[PATCH 3/6] perf: Fix get_recursion_context()

From: Peter Zijlstra
Date: Fri Oct 30 2020 - 11:21:55 EST


One should use in_server_softirq() to detector SoftIRQ context.

Fixes: 96f6d4444302 ("perf_counter: avoid recursion")
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
---
kernel/events/internal.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/kernel/events/internal.h
+++ b/kernel/events/internal.h
@@ -211,7 +211,7 @@ static inline int get_recursion_context(
rctx = 3;
else if (in_irq())
rctx = 2;
- else if (in_softirq())
+ else if (in_serving_softirq())
rctx = 1;
else
rctx = 0;