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Diffstat (limited to 'arch/sparc64/mm/tlb.c')
-rw-r--r--arch/sparc64/mm/tlb.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/sparc64/mm/tlb.c b/arch/sparc64/mm/tlb.c
index a079cf42505..3f10fc921b0 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)