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-rw-r--r--arch/x86/xen/multicalls.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/xen/multicalls.c b/arch/x86/xen/multicalls.c
index 3001162c4bce..cc71f7cf1adc 100644
--- a/arch/x86/xen/multicalls.c
+++ b/arch/x86/xen/multicalls.c
@@ -123,8 +123,8 @@ struct multicall_space __xen_mc_entry(size_t args)
BUG_ON(preemptible());
BUG_ON(b->argidx >= MC_ARGS);
- if (b->mcidx == MC_BATCH ||
- (argidx + args) >= MC_ARGS) {
+ if (unlikely(b->mcidx == MC_BATCH ||
+ (argidx + args) >= MC_ARGS)) {
trace_xen_mc_flush_reason((b->mcidx == MC_BATCH) ?
XEN_MC_FL_BATCH : XEN_MC_FL_ARGS);
xen_mc_flush();
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