irq_work: Define irq_work_single() on !CONFIG_IRQ_WORK too (25de110d) · Commits · 戴 / test

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 −0

Original line number	Diff line number	Diff line
		@@ -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 */

kernel/smp.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -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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