cpuidle: Ensure ct_cpuidle_enter() is always called from noinstr/__cpuidle

Browse source

Tracing (kprobes included) and other compiler instrumentation relies
on a normal kernel runtime. Therefore all functions that disable RCU
should be noinstr, as should all functions that are called while RCU
is disabled.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20230112195542.212914195@infradead.org

...

This commit is contained in:

Peter Zijlstra 2023-01-12 20:44:01 +01:00 • committed by Ingo Molnar

parent 1c38b0615f

commit 17cc2b5525

1 changed files with 28 additions and 9 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

37

drivers/cpuidle/cpuidle.c

View file