From: Peter Zijlstra peterz@infradead.org
stable inclusion from linux-4.19.158 commit 0f4eb125c56b524776a2f396bb7a7c119bb2e0a1
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[ Upstream commit ce0f17fc93f63ee91428af10b7b2ddef38cd19e5 ]
One should use in_serving_softirq() to detect SoftIRQ context.
Fixes: 96f6d4444302 ("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 Signed-off-by: Yang Yingliang yangyingliang@huawei.com Signed-off-by: Cheng Jian cj.chengjian@huawei.com --- kernel/events/internal.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/events/internal.h b/kernel/events/internal.h index 6dc725a7e7bc..8fc0ddc38cb6 100644 --- a/kernel/events/internal.h +++ b/kernel/events/internal.h @@ -209,7 +209,7 @@ 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;