Commit 2b1f3de1 authored Dec 27, 2015 by Michael S. Tsirkin

arm: define __smp_xxx



This defines __smp_xxx barriers for arm,
for use by virtualization.

smp_xxx barriers are removed as they are
defined correctly by asm-generic/barriers.h

This reduces the amount of arch-specific boiler-plate code.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>

parent fd072df8

arch/arm/include/asm/barrier.h

+3 −9

Original line number	Diff line number	Diff line
		@@ -60,15 +60,9 @@ extern void arm_heavy_mb(void);
		#define dma_wmb() barrier()
		#endif

		#ifndef CONFIG_SMP
		#define smp_mb() barrier()
		#define smp_rmb() barrier()
		#define smp_wmb() barrier()
		#else
		#define smp_mb() dmb(ish)
		#define smp_rmb() smp_mb()
		#define smp_wmb() dmb(ishst)
		#endif
		#define __smp_mb() dmb(ish)
		#define __smp_rmb() __smp_mb()
		#define __smp_wmb() dmb(ishst)

		#include <asm-generic/barrier.h>