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-rw-r--r--arch/ia64/mm/tlb.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/ia64/mm/tlb.c b/arch/ia64/mm/tlb.c
index c93e0f2b5fea..c79a9b96d02b 100644
--- a/arch/ia64/mm/tlb.c
+++ b/arch/ia64/mm/tlb.c
@@ -158,10 +158,12 @@ flush_tlb_range (struct vm_area_struct *vma, unsigned long start, unsigned long
# ifdef CONFIG_SMP
platform_global_tlb_purge(mm, start, end, nbits);
# else
+ preempt_disable();
do {
ia64_ptcl(start, (nbits<<2));
start += (1UL << nbits);
} while (start < end);
+ preempt_enable();
# endif
ia64_srlz_i(); /* srlz.i implies srlz.d */