Re: [PATCH 23/36] arm64,smp: Remove trace_.*_rcuidle() usage

Mark Rutland
2022-06-14T16:25:19Z

On Wed, Jun 08, 2022 at 04:27:46PM +0200, Peter Zijlstra wrote:
> Ever since commit d3afc7f12987 ("arm64: Allow IPIs to be handled as
> normal interrupts") this function is called in regular IRQ context.
>
> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>

[adding Marc since he authored that commit]

Makes sense to me:

Acked-by: Mark Rutland <mark.rutland@arm.com>

Mark.

> ---
> arch/arm64/kernel/smp.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> --- a/arch/arm64/kernel/smp.c
> +++ b/arch/arm64/kernel/smp.c
> @@ -865,7 +865,7 @@ static void do_handle_IPI(int ipinr)
> unsigned int cpu = smp_processor_id();
>
> if ((unsigned)ipinr < NR_IPI)
> - trace_ipi_entry_rcuidle(ipi_types[ipinr]);
> + trace_ipi_entry(ipi_types[ipinr]);
>
> switch (ipinr) {
> case IPI_RESCHEDULE:
> @@ -914,7 +914,7 @@ static void do_handle_IPI(int ipinr)
> }
>
> if ((unsigned)ipinr < NR_IPI)
> - trace_ipi_exit_rcuidle(ipi_types[ipinr]);
> + trace_ipi_exit(ipi_types[ipinr]);
> }
>
> static irqreturn_t ipi_handler(int irq, void *data)
>
>