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perf: Fix get_recursion_context() 

[ Upstream commit ce0f17fc93f63ee91428af10b7b2ddef38cd19e5 ]

One should use in_serving_softirq() to detect SoftIRQ context.

Fixes: 96f6d44443 ("perf_counter: avoid recursion")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20201030151955.120572175@infradead.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Peter Zijlstra 2020-10-30 12:49:45 +01:00 committed by Greg Kroah-Hartman
parent 70867a9dbf
commit 09b0d47b79
1 changed files with 1 additions and 1 deletions
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kernel/events/internal.h
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@ -210,7 +210,7 @@ static inline int get_recursion_context(int *recursion)
rctx = 3;
else if (in_irq())
rctx = 2;
else if (in_softirq())
else if (in_serving_softirq())
rctx = 1;
else
rctx = 0;