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(parent: 7102cb0) | patch
nmi, tracing: Make hardware latency tracing noinstr safe
authorThomas Gleixner <tglx@linutronix.de>
Thu, 21 May 2020 20:05:14 +0000 (22:05 +0200)
committerThomas Gleixner <tglx@linutronix.de>
Thu, 11 Jun 2020 13:15:04 +0000 (15:15 +0200)
commit2ab70319bc1f79228da4dce7b9d604740c9beeef
tree9d6a0aa7ff567def390f462fec3fd54e48463b32tree
parent7102cb07132624cdc09aa8e40c03ae34b4cbb74acommit | diff
nmi, tracing: Make hardware latency tracing noinstr safe

The hardware latency tracer calls into instrumentable functions. Move the
calls into the RCU watching sections and annotate them.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Andy Lutomirski <luto@kernel.org>
Cc: Paul E. McKenney <paulmck@kernel.org>
Link: https://lore.kernel.org/r/20200521202116.904176298@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
include/linux/hardirq.h diff | blob | history
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