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| author | Michael S. Tsirkin | 2015-12-21 08:22:18 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin | 2016-01-12 19:46:51 +0100 |
| commit | 577f183acc88645eae116326cc2203dc88ea730c (patch) | |
| tree | 286db8d51fd80f40f881846f3e5280adacc08e5c | |
| parent | mips: reuse asm-generic/barrier.h (diff) | |
| download | kernel-qcow2-linux-577f183acc88645eae116326cc2203dc88ea730c.tar.gz kernel-qcow2-linux-577f183acc88645eae116326cc2203dc88ea730c.tar.xz kernel-qcow2-linux-577f183acc88645eae116326cc2203dc88ea730c.zip | |
x86/um: reuse asm-generic/barrier.h
On x86/um CONFIG_SMP is never defined. As a result, several macros
match the asm-generic variant exactly. Drop the local definitions and
pull in asm-generic/barrier.h instead.
This is in preparation to refactoring this code area.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Richard Weinberger <richard@nod.at>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
| -rw-r--r-- | arch/x86/um/asm/barrier.h | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/arch/x86/um/asm/barrier.h b/arch/x86/um/asm/barrier.h index 755481f14d90..174781a404ff 100644 --- a/arch/x86/um/asm/barrier.h +++ b/arch/x86/um/asm/barrier.h @@ -36,13 +36,6 @@ #endif /* CONFIG_X86_PPRO_FENCE */ #define dma_wmb() barrier() -#define smp_mb() barrier() -#define smp_rmb() barrier() -#define smp_wmb() barrier() - -#define smp_store_mb(var, value) do { WRITE_ONCE(var, value); barrier(); } while (0) - -#define read_barrier_depends() do { } while (0) -#define smp_read_barrier_depends() do { } while (0) +#include <asm-generic/barrier.h> #endif |