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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/mm/tsb.c | |
| parent | 64f2dde3f743c8a1ad8c0a1aa74166c1034afd92 (diff) | |
| download | kernel_samsung_smdk4412-293666b7a17cb7a389fc274980439212386a19c4.tar.gz kernel_samsung_smdk4412-293666b7a17cb7a389fc274980439212386a19c4.tar.bz2 kernel_samsung_smdk4412-293666b7a17cb7a389fc274980439212386a19c4.zip | |
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/mm/tsb.c')
| -rw-r--r-- | arch/sparc64/mm/tsb.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/sparc64/mm/tsb.c b/arch/sparc64/mm/tsb.c index 587f8efb2e0..f0282fad632 100644 --- a/arch/sparc64/mm/tsb.c +++ b/arch/sparc64/mm/tsb.c @@ -41,10 +41,8 @@ void flush_tsb_kernel_range(unsigned long start, unsigned long end) KERNEL_TSB_NENTRIES); struct tsb *ent = &swapper_tsb[hash]; - if (tag_compare(ent->tag, v)) { + if (tag_compare(ent->tag, v)) ent->tag = (1UL << TSB_TAG_INVALID_BIT); - membar_storeload_storestore(); - } } } |