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-rw-r--r--arch/x86/kernel/process.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 9decee2bfdbe..2915d54e9dd5 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -57,6 +57,9 @@ __visible DEFINE_PER_CPU_SHARED_ALIGNED(struct tss_struct, cpu_tss) = {
*/
.io_bitmap = { [0 ... IO_BITMAP_LONGS] = ~0 },
#endif
+#ifdef CONFIG_X86_32
+ .SYSENTER_stack_canary = STACK_END_MAGIC,
+#endif
};
EXPORT_PER_CPU_SYMBOL(cpu_tss);
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