diff options
Diffstat (limited to 'arch/sparc64/mm')
| -rw-r--r-- | arch/sparc64/mm/tlb.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/sparc64/mm/tlb.c b/arch/sparc64/mm/tlb.c index a079cf42505e..3f10fc921b00 100644 --- a/arch/sparc64/mm/tlb.c +++ b/arch/sparc64/mm/tlb.c @@ -8,6 +8,7 @@ #include <linux/percpu.h> #include <linux/mm.h> #include <linux/swap.h> +#include <linux/preempt.h> #include <asm/pgtable.h> #include <asm/pgalloc.h> @@ -24,6 +25,8 @@ void flush_tlb_pending(void) { struct mmu_gather *mp = &__get_cpu_var(mmu_gathers); + preempt_disable(); + if (mp->tlb_nr) { flush_tsb_user(mp); @@ -38,6 +41,8 @@ void flush_tlb_pending(void) } mp->tlb_nr = 0; } + + preempt_enable(); } void tlb_batch_add(struct mm_struct *mm, unsigned long vaddr, pte_t *ptep, pte_t orig) |