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| author | Benjamin Herrenschmidt | 2010-07-09 03:25:48 +0200 |
|---|---|---|
| committer | Benjamin Herrenschmidt | 2010-07-09 03:25:48 +0200 |
| commit | 5f07aa7524e98d6f68f2bec54f155ef6012e2c9a (patch) | |
| tree | 393b2db3213e6618ad1338f9b66019b0c05c6f75 /kernel | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rol... (diff) | |
| parent | powerpc, hw_breakpoint: Tell generic code we have no instruction breakpoints (diff) | |
| download | kernel-qcow2-linux-5f07aa7524e98d6f68f2bec54f155ef6012e2c9a.tar.gz kernel-qcow2-linux-5f07aa7524e98d6f68f2bec54f155ef6012e2c9a.tar.xz kernel-qcow2-linux-5f07aa7524e98d6f68f2bec54f155ef6012e2c9a.zip | |
Merge commit 'paulus-perf/master' into next
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/hw_breakpoint.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/kernel/hw_breakpoint.c b/kernel/hw_breakpoint.c index 7a56b22e0602..71ed3ce29e12 100644 --- a/kernel/hw_breakpoint.c +++ b/kernel/hw_breakpoint.c @@ -242,6 +242,17 @@ toggle_bp_slot(struct perf_event *bp, bool enable, enum bp_type_idx type, } /* + * Function to perform processor-specific cleanup during unregistration + */ +__weak void arch_unregister_hw_breakpoint(struct perf_event *bp) +{ + /* + * A weak stub function here for those archs that don't define + * it inside arch/.../kernel/hw_breakpoint.c + */ +} + +/* * Contraints to check before allowing this new breakpoint counter: * * == Non-pinned counter == (Considered as pinned for now) @@ -339,6 +350,7 @@ void release_bp_slot(struct perf_event *bp) { mutex_lock(&nr_bp_mutex); + arch_unregister_hw_breakpoint(bp); __release_bp_slot(bp); mutex_unlock(&nr_bp_mutex); |