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authorLinus Torvalds <torvalds@linux-foundation.org>2010-03-18 19:52:46 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-18 19:52:46 -0400
commitf82c37e7bb4c4d9b6a476c642d5c2d2efbd6f240 (patch)
tree09fc553c2fb6f527962048d139159dc139e04afc /kernel/lockdep.c
parentc6b9e73f2fee8bb86058f296de808b326473456b (diff)
parentdcd5c1662db59a6b82942f47fb6ac9dd63f6d3dd (diff)
Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (35 commits) perf: Fix unexported generic perf_arch_fetch_caller_regs perf record: Don't try to find buildids in a zero sized file perf: export perf_trace_regs and perf_arch_fetch_caller_regs perf, x86: Fix hw_perf_enable() event assignment perf, ppc: Fix compile error due to new cpu notifiers perf: Make the install relative to DESTDIR if specified kprobes: Calculate the index correctly when freeing the out-of-line execution slot perf tools: Fix sparse CPU numbering related bugs perf_event: Fix oops triggered by cpu offline/online perf: Drop the obsolete profile naming for trace events perf: Take a hot regs snapshot for trace events perf: Introduce new perf_fetch_caller_regs() for hot regs snapshot perf/x86-64: Use frame pointer to walk on irq and process stacks lockdep: Move lock events under lockdep recursion protection perf report: Print the map table just after samples for which no map was found perf report: Add multiple event support perf session: Change perf_session post processing functions to take histogram tree perf session: Add storage for seperating event types in report perf session: Change add_hist_entry to take the tree root instead of session perf record: Add ID and to recorded event data when recording multiple events ...
Diffstat (limited to 'kernel/lockdep.c')
-rw-r--r--kernel/lockdep.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 681bc2e1e187..c927a549db2c 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -3211,8 +3211,6 @@ void lock_acquire(struct lockdep_map *lock, unsigned int subclass,
3211{ 3211{
3212 unsigned long flags; 3212 unsigned long flags;
3213 3213
3214 trace_lock_acquire(lock, subclass, trylock, read, check, nest_lock, ip);
3215
3216 if (unlikely(current->lockdep_recursion)) 3214 if (unlikely(current->lockdep_recursion))
3217 return; 3215 return;
3218 3216
@@ -3220,6 +3218,7 @@ void lock_acquire(struct lockdep_map *lock, unsigned int subclass,
3220 check_flags(flags); 3218 check_flags(flags);
3221 3219
3222 current->lockdep_recursion = 1; 3220 current->lockdep_recursion = 1;
3221 trace_lock_acquire(lock, subclass, trylock, read, check, nest_lock, ip);
3223 __lock_acquire(lock, subclass, trylock, read, check, 3222 __lock_acquire(lock, subclass, trylock, read, check,
3224 irqs_disabled_flags(flags), nest_lock, ip, 0); 3223 irqs_disabled_flags(flags), nest_lock, ip, 0);
3225 current->lockdep_recursion = 0; 3224 current->lockdep_recursion = 0;
@@ -3232,14 +3231,13 @@ void lock_release(struct lockdep_map *lock, int nested,
3232{ 3231{
3233 unsigned long flags; 3232 unsigned long flags;
3234 3233
3235 trace_lock_release(lock, nested, ip);
3236
3237 if (unlikely(current->lockdep_recursion)) 3234 if (unlikely(current->lockdep_recursion))
3238 return; 3235 return;
3239 3236
3240 raw_local_irq_save(flags); 3237 raw_local_irq_save(flags);
3241 check_flags(flags); 3238 check_flags(flags);
3242 current->lockdep_recursion = 1; 3239 current->lockdep_recursion = 1;
3240 trace_lock_release(lock, nested, ip);
3243 __lock_release(lock, nested, ip); 3241 __lock_release(lock, nested, ip);
3244 current->lockdep_recursion = 0; 3242 current->lockdep_recursion = 0;
3245 raw_local_irq_restore(flags); 3243 raw_local_irq_restore(flags);
@@ -3413,8 +3411,6 @@ void lock_contended(struct lockdep_map *lock, unsigned long ip)
3413{ 3411{
3414 unsigned long flags; 3412 unsigned long flags;
3415 3413
3416 trace_lock_contended(lock, ip);
3417
3418 if (unlikely(!lock_stat)) 3414 if (unlikely(!lock_stat))
3419 return; 3415 return;
3420 3416
@@ -3424,6 +3420,7 @@ void lock_contended(struct lockdep_map *lock, unsigned long ip)
3424 raw_local_irq_save(flags); 3420 raw_local_irq_save(flags);
3425 check_flags(flags); 3421 check_flags(flags);
3426 current->lockdep_recursion = 1; 3422 current->lockdep_recursion = 1;
3423 trace_lock_contended(lock, ip);
3427 __lock_contended(lock, ip); 3424 __lock_contended(lock, ip);
3428 current->lockdep_recursion = 0; 3425 current->lockdep_recursion = 0;
3429 raw_local_irq_restore(flags); 3426 raw_local_irq_restore(flags);