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-rw-r--r--kernel/trace/ring_buffer.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 5040d44fe5a3..0315d43176d8 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -2679,7 +2679,7 @@ static DEFINE_PER_CPU(unsigned int, current_context);
2679 2679
2680static __always_inline int trace_recursive_lock(void) 2680static __always_inline int trace_recursive_lock(void)
2681{ 2681{
2682 unsigned int val = this_cpu_read(current_context); 2682 unsigned int val = __this_cpu_read(current_context);
2683 int bit; 2683 int bit;
2684 2684
2685 if (in_interrupt()) { 2685 if (in_interrupt()) {
@@ -2696,18 +2696,14 @@ static __always_inline int trace_recursive_lock(void)
2696 return 1; 2696 return 1;
2697 2697
2698 val |= (1 << bit); 2698 val |= (1 << bit);
2699 this_cpu_write(current_context, val); 2699 __this_cpu_write(current_context, val);
2700 2700
2701 return 0; 2701 return 0;
2702} 2702}
2703 2703
2704static __always_inline void trace_recursive_unlock(void) 2704static __always_inline void trace_recursive_unlock(void)
2705{ 2705{
2706 unsigned int val = this_cpu_read(current_context); 2706 __this_cpu_and(current_context, __this_cpu_read(current_context) - 1);
2707
2708 val--;
2709 val &= this_cpu_read(current_context);
2710 this_cpu_write(current_context, val);
2711} 2707}
2712 2708
2713#else 2709#else