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-rw-r--r--arch/x86/mm/tlb.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c
index 79c124f6f3f2..39761c7765bd 100644
--- a/arch/x86/mm/tlb.c
+++ b/arch/x86/mm/tlb.c
@@ -986,6 +986,7 @@ struct mm_struct *use_temporary_mm(struct mm_struct *temp_mm)
struct mm_struct *prev_mm;
lockdep_assert_preemption_disabled();
+ guard(irqsave)();
/*
* Make sure not to be in TLB lazy mode, as otherwise we'll end up
@@ -1018,6 +1019,7 @@ struct mm_struct *use_temporary_mm(struct mm_struct *temp_mm)
void unuse_temporary_mm(struct mm_struct *prev_mm)
{
lockdep_assert_preemption_disabled();
+ guard(irqsave)();
/* Clear the cpumask, to indicate no TLB flushing is needed anywhere */
cpumask_clear_cpu(smp_processor_id(), mm_cpumask(this_cpu_read(cpu_tlbstate.loaded_mm)));