Messages in this thread Patch in this message | | | Date | Tue, 02 Jun 2020 11:40:55 -0000 | From | "tip-bot2 for Ingo Molnar" <> | Subject | [tip: sched/core] irq_work: Define irq_work_single() on !CONFIG_IRQ_WORK too |
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The following commit has been merged into the sched/core branch of tip:
Commit-ID: 25de110d148666752dc0e0da7a0b69de31cd7098 Gitweb: https://git.kernel.org/tip/25de110d148666752dc0e0da7a0b69de31cd7098 Author: Ingo Molnar <mingo@kernel.org> AuthorDate: Tue, 02 Jun 2020 12:08:39 +02:00 Committer: Ingo Molnar <mingo@kernel.org> CommitterDate: Tue, 02 Jun 2020 12:34:45 +02:00
irq_work: Define irq_work_single() on !CONFIG_IRQ_WORK too
Some SMP platforms don't have CONFIG_IRQ_WORK defined, resulting in a link error at build time.
Define a stub and clean up the prototype definitions.
Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org> --- include/linux/irq_work.h | 2 ++ kernel/smp.c | 2 -- 2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/irq_work.h b/include/linux/irq_work.h index f23a359..2735da5 100644 --- a/include/linux/irq_work.h +++ b/include/linux/irq_work.h @@ -58,9 +58,11 @@ void irq_work_sync(struct irq_work *work); void irq_work_run(void); bool irq_work_needs_cpu(void); +void irq_work_single(void *arg); #else static inline bool irq_work_needs_cpu(void) { return false; } static inline void irq_work_run(void) { } +static inline void irq_work_single(void *arg) { } #endif #endif /* _LINUX_IRQ_WORK_H */ diff --git a/kernel/smp.c b/kernel/smp.c index 4dec04f..c80486a 100644 --- a/kernel/smp.c +++ b/kernel/smp.c @@ -194,8 +194,6 @@ void generic_smp_call_function_single_interrupt(void) flush_smp_call_function_queue(true); } -extern void irq_work_single(void *); - /** * flush_smp_call_function_queue - Flush pending smp-call-function callbacks *
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