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-rw-r--r--arch/x86/include/asm/processor.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 7cd01b71b5bd..50a6dc871cc0 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -299,8 +299,9 @@ struct tss_struct {
#ifdef CONFIG_X86_32
/*
- * Space for the temporary SYSENTER stack:
+ * Space for the temporary SYSENTER stack.
*/
+ unsigned long SYSENTER_stack_canary;
unsigned long SYSENTER_stack[64];
#endif