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| author | David S. Miller <davem@davemloft.net> | 2008-11-15 13:33:25 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-12-04 09:16:47 -0800 |
| commit | 293666b7a17cb7a389fc274980439212386a19c4 (patch) | |
| tree | 075cc7661d2113cf04da7130b3383979d8024206 /arch/sparc64/kernel/traps.c | |
| parent | 64f2dde3f743c8a1ad8c0a1aa74166c1034afd92 (diff) | |
| download | op-kernel-dev-293666b7a17cb7a389fc274980439212386a19c4.zip op-kernel-dev-293666b7a17cb7a389fc274980439212386a19c4.tar.gz | |
sparc64: Stop using memory barriers for atomics and locks.
The kernel always executes in the TSO memory model now,
so none of this stuff is necessary any more.
With helpful feedback from Nick Piggin.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/traps.c')
| -rw-r--r-- | arch/sparc64/kernel/traps.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c index 81ccd22..04994fc 100644 --- a/arch/sparc64/kernel/traps.c +++ b/arch/sparc64/kernel/traps.c @@ -1371,7 +1371,6 @@ static int cheetah_fix_ce(unsigned long physaddr) __asm__ __volatile__("ldxa [%0] %3, %%g0\n\t" "ldxa [%1] %3, %%g0\n\t" "casxa [%2] %3, %%g0, %%g0\n\t" - "membar #StoreLoad | #StoreStore\n\t" "ldxa [%0] %3, %%g0\n\t" "ldxa [%1] %3, %%g0\n\t" "membar #Sync" |
