diff options
| author | Michael Ellerman <mpe@ellerman.id.au> | 2023-04-07 00:45:32 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2023-04-20 13:21:49 +1000 |
| commit | 7640854d966449e5befeff02c45c799cfc3d4fcf (patch) | |
| tree | 43b869931f52e74c753341fda1224f60c0cd1b18 | |
| parent | e5b6634aa1bcbd43120b2fd6f15780f00e9e7f66 (diff) | |
powerpc/64: Mark prep_irq_for_idle() __cpuidle
Code in the idle path is not allowed to be instrumented because RCU is
disabled, see commit 0e985e9d2286 ("cpuidle: Add comments about
noinstr/__cpuidle usage").
Mark prep_irq_for_idle() __cpuidle, which is equivalent to noinstr, to
enforce that.
Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230406144535.3786008-1-mpe@ellerman.id.au
| -rw-r--r-- | arch/powerpc/kernel/irq_64.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/irq_64.c b/arch/powerpc/kernel/irq_64.c index c788c55512ed..2ab0e8d84c1d 100644 --- a/arch/powerpc/kernel/irq_64.c +++ b/arch/powerpc/kernel/irq_64.c @@ -354,7 +354,7 @@ EXPORT_SYMBOL(arch_local_irq_restore); * disabled and marked as such, so the local_irq_enable() call * in arch_cpu_idle() will properly re-enable everything. */ -bool prep_irq_for_idle(void) +__cpuidle bool prep_irq_for_idle(void) { /* * First we need to hard disable to ensure no interrupt |