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Diffstat (limited to 'arch/mips/kernel/r2300_switch.S')
-rw-r--r--arch/mips/kernel/r2300_switch.S9
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/mips/kernel/r2300_switch.S b/arch/mips/kernel/r2300_switch.S
index 8d32d5a6b46..20b7b040e76 100644
--- a/arch/mips/kernel/r2300_switch.S
+++ b/arch/mips/kernel/r2300_switch.S
@@ -42,7 +42,7 @@
/*
* task_struct *resume(task_struct *prev, task_struct *next,
- * struct thread_info *next_ti, int usedfpu)
+ * struct thread_info *next_ti, int usedfpu)
*/
LEAF(resume)
mfc0 t1, CP0_STATUS
@@ -65,6 +65,13 @@ LEAF(resume)
fpu_save_single a0, t0 # clobbers t0
1:
+
+#if defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_SMP)
+ PTR_LA t8, __stack_chk_guard
+ LONG_L t9, TASK_STACK_CANARY(a1)
+ LONG_S t9, 0(t8)
+#endif
+
/*
* The order of restoring the registers takes care of the race
* updating $28, $29 and kernelsp without disabling ints.