diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-10-26 16:17:32 +0200 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-10-26 16:17:32 +0200 |
commit | 3cfef9524677a4ecb392d6fbffe6ebce6302f1d4 (patch) | |
tree | 88647d9dc50d634dee9cfeb7f354d620977a2f33 /include | |
parent | 982653009b883ef1529089e3e6f1ae2fee41cbe2 (diff) | |
parent | 68cc3990a545dc0da221b4844dd8b9c06623a6c5 (diff) |
Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
* 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (27 commits)
rtmutex: Add missing rcu_read_unlock() in debug_rt_mutex_print_deadlock()
lockdep: Comment all warnings
lib: atomic64: Change the type of local lock to raw_spinlock_t
locking, lib/atomic64: Annotate atomic64_lock::lock as raw
locking, x86, iommu: Annotate qi->q_lock as raw
locking, x86, iommu: Annotate irq_2_ir_lock as raw
locking, x86, iommu: Annotate iommu->register_lock as raw
locking, dma, ipu: Annotate bank_lock as raw
locking, ARM: Annotate low level hw locks as raw
locking, drivers/dca: Annotate dca_lock as raw
locking, powerpc: Annotate uic->lock as raw
locking, x86: mce: Annotate cmci_discover_lock as raw
locking, ACPI: Annotate c3_lock as raw
locking, oprofile: Annotate oprofilefs lock as raw
locking, video: Annotate vga console lock as raw
locking, latencytop: Annotate latency_lock as raw
locking, timer_stats: Annotate table_lock as raw
locking, rwsem: Annotate inner lock as raw
locking, semaphores: Annotate inner lock as raw
locking, sched: Annotate thread_group_cputimer as raw
...
Fix up conflicts in kernel/posix-cpu-timers.c manually: making
cputimer->cputime a raw lock conflicted with the ABBA fix in commit
bcd5cff7216f ("cputimer: Cure lock inversion").
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/init_task.h | 2 | ||||
-rw-r--r-- | include/linux/intel-iommu.h | 4 | ||||
-rw-r--r-- | include/linux/kprobes.h | 2 | ||||
-rw-r--r-- | include/linux/oprofile.h | 2 | ||||
-rw-r--r-- | include/linux/percpu_counter.h | 2 | ||||
-rw-r--r-- | include/linux/proportions.h | 6 | ||||
-rw-r--r-- | include/linux/ratelimit.h | 6 | ||||
-rw-r--r-- | include/linux/rwsem-spinlock.h | 2 | ||||
-rw-r--r-- | include/linux/rwsem.h | 10 | ||||
-rw-r--r-- | include/linux/sched.h | 4 | ||||
-rw-r--r-- | include/linux/semaphore.h | 4 |
11 files changed, 23 insertions, 21 deletions
diff --git a/include/linux/init_task.h b/include/linux/init_task.h index d14e058aaeed..08ffab01e76c 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h @@ -42,7 +42,7 @@ extern struct fs_struct init_fs; .cputimer = { \ .cputime = INIT_CPUTIME, \ .running = 0, \ - .lock = __SPIN_LOCK_UNLOCKED(sig.cputimer.lock), \ + .lock = __RAW_SPIN_LOCK_UNLOCKED(sig.cputimer.lock), \ }, \ .cred_guard_mutex = \ __MUTEX_INITIALIZER(sig.cred_guard_mutex), \ diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h index 235b8879af45..e6ca56de9936 100644 --- a/include/linux/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -271,7 +271,7 @@ struct qi_desc { }; struct q_inval { - spinlock_t q_lock; + raw_spinlock_t q_lock; struct qi_desc *desc; /* invalidation queue */ int *desc_status; /* desc status */ int free_head; /* first free entry */ @@ -311,7 +311,7 @@ struct intel_iommu { u64 cap; u64 ecap; u32 gcmd; /* Holds TE, EAFL. Don't need SRTP, SFL, WBF */ - spinlock_t register_lock; /* protect register handling */ + raw_spinlock_t register_lock; /* protect register handling */ int seq_id; /* sequence id of the iommu */ int agaw; /* agaw of this iommu */ int msagaw; /* max sagaw of this iommu */ diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h index dd7c12e875bc..dce6e4dbeda7 100644 --- a/include/linux/kprobes.h +++ b/include/linux/kprobes.h @@ -181,7 +181,7 @@ struct kretprobe { int nmissed; size_t data_size; struct hlist_head free_instances; - spinlock_t lock; + raw_spinlock_t lock; }; struct kretprobe_instance { diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h index 49c8727eeb57..a4c562453f6b 100644 --- a/include/linux/oprofile.h +++ b/include/linux/oprofile.h @@ -166,7 +166,7 @@ ssize_t oprofilefs_ulong_to_user(unsigned long val, char __user * buf, size_t co int oprofilefs_ulong_from_user(unsigned long * val, char const __user * buf, size_t count); /** lock for read/write safety */ -extern spinlock_t oprofilefs_lock; +extern raw_spinlock_t oprofilefs_lock; /** * Add the contents of a circular buffer to the event buffer. diff --git a/include/linux/percpu_counter.h b/include/linux/percpu_counter.h index 5edc9014263a..b9df9ed1adc0 100644 --- a/include/linux/percpu_counter.h +++ b/include/linux/percpu_counter.h @@ -16,7 +16,7 @@ #ifdef CONFIG_SMP struct percpu_counter { - spinlock_t lock; + raw_spinlock_t lock; s64 count; #ifdef CONFIG_HOTPLUG_CPU struct list_head list; /* All percpu_counters are on a list */ diff --git a/include/linux/proportions.h b/include/linux/proportions.h index cf793bbbd05e..ef35bb73f69b 100644 --- a/include/linux/proportions.h +++ b/include/linux/proportions.h @@ -58,7 +58,7 @@ struct prop_local_percpu { */ int shift; unsigned long period; - spinlock_t lock; /* protect the snapshot state */ + raw_spinlock_t lock; /* protect the snapshot state */ }; int prop_local_init_percpu(struct prop_local_percpu *pl); @@ -106,11 +106,11 @@ struct prop_local_single { */ unsigned long period; int shift; - spinlock_t lock; /* protect the snapshot state */ + raw_spinlock_t lock; /* protect the snapshot state */ }; #define INIT_PROP_LOCAL_SINGLE(name) \ -{ .lock = __SPIN_LOCK_UNLOCKED(name.lock), \ +{ .lock = __RAW_SPIN_LOCK_UNLOCKED(name.lock), \ } int prop_local_init_single(struct prop_local_single *pl); diff --git a/include/linux/ratelimit.h b/include/linux/ratelimit.h index 2f007157fab9..e11ccb4cf48d 100644 --- a/include/linux/ratelimit.h +++ b/include/linux/ratelimit.h @@ -8,7 +8,7 @@ #define DEFAULT_RATELIMIT_BURST 10 struct ratelimit_state { - spinlock_t lock; /* protect the state */ + raw_spinlock_t lock; /* protect the state */ int interval; int burst; @@ -20,7 +20,7 @@ struct ratelimit_state { #define DEFINE_RATELIMIT_STATE(name, interval_init, burst_init) \ \ struct ratelimit_state name = { \ - .lock = __SPIN_LOCK_UNLOCKED(name.lock), \ + .lock = __RAW_SPIN_LOCK_UNLOCKED(name.lock), \ .interval = interval_init, \ .burst = burst_init, \ } @@ -28,7 +28,7 @@ struct ratelimit_state { static inline void ratelimit_state_init(struct ratelimit_state *rs, int interval, int burst) { - spin_lock_init(&rs->lock); + raw_spin_lock_init(&rs->lock); rs->interval = interval; rs->burst = burst; rs->printed = 0; diff --git a/include/linux/rwsem-spinlock.h b/include/linux/rwsem-spinlock.h index 34701241b673..d5b13bc07a0b 100644 --- a/include/linux/rwsem-spinlock.h +++ b/include/linux/rwsem-spinlock.h @@ -22,7 +22,7 @@ */ struct rw_semaphore { __s32 activity; - spinlock_t wait_lock; + raw_spinlock_t wait_lock; struct list_head wait_list; #ifdef CONFIG_DEBUG_LOCK_ALLOC struct lockdep_map dep_map; diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h index 6a6741440cb7..63d406554391 100644 --- a/include/linux/rwsem.h +++ b/include/linux/rwsem.h @@ -25,7 +25,7 @@ struct rw_semaphore; /* All arch specific implementations share the same struct */ struct rw_semaphore { long count; - spinlock_t wait_lock; + raw_spinlock_t wait_lock; struct list_head wait_list; #ifdef CONFIG_DEBUG_LOCK_ALLOC struct lockdep_map dep_map; @@ -56,9 +56,11 @@ static inline int rwsem_is_locked(struct rw_semaphore *sem) # define __RWSEM_DEP_MAP_INIT(lockname) #endif -#define __RWSEM_INITIALIZER(name) \ - { RWSEM_UNLOCKED_VALUE, __SPIN_LOCK_UNLOCKED(name.wait_lock), \ - LIST_HEAD_INIT((name).wait_list) __RWSEM_DEP_MAP_INIT(name) } +#define __RWSEM_INITIALIZER(name) \ + { RWSEM_UNLOCKED_VALUE, \ + __RAW_SPIN_LOCK_UNLOCKED(name.wait_lock), \ + LIST_HEAD_INIT((name).wait_list) \ + __RWSEM_DEP_MAP_INIT(name) } #define DECLARE_RWSEM(name) \ struct rw_semaphore name = __RWSEM_INITIALIZER(name) diff --git a/include/linux/sched.h b/include/linux/sched.h index 600eb0a6f89a..1be699dd32a5 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -510,7 +510,7 @@ struct task_cputime { struct thread_group_cputimer { struct task_cputime cputime; int running; - spinlock_t lock; + raw_spinlock_t lock; }; #include <linux/rwsem.h> @@ -2566,7 +2566,7 @@ void thread_group_cputimer(struct task_struct *tsk, struct task_cputime *times); static inline void thread_group_cputime_init(struct signal_struct *sig) { - spin_lock_init(&sig->cputimer.lock); + raw_spin_lock_init(&sig->cputimer.lock); } /* diff --git a/include/linux/semaphore.h b/include/linux/semaphore.h index 39fa04966aa8..dc368b8ce215 100644 --- a/include/linux/semaphore.h +++ b/include/linux/semaphore.h @@ -14,14 +14,14 @@ /* Please don't access any members of this structure directly */ struct semaphore { - spinlock_t lock; + raw_spinlock_t lock; unsigned int count; struct list_head wait_list; }; #define __SEMAPHORE_INITIALIZER(name, n) \ { \ - .lock = __SPIN_LOCK_UNLOCKED((name).lock), \ + .lock = __RAW_SPIN_LOCK_UNLOCKED((name).lock), \ .count = n, \ .wait_list = LIST_HEAD_INIT((name).wait_list), \ } |