[Xen-devel] [PATCH for-next] x86/tlb: Don't use locked operations in tlbflush_filter()

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

All passed cpumask_t's are context-local and not at risk of concurrent
updates.

Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
CC: Jan Beulich <JBeulich@xxxxxxxx>
---
 xen/include/asm-x86/flushtlb.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/include/asm-x86/flushtlb.h b/xen/include/asm-x86/flushtlb.h
index 8b7adef..aa86ea2 100644
--- a/xen/include/asm-x86/flushtlb.h
+++ b/xen/include/asm-x86/flushtlb.h
@@ -55,7 +55,7 @@ static inline void tlbflush_filter(cpumask_t *mask, uint32_t 
page_timestamp)
 
     for_each_cpu ( cpu, mask )
         if ( !NEED_FLUSH(per_cpu(tlbflush_time, cpu), page_timestamp) )
-            cpumask_clear_cpu(cpu, mask);
+            __cpumask_clear_cpu(cpu, mask);
 }
 
 void new_tlbflush_clock_period(void);
-- 
2.1.4


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