summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/kernel/entry_64.S
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-11 14:01:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-11 14:01:07 -0700
commit8a1ca8cedd108c8e76a6ab34079d0bbb4f244799 (patch)
tree636c715524f1718599209cc289908ea44b6cb859 /arch/powerpc/kernel/entry_64.S
parentb640f042faa2a2fad6464f259a8afec06e2f6386 (diff)
parent940010c5a314a7bd9b498593bc6ba1718ac5aec5 (diff)
Merge branch 'perfcounters-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perfcounters-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (574 commits) perf_counter: Turn off by default perf_counter: Add counter->id to the throttle event perf_counter: Better align code perf_counter: Rename L2 to LL cache perf_counter: Standardize event names perf_counter: Rename enums perf_counter tools: Clean up u64 usage perf_counter: Rename perf_counter_limit sysctl perf_counter: More paranoia settings perf_counter: powerpc: Implement generalized cache events for POWER processors perf_counters: powerpc: Add support for POWER7 processors perf_counter: Accurate period data perf_counter: Introduce struct for sample data perf_counter tools: Normalize data using per sample period data perf_counter: Annotate exit ctx recursion perf_counter tools: Propagate signals properly perf_counter tools: Small frequency related fixes perf_counter: More aggressive frequency adjustment perf_counter/x86: Fix the model number of Intel Core2 processors perf_counter, x86: Correct some event and umask values for Intel processors ...
Diffstat (limited to 'arch/powerpc/kernel/entry_64.S')
-rw-r--r--arch/powerpc/kernel/entry_64.S9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index abfc3233047..43e073477c3 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -526,6 +526,15 @@ ALT_FW_FTR_SECTION_END_IFCLR(FW_FEATURE_ISERIES)
2:
TRACE_AND_RESTORE_IRQ(r5);
+#ifdef CONFIG_PERF_COUNTERS
+ /* check paca->perf_counter_pending if we're enabling ints */
+ lbz r3,PACAPERFPEND(r13)
+ and. r3,r3,r5
+ beq 27f
+ bl .perf_counter_do_pending
+27:
+#endif /* CONFIG_PERF_COUNTERS */
+
/* extract EE bit and use it to restore paca->hard_enabled */
ld r3,_MSR(r1)
rldicl r4,r3,49,63 /* r0 = (r3 >> 15) & 1 */