diff options
Diffstat (limited to 'kernel/hw_breakpoint.c')
| -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 7a56b22e060..71ed3ce29e1 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); |