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Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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* '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
bcd5cff721 ("cputimer: Cure lock inversion").
This commit is contained in:
Linus Torvalds
2011-10-26 16:17:32 +02:00
parent 982653009b 68cc3990a5
commit 3cfef95246
61 changed files with 670 additions and 573 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/linux/init_task.h
+1 -1
View File
@@ -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), \
include/linux/intel-iommu.h
+2 -2
View File
@@ -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 */
include/linux/kprobes.h
+1 -1
View File
@@ -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 {
include/linux/oprofile.h
+1 -1
View File
@@ -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.
include/linux/percpu_counter.h
+1 -1
View File
@@ -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 */
include/linux/proportions.h
+3 -3
View File
@@ -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);
include/linux/ratelimit.h
+3 -3
View File
@@ -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;
include/linux/rwsem-spinlock.h
+1 -1
View File
@@ -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;
include/linux/rwsem.h
+6 -4
View File
@@ -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)
include/linux/sched.h
+2 -2
View File
@@ -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);
}
/*
include/linux/semaphore.h
+2 -2
View File
@@ -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), \
}