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| author | Michael S. Tsirkin <mst@redhat.com> | 2015-12-21 08:22:18 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2016-01-12 19:46:47 +0100 |
| commit | 53a05ac15ee04b56ce02f0f831556e2fcdcce93f (patch) | |
| tree | 40a51c5370bb1f1c439f151fa3f579c5d8d00f6c /arch/ia64 | |
| parent | ia64: rename nop->iosapic_nop (diff) | |
| download | linux-53a05ac15ee04b56ce02f0f831556e2fcdcce93f.tar.xz linux-53a05ac15ee04b56ce02f0f831556e2fcdcce93f.zip | |
ia64: reuse asm-generic/barrier.h
On ia64 smp_rmb, smp_wmb, read_barrier_depends, smp_read_barrier_depends
and smp_store_mb() match the asm-generic variants 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: Tony Luck <tony.luck@intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Diffstat (limited to 'arch/ia64')
| -rw-r--r-- | arch/ia64/include/asm/barrier.h | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/arch/ia64/include/asm/barrier.h b/arch/ia64/include/asm/barrier.h index 209c4b817c95..2f933480a764 100644 --- a/arch/ia64/include/asm/barrier.h +++ b/arch/ia64/include/asm/barrier.h @@ -48,12 +48,6 @@ # define smp_mb() barrier() #endif -#define smp_rmb() smp_mb() -#define smp_wmb() smp_mb() - -#define read_barrier_depends() do { } while (0) -#define smp_read_barrier_depends() do { } while (0) - #define smp_mb__before_atomic() barrier() #define smp_mb__after_atomic() barrier() @@ -77,12 +71,12 @@ do { \ ___p1; \ }) -#define smp_store_mb(var, value) do { WRITE_ONCE(var, value); smp_mb(); } while (0) - /* * The group barrier in front of the rsm & ssm are necessary to ensure * that none of the previous instructions in the same group are * affected by the rsm/ssm. */ +#include <asm-generic/barrier.h> + #endif /* _ASM_IA64_BARRIER_H */ |