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| author | David S. Miller <davem@davemloft.net> | 2008-12-28 20:19:47 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-12-28 20:19:47 -0800 |
| commit | e3c6d4ee545e427b55882d97d3b663c6411645fe (patch) | |
| tree | 294326663fb757739a98083c2ddd570d1eaf7337 /arch/x86/include/asm/mmu_context_32.h | |
| parent | 5bc053089376217943187ed5153d0d1e5c5085b6 (diff) | |
| parent | 3c92ec8ae91ecf59d88c798301833d7cf83f2179 (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
arch/sparc64/kernel/idprom.c
Diffstat (limited to 'arch/x86/include/asm/mmu_context_32.h')
| -rw-r--r-- | arch/x86/include/asm/mmu_context_32.h | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/arch/x86/include/asm/mmu_context_32.h b/arch/x86/include/asm/mmu_context_32.h index 8e10015781f..7e98ce1d2c0 100644 --- a/arch/x86/include/asm/mmu_context_32.h +++ b/arch/x86/include/asm/mmu_context_32.h @@ -4,9 +4,8 @@ static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) { #ifdef CONFIG_SMP - unsigned cpu = smp_processor_id(); - if (per_cpu(cpu_tlbstate, cpu).state == TLBSTATE_OK) - per_cpu(cpu_tlbstate, cpu).state = TLBSTATE_LAZY; + if (x86_read_percpu(cpu_tlbstate.state) == TLBSTATE_OK) + x86_write_percpu(cpu_tlbstate.state, TLBSTATE_LAZY); #endif } @@ -20,8 +19,8 @@ static inline void switch_mm(struct mm_struct *prev, /* stop flush ipis for the previous mm */ cpu_clear(cpu, prev->cpu_vm_mask); #ifdef CONFIG_SMP - per_cpu(cpu_tlbstate, cpu).state = TLBSTATE_OK; - per_cpu(cpu_tlbstate, cpu).active_mm = next; + x86_write_percpu(cpu_tlbstate.state, TLBSTATE_OK); + x86_write_percpu(cpu_tlbstate.active_mm, next); #endif cpu_set(cpu, next->cpu_vm_mask); @@ -36,8 +35,8 @@ static inline void switch_mm(struct mm_struct *prev, } #ifdef CONFIG_SMP else { - per_cpu(cpu_tlbstate, cpu).state = TLBSTATE_OK; - BUG_ON(per_cpu(cpu_tlbstate, cpu).active_mm != next); + x86_write_percpu(cpu_tlbstate.state, TLBSTATE_OK); + BUG_ON(x86_read_percpu(cpu_tlbstate.active_mm) != next); if (!cpu_test_and_set(cpu, next->cpu_vm_mask)) { /* We were in lazy tlb mode and leave_mm disabled |