diff options
-rw-r--r-- | drivers/char/random.c | 6 | ||||
-rw-r--r-- | fs/dcache.c | 2 | ||||
-rw-r--r-- | include/linux/idr.h | 2 | ||||
-rw-r--r-- | include/linux/init_task.h | 10 | ||||
-rw-r--r-- | include/linux/notifier.h | 2 | ||||
-rw-r--r-- | include/linux/seqlock.h | 12 | ||||
-rw-r--r-- | include/linux/spinlock_types.h | 15 | ||||
-rw-r--r-- | include/linux/wait.h | 2 | ||||
-rw-r--r-- | kernel/rcupdate.c | 4 | ||||
-rw-r--r-- | kernel/timer.c | 2 | ||||
-rw-r--r-- | mm/swap_state.c | 2 | ||||
-rw-r--r-- | net/ipv4/tcp_ipv4.c | 2 | ||||
-rw-r--r-- | net/ipv4/tcp_minisocks.c | 2 |
13 files changed, 37 insertions, 26 deletions
diff --git a/drivers/char/random.c b/drivers/char/random.c index 164bddae047f..4c3a5ca9d8f7 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c | |||
@@ -416,7 +416,7 @@ static struct entropy_store input_pool = { | |||
416 | .poolinfo = &poolinfo_table[0], | 416 | .poolinfo = &poolinfo_table[0], |
417 | .name = "input", | 417 | .name = "input", |
418 | .limit = 1, | 418 | .limit = 1, |
419 | .lock = SPIN_LOCK_UNLOCKED, | 419 | .lock = __SPIN_LOCK_UNLOCKED(&input_pool.lock), |
420 | .pool = input_pool_data | 420 | .pool = input_pool_data |
421 | }; | 421 | }; |
422 | 422 | ||
@@ -425,7 +425,7 @@ static struct entropy_store blocking_pool = { | |||
425 | .name = "blocking", | 425 | .name = "blocking", |
426 | .limit = 1, | 426 | .limit = 1, |
427 | .pull = &input_pool, | 427 | .pull = &input_pool, |
428 | .lock = SPIN_LOCK_UNLOCKED, | 428 | .lock = __SPIN_LOCK_UNLOCKED(&blocking_pool.lock), |
429 | .pool = blocking_pool_data | 429 | .pool = blocking_pool_data |
430 | }; | 430 | }; |
431 | 431 | ||
@@ -433,7 +433,7 @@ static struct entropy_store nonblocking_pool = { | |||
433 | .poolinfo = &poolinfo_table[1], | 433 | .poolinfo = &poolinfo_table[1], |
434 | .name = "nonblocking", | 434 | .name = "nonblocking", |
435 | .pull = &input_pool, | 435 | .pull = &input_pool, |
436 | .lock = SPIN_LOCK_UNLOCKED, | 436 | .lock = __SPIN_LOCK_UNLOCKED(&nonblocking_pool.lock), |
437 | .pool = nonblocking_pool_data | 437 | .pool = nonblocking_pool_data |
438 | }; | 438 | }; |
439 | 439 | ||
diff --git a/fs/dcache.c b/fs/dcache.c index c6e3535be192..bec4de176c81 100644 --- a/fs/dcache.c +++ b/fs/dcache.c | |||
@@ -38,7 +38,7 @@ int sysctl_vfs_cache_pressure __read_mostly = 100; | |||
38 | EXPORT_SYMBOL_GPL(sysctl_vfs_cache_pressure); | 38 | EXPORT_SYMBOL_GPL(sysctl_vfs_cache_pressure); |
39 | 39 | ||
40 | __cacheline_aligned_in_smp DEFINE_SPINLOCK(dcache_lock); | 40 | __cacheline_aligned_in_smp DEFINE_SPINLOCK(dcache_lock); |
41 | static seqlock_t rename_lock __cacheline_aligned_in_smp = SEQLOCK_UNLOCKED; | 41 | static __cacheline_aligned_in_smp DEFINE_SEQLOCK(rename_lock); |
42 | 42 | ||
43 | EXPORT_SYMBOL(dcache_lock); | 43 | EXPORT_SYMBOL(dcache_lock); |
44 | 44 | ||
diff --git a/include/linux/idr.h b/include/linux/idr.h index f559a719dbe8..826803449db7 100644 --- a/include/linux/idr.h +++ b/include/linux/idr.h | |||
@@ -66,7 +66,7 @@ struct idr { | |||
66 | .id_free = NULL, \ | 66 | .id_free = NULL, \ |
67 | .layers = 0, \ | 67 | .layers = 0, \ |
68 | .id_free_cnt = 0, \ | 68 | .id_free_cnt = 0, \ |
69 | .lock = SPIN_LOCK_UNLOCKED, \ | 69 | .lock = __SPIN_LOCK_UNLOCKED(name.lock), \ |
70 | } | 70 | } |
71 | #define DEFINE_IDR(name) struct idr name = IDR_INIT(name) | 71 | #define DEFINE_IDR(name) struct idr name = IDR_INIT(name) |
72 | 72 | ||
diff --git a/include/linux/init_task.h b/include/linux/init_task.h index 678c1a90380d..1b7bb37624bb 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h | |||
@@ -21,7 +21,7 @@ | |||
21 | .count = ATOMIC_INIT(1), \ | 21 | .count = ATOMIC_INIT(1), \ |
22 | .fdt = &init_files.fdtab, \ | 22 | .fdt = &init_files.fdtab, \ |
23 | .fdtab = INIT_FDTABLE, \ | 23 | .fdtab = INIT_FDTABLE, \ |
24 | .file_lock = SPIN_LOCK_UNLOCKED, \ | 24 | .file_lock = __SPIN_LOCK_UNLOCKED(init_task.file_lock), \ |
25 | .next_fd = 0, \ | 25 | .next_fd = 0, \ |
26 | .close_on_exec_init = { { 0, } }, \ | 26 | .close_on_exec_init = { { 0, } }, \ |
27 | .open_fds_init = { { 0, } }, \ | 27 | .open_fds_init = { { 0, } }, \ |
@@ -36,7 +36,7 @@ | |||
36 | .user_id = 0, \ | 36 | .user_id = 0, \ |
37 | .next = NULL, \ | 37 | .next = NULL, \ |
38 | .wait = __WAIT_QUEUE_HEAD_INITIALIZER(name.wait), \ | 38 | .wait = __WAIT_QUEUE_HEAD_INITIALIZER(name.wait), \ |
39 | .ctx_lock = SPIN_LOCK_UNLOCKED, \ | 39 | .ctx_lock = __SPIN_LOCK_UNLOCKED(name.ctx_lock), \ |
40 | .reqs_active = 0U, \ | 40 | .reqs_active = 0U, \ |
41 | .max_reqs = ~0U, \ | 41 | .max_reqs = ~0U, \ |
42 | } | 42 | } |
@@ -48,7 +48,7 @@ | |||
48 | .mm_users = ATOMIC_INIT(2), \ | 48 | .mm_users = ATOMIC_INIT(2), \ |
49 | .mm_count = ATOMIC_INIT(1), \ | 49 | .mm_count = ATOMIC_INIT(1), \ |
50 | .mmap_sem = __RWSEM_INITIALIZER(name.mmap_sem), \ | 50 | .mmap_sem = __RWSEM_INITIALIZER(name.mmap_sem), \ |
51 | .page_table_lock = SPIN_LOCK_UNLOCKED, \ | 51 | .page_table_lock = __SPIN_LOCK_UNLOCKED(name.page_table_lock), \ |
52 | .mmlist = LIST_HEAD_INIT(name.mmlist), \ | 52 | .mmlist = LIST_HEAD_INIT(name.mmlist), \ |
53 | .cpu_vm_mask = CPU_MASK_ALL, \ | 53 | .cpu_vm_mask = CPU_MASK_ALL, \ |
54 | } | 54 | } |
@@ -69,7 +69,7 @@ | |||
69 | #define INIT_SIGHAND(sighand) { \ | 69 | #define INIT_SIGHAND(sighand) { \ |
70 | .count = ATOMIC_INIT(1), \ | 70 | .count = ATOMIC_INIT(1), \ |
71 | .action = { { { .sa_handler = NULL, } }, }, \ | 71 | .action = { { { .sa_handler = NULL, } }, }, \ |
72 | .siglock = SPIN_LOCK_UNLOCKED, \ | 72 | .siglock = __SPIN_LOCK_UNLOCKED(sighand.siglock), \ |
73 | } | 73 | } |
74 | 74 | ||
75 | extern struct group_info init_groups; | 75 | extern struct group_info init_groups; |
@@ -119,7 +119,7 @@ extern struct group_info init_groups; | |||
119 | .list = LIST_HEAD_INIT(tsk.pending.list), \ | 119 | .list = LIST_HEAD_INIT(tsk.pending.list), \ |
120 | .signal = {{0}}}, \ | 120 | .signal = {{0}}}, \ |
121 | .blocked = {{0}}, \ | 121 | .blocked = {{0}}, \ |
122 | .alloc_lock = SPIN_LOCK_UNLOCKED, \ | 122 | .alloc_lock = __SPIN_LOCK_UNLOCKED(tsk.alloc_lock), \ |
123 | .journal_info = NULL, \ | 123 | .journal_info = NULL, \ |
124 | .cpu_timers = INIT_CPU_TIMERS(tsk.cpu_timers), \ | 124 | .cpu_timers = INIT_CPU_TIMERS(tsk.cpu_timers), \ |
125 | .fs_excl = ATOMIC_INIT(0), \ | 125 | .fs_excl = ATOMIC_INIT(0), \ |
diff --git a/include/linux/notifier.h b/include/linux/notifier.h index 51dbab9710c7..7ff386a6ae87 100644 --- a/include/linux/notifier.h +++ b/include/linux/notifier.h | |||
@@ -65,7 +65,7 @@ struct raw_notifier_head { | |||
65 | } while (0) | 65 | } while (0) |
66 | 66 | ||
67 | #define ATOMIC_NOTIFIER_INIT(name) { \ | 67 | #define ATOMIC_NOTIFIER_INIT(name) { \ |
68 | .lock = SPIN_LOCK_UNLOCKED, \ | 68 | .lock = __SPIN_LOCK_UNLOCKED(name.lock), \ |
69 | .head = NULL } | 69 | .head = NULL } |
70 | #define BLOCKING_NOTIFIER_INIT(name) { \ | 70 | #define BLOCKING_NOTIFIER_INIT(name) { \ |
71 | .rwsem = __RWSEM_INITIALIZER((name).rwsem), \ | 71 | .rwsem = __RWSEM_INITIALIZER((name).rwsem), \ |
diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h index 7bc5c7c12b54..46000936f8f1 100644 --- a/include/linux/seqlock.h +++ b/include/linux/seqlock.h | |||
@@ -38,9 +38,17 @@ typedef struct { | |||
38 | * These macros triggered gcc-3.x compile-time problems. We think these are | 38 | * These macros triggered gcc-3.x compile-time problems. We think these are |
39 | * OK now. Be cautious. | 39 | * OK now. Be cautious. |
40 | */ | 40 | */ |
41 | #define SEQLOCK_UNLOCKED { 0, SPIN_LOCK_UNLOCKED } | 41 | #define __SEQLOCK_UNLOCKED(lockname) \ |
42 | #define seqlock_init(x) do { *(x) = (seqlock_t) SEQLOCK_UNLOCKED; } while (0) | 42 | { 0, __SPIN_LOCK_UNLOCKED(lockname) } |
43 | 43 | ||
44 | #define SEQLOCK_UNLOCKED \ | ||
45 | __SEQLOCK_UNLOCKED(old_style_seqlock_init) | ||
46 | |||
47 | #define seqlock_init(x) \ | ||
48 | do { *(x) = (seqlock_t) __SEQLOCK_UNLOCKED(x); } while (0) | ||
49 | |||
50 | #define DEFINE_SEQLOCK(x) \ | ||
51 | seqlock_t x = __SEQLOCK_UNLOCKED(x) | ||
44 | 52 | ||
45 | /* Lock out other writers and update the count. | 53 | /* Lock out other writers and update the count. |
46 | * Acts like a normal spin_lock/unlock. | 54 | * Acts like a normal spin_lock/unlock. |
diff --git a/include/linux/spinlock_types.h b/include/linux/spinlock_types.h index 9cb51e070390..f5d4ed7bc785 100644 --- a/include/linux/spinlock_types.h +++ b/include/linux/spinlock_types.h | |||
@@ -44,24 +44,27 @@ typedef struct { | |||
44 | #define SPINLOCK_OWNER_INIT ((void *)-1L) | 44 | #define SPINLOCK_OWNER_INIT ((void *)-1L) |
45 | 45 | ||
46 | #ifdef CONFIG_DEBUG_SPINLOCK | 46 | #ifdef CONFIG_DEBUG_SPINLOCK |
47 | # define SPIN_LOCK_UNLOCKED \ | 47 | # define __SPIN_LOCK_UNLOCKED(lockname) \ |
48 | (spinlock_t) { .raw_lock = __RAW_SPIN_LOCK_UNLOCKED, \ | 48 | (spinlock_t) { .raw_lock = __RAW_SPIN_LOCK_UNLOCKED, \ |
49 | .magic = SPINLOCK_MAGIC, \ | 49 | .magic = SPINLOCK_MAGIC, \ |
50 | .owner = SPINLOCK_OWNER_INIT, \ | 50 | .owner = SPINLOCK_OWNER_INIT, \ |
51 | .owner_cpu = -1 } | 51 | .owner_cpu = -1 } |
52 | #define RW_LOCK_UNLOCKED \ | 52 | #define __RW_LOCK_UNLOCKED(lockname) \ |
53 | (rwlock_t) { .raw_lock = __RAW_RW_LOCK_UNLOCKED, \ | 53 | (rwlock_t) { .raw_lock = __RAW_RW_LOCK_UNLOCKED, \ |
54 | .magic = RWLOCK_MAGIC, \ | 54 | .magic = RWLOCK_MAGIC, \ |
55 | .owner = SPINLOCK_OWNER_INIT, \ | 55 | .owner = SPINLOCK_OWNER_INIT, \ |
56 | .owner_cpu = -1 } | 56 | .owner_cpu = -1 } |
57 | #else | 57 | #else |
58 | # define SPIN_LOCK_UNLOCKED \ | 58 | # define __SPIN_LOCK_UNLOCKED(lockname) \ |
59 | (spinlock_t) { .raw_lock = __RAW_SPIN_LOCK_UNLOCKED } | 59 | (spinlock_t) { .raw_lock = __RAW_SPIN_LOCK_UNLOCKED } |
60 | #define RW_LOCK_UNLOCKED \ | 60 | #define __RW_LOCK_UNLOCKED(lockname) \ |
61 | (rwlock_t) { .raw_lock = __RAW_RW_LOCK_UNLOCKED } | 61 | (rwlock_t) { .raw_lock = __RAW_RW_LOCK_UNLOCKED } |
62 | #endif | 62 | #endif |
63 | 63 | ||
64 | #define DEFINE_SPINLOCK(x) spinlock_t x = SPIN_LOCK_UNLOCKED | 64 | #define SPIN_LOCK_UNLOCKED __SPIN_LOCK_UNLOCKED(old_style_spin_init) |
65 | #define DEFINE_RWLOCK(x) rwlock_t x = RW_LOCK_UNLOCKED | 65 | #define RW_LOCK_UNLOCKED __RW_LOCK_UNLOCKED(old_style_rw_init) |
66 | |||
67 | #define DEFINE_SPINLOCK(x) spinlock_t x = __SPIN_LOCK_UNLOCKED(x) | ||
68 | #define DEFINE_RWLOCK(x) rwlock_t x = __RW_LOCK_UNLOCKED(x) | ||
66 | 69 | ||
67 | #endif /* __LINUX_SPINLOCK_TYPES_H */ | 70 | #endif /* __LINUX_SPINLOCK_TYPES_H */ |
diff --git a/include/linux/wait.h b/include/linux/wait.h index 544e855c7c02..bc4f389c49bb 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h | |||
@@ -68,7 +68,7 @@ struct task_struct; | |||
68 | wait_queue_t name = __WAITQUEUE_INITIALIZER(name, tsk) | 68 | wait_queue_t name = __WAITQUEUE_INITIALIZER(name, tsk) |
69 | 69 | ||
70 | #define __WAIT_QUEUE_HEAD_INITIALIZER(name) { \ | 70 | #define __WAIT_QUEUE_HEAD_INITIALIZER(name) { \ |
71 | .lock = SPIN_LOCK_UNLOCKED, \ | 71 | .lock = __SPIN_LOCK_UNLOCKED(name.lock), \ |
72 | .task_list = { &(name).task_list, &(name).task_list } } | 72 | .task_list = { &(name).task_list, &(name).task_list } } |
73 | 73 | ||
74 | #define DECLARE_WAIT_QUEUE_HEAD(name) \ | 74 | #define DECLARE_WAIT_QUEUE_HEAD(name) \ |
diff --git a/kernel/rcupdate.c b/kernel/rcupdate.c index f464f5ae3f11..759805c9859a 100644 --- a/kernel/rcupdate.c +++ b/kernel/rcupdate.c | |||
@@ -53,13 +53,13 @@ | |||
53 | static struct rcu_ctrlblk rcu_ctrlblk = { | 53 | static struct rcu_ctrlblk rcu_ctrlblk = { |
54 | .cur = -300, | 54 | .cur = -300, |
55 | .completed = -300, | 55 | .completed = -300, |
56 | .lock = SPIN_LOCK_UNLOCKED, | 56 | .lock = __SPIN_LOCK_UNLOCKED(&rcu_ctrlblk.lock), |
57 | .cpumask = CPU_MASK_NONE, | 57 | .cpumask = CPU_MASK_NONE, |
58 | }; | 58 | }; |
59 | static struct rcu_ctrlblk rcu_bh_ctrlblk = { | 59 | static struct rcu_ctrlblk rcu_bh_ctrlblk = { |
60 | .cur = -300, | 60 | .cur = -300, |
61 | .completed = -300, | 61 | .completed = -300, |
62 | .lock = SPIN_LOCK_UNLOCKED, | 62 | .lock = __SPIN_LOCK_UNLOCKED(&rcu_bh_ctrlblk.lock), |
63 | .cpumask = CPU_MASK_NONE, | 63 | .cpumask = CPU_MASK_NONE, |
64 | }; | 64 | }; |
65 | 65 | ||
diff --git a/kernel/timer.c b/kernel/timer.c index 5a8960253063..4dd9a10d67d0 100644 --- a/kernel/timer.c +++ b/kernel/timer.c | |||
@@ -1208,7 +1208,7 @@ unsigned long wall_jiffies = INITIAL_JIFFIES; | |||
1208 | * playing with xtime and avenrun. | 1208 | * playing with xtime and avenrun. |
1209 | */ | 1209 | */ |
1210 | #ifndef ARCH_HAVE_XTIME_LOCK | 1210 | #ifndef ARCH_HAVE_XTIME_LOCK |
1211 | seqlock_t xtime_lock __cacheline_aligned_in_smp = SEQLOCK_UNLOCKED; | 1211 | __cacheline_aligned_in_smp DEFINE_SEQLOCK(xtime_lock); |
1212 | 1212 | ||
1213 | EXPORT_SYMBOL(xtime_lock); | 1213 | EXPORT_SYMBOL(xtime_lock); |
1214 | #endif | 1214 | #endif |
diff --git a/mm/swap_state.c b/mm/swap_state.c index fccbd9bba77b..5f7cf2a4cb55 100644 --- a/mm/swap_state.c +++ b/mm/swap_state.c | |||
@@ -38,7 +38,7 @@ static struct backing_dev_info swap_backing_dev_info = { | |||
38 | 38 | ||
39 | struct address_space swapper_space = { | 39 | struct address_space swapper_space = { |
40 | .page_tree = RADIX_TREE_INIT(GFP_ATOMIC|__GFP_NOWARN), | 40 | .page_tree = RADIX_TREE_INIT(GFP_ATOMIC|__GFP_NOWARN), |
41 | .tree_lock = RW_LOCK_UNLOCKED, | 41 | .tree_lock = __RW_LOCK_UNLOCKED(swapper_space.tree_lock), |
42 | .a_ops = &swap_aops, | 42 | .a_ops = &swap_aops, |
43 | .i_mmap_nonlinear = LIST_HEAD_INIT(swapper_space.i_mmap_nonlinear), | 43 | .i_mmap_nonlinear = LIST_HEAD_INIT(swapper_space.i_mmap_nonlinear), |
44 | .backing_dev_info = &swap_backing_dev_info, | 44 | .backing_dev_info = &swap_backing_dev_info, |
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 8355b729fa95..823717285c6d 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c | |||
@@ -90,7 +90,7 @@ static struct socket *tcp_socket; | |||
90 | void tcp_v4_send_check(struct sock *sk, int len, struct sk_buff *skb); | 90 | void tcp_v4_send_check(struct sock *sk, int len, struct sk_buff *skb); |
91 | 91 | ||
92 | struct inet_hashinfo __cacheline_aligned tcp_hashinfo = { | 92 | struct inet_hashinfo __cacheline_aligned tcp_hashinfo = { |
93 | .lhash_lock = RW_LOCK_UNLOCKED, | 93 | .lhash_lock = __RW_LOCK_UNLOCKED(tcp_hashinfo.lhash_lock), |
94 | .lhash_users = ATOMIC_INIT(0), | 94 | .lhash_users = ATOMIC_INIT(0), |
95 | .lhash_wait = __WAIT_QUEUE_HEAD_INITIALIZER(tcp_hashinfo.lhash_wait), | 95 | .lhash_wait = __WAIT_QUEUE_HEAD_INITIALIZER(tcp_hashinfo.lhash_wait), |
96 | }; | 96 | }; |
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c index e0851697ad5e..0ccb7cb22b15 100644 --- a/net/ipv4/tcp_minisocks.c +++ b/net/ipv4/tcp_minisocks.c | |||
@@ -40,7 +40,7 @@ int sysctl_tcp_abort_on_overflow; | |||
40 | struct inet_timewait_death_row tcp_death_row = { | 40 | struct inet_timewait_death_row tcp_death_row = { |
41 | .sysctl_max_tw_buckets = NR_FILE * 2, | 41 | .sysctl_max_tw_buckets = NR_FILE * 2, |
42 | .period = TCP_TIMEWAIT_LEN / INET_TWDR_TWKILL_SLOTS, | 42 | .period = TCP_TIMEWAIT_LEN / INET_TWDR_TWKILL_SLOTS, |
43 | .death_lock = SPIN_LOCK_UNLOCKED, | 43 | .death_lock = __SPIN_LOCK_UNLOCKED(tcp_death_row.death_lock), |
44 | .hashinfo = &tcp_hashinfo, | 44 | .hashinfo = &tcp_hashinfo, |
45 | .tw_timer = TIMER_INITIALIZER(inet_twdr_hangman, 0, | 45 | .tw_timer = TIMER_INITIALIZER(inet_twdr_hangman, 0, |
46 | (unsigned long)&tcp_death_row), | 46 | (unsigned long)&tcp_death_row), |