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| author | David S. Miller <davem@davemloft.net> | 2008-03-27 16:51:44 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-03-28 15:53:25 -0700 |
| commit | 76cc86ee6b3c261b96ea3ee2f4c6dfd127335881 (patch) | |
| tree | 4994e2e4e7b8482f30a91a206135d6d590184c71 /arch | |
| parent | af8be4e4b316df36a00c1e52a9970c253783b57e (diff) | |
| download | op-kernel-dev-76cc86ee6b3c261b96ea3ee2f4c6dfd127335881.zip op-kernel-dev-76cc86ee6b3c261b96ea3ee2f4c6dfd127335881.tar.gz | |
[SPARC64]: Don't open-code {get,put}_cpu_var() in flush_tlb_pending().
Noticed by Andrew Morton.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sparc64/mm/tlb.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/sparc64/mm/tlb.c b/arch/sparc64/mm/tlb.c index a0f000b..ae24919 100644 --- a/arch/sparc64/mm/tlb.c +++ b/arch/sparc64/mm/tlb.c @@ -23,11 +23,8 @@ DEFINE_PER_CPU(struct mmu_gather, mmu_gathers) = { 0, }; void flush_tlb_pending(void) { - struct mmu_gather *mp; + struct mmu_gather *mp = &get_cpu_var(mmu_gathers); - preempt_disable(); - - mp = &__get_cpu_var(mmu_gathers); if (mp->tlb_nr) { flush_tsb_user(mp); @@ -43,7 +40,7 @@ void flush_tlb_pending(void) mp->tlb_nr = 0; } - preempt_enable(); + put_cpu_var(mmu_gathers); } void tlb_batch_add(struct mm_struct *mm, unsigned long vaddr, pte_t *ptep, pte_t orig) |
