perf_event: Convert to raw_spinlock

Convert locks which cannot be sleeping locks in preempt-rt to
raw_spinlocks.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 2 insertions, 2 deletions

diff --git a/kernel/hw_breakpoint.c b/kernel/hw_breakpoint.c
index 366eedf..dbcbf6a 100644
--- a/kernel/hw_breakpoint.c
+++ b/kernel/hw_breakpoint.c
@@ -96,7 +96,7 @@ static int task_bp_pinned(struct task_struct *tsk)
 
 	list = &ctx->event_list;
 
-	spin_lock_irqsave(&ctx->lock, flags);
+	raw_spin_lock_irqsave(&ctx->lock, flags);
 
 	/*
 	 * The current breakpoint counter is not included in the list
@@ -107,7 +107,7 @@ static int task_bp_pinned(struct task_struct *tsk)
 			count++;
 	}
 
-	spin_unlock_irqrestore(&ctx->lock, flags);
+	raw_spin_unlock_irqrestore(&ctx->lock, flags);
 
 	return count;
 }