diff options
-rw-r--r-- | arch/x86/Makefile | 2 | ||||
-rw-r--r-- | kernel/panic.c | 3 |
2 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/Makefile b/arch/x86/Makefile index 3cff3c894cf3..c3e0eeeb1dd2 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile | |||
@@ -73,7 +73,7 @@ else | |||
73 | 73 | ||
74 | stackp := $(CONFIG_SHELL) $(srctree)/scripts/gcc-x86_64-has-stack-protector.sh | 74 | stackp := $(CONFIG_SHELL) $(srctree)/scripts/gcc-x86_64-has-stack-protector.sh |
75 | stackp-$(CONFIG_CC_STACKPROTECTOR) := $(shell $(stackp) \ | 75 | stackp-$(CONFIG_CC_STACKPROTECTOR) := $(shell $(stackp) \ |
76 | "$(CC)" -fstack-protector ) | 76 | "$(CC)" "-fstack-protector -DGCC_HAS_SP" ) |
77 | stackp-$(CONFIG_CC_STACKPROTECTOR_ALL) += $(shell $(stackp) \ | 77 | stackp-$(CONFIG_CC_STACKPROTECTOR_ALL) += $(shell $(stackp) \ |
78 | "$(CC)" -fstack-protector-all ) | 78 | "$(CC)" -fstack-protector-all ) |
79 | 79 | ||
diff --git a/kernel/panic.c b/kernel/panic.c index 866be9b72e4f..6729e3f4ebcb 100644 --- a/kernel/panic.c +++ b/kernel/panic.c | |||
@@ -325,6 +325,9 @@ EXPORT_SYMBOL(warn_on_slowpath); | |||
325 | 325 | ||
326 | #ifdef CONFIG_CC_STACKPROTECTOR | 326 | #ifdef CONFIG_CC_STACKPROTECTOR |
327 | 327 | ||
328 | #ifndef GCC_HAS_SP | ||
329 | #warning You have selected the CONFIG_CC_STACKPROTECTOR option, but the gcc used does not support this. | ||
330 | #endif | ||
328 | static unsigned long __stack_check_testing; | 331 | static unsigned long __stack_check_testing; |
329 | /* | 332 | /* |
330 | * Self test function for the stack-protector feature. | 333 | * Self test function for the stack-protector feature. |