtlist = NULL; |
@@ -1575,7 +1579,3 @@ void __init __rcu_init(void) | |||
1575 | } | 1579 | } |
1576 | 1580 | ||
1577 | #include "rcutree_plugin.h" | 1581 | #include "rcutree_plugin.h" |
1578 | |||
1579 | module_param(blimit, int, 0); | ||
1580 | module_param(qhimark, int, 0); | ||
1581 | module_param(qlowmark, int, 0); | ||