include/linux/smp.h:on_each_cpu(): switch back to a C function (3b8967d7) · Commits · 戴 / test

Revert commit ("include/linux/smp.h:on_each_cpu(): switch back to a macro"). It turns out that the problematic linux/irqflags.h include was fixed within ia64 and mn10300. Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: David Daney <david.daney@cavium.com> Signed-off-by:

Andrew Morton <akpm@linux-foundation.org> Signed-off-by:

Linus Torvalds <torvalds@linux-foundation.org>

include/linux/smp.h

+12 −8

Original line number	Diff line number	Diff line
		@@ -11,6 +11,7 @@
		#include <linux/list.h>
		#include <linux/cpumask.h>
		#include <linux/init.h>
		#include <linux/irqflags.h>

		extern void cpu_idle(void);

		@@ -139,14 +140,17 @@ static inline int up_smp_call_function(smp_call_func_t func, void *info)
		}
		#define smp_call_function(func, info, wait) \
		(up_smp_call_function(func, info))
		#define on_each_cpu(func, info, wait) \
		({ \
		unsigned long __flags; \
		local_irq_save(__flags); \
		func(info); \
		local_irq_restore(__flags); \
		0; \
		})

		static inline int on_each_cpu(smp_call_func_t func, void *info, int wait)
		{
		unsigned long flags;

		local_irq_save(flags);
		func(info);
		local_irq_restore(flags);
		return 0;
		}

		/*
		* Note we still need to test the mask even for UP
		* because we actually can get an empty mask from

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