Re: [PATCH 23/36] arm64,smp: Remove trace_.*_rcuidle() usage
From: Marc Zyngier <maz@kernel.org>
Date: 2022-06-15 06:05:25
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On Wed, Jun 08, 2022 at 04:27:46PM +0200, Peter Zijlstra wrote:quoted
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 [off-list ref] Mark.quoted
--- 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)
Acked-by: Marc Zyngier <maz@kernel.org> M. -- Without deviation from the norm, progress is not possible.