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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2017-12-20 13:16:21 +1100
committerStewart Smith <stewart@linux.vnet.ibm.com>2017-12-20 22:15:36 -0600
commitc7f2fab5c7854b11da909e79dd6c835d6ab91754 (patch)
tree5c16bd1935d557c71a0c68dd0fb6c2ebccb8b845 /core/utils.c
parentf23d6c626bd657e967347bda872242427b0d9221 (diff)
downloadblackbird-skiboot-c7f2fab5c7854b11da909e79dd6c835d6ab91754.tar.gz
blackbird-skiboot-c7f2fab5c7854b11da909e79dd6c835d6ab91754.zip
Add support for new gcc 7 parametrized stack protector
This gives us per-cpu guard values as well. For now I just xor a magic constant with the CPU PIR value. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Diffstat (limited to 'core/utils.c')
-rw-r--r--core/utils.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/core/utils.c b/core/utils.c
index d21881ef..9e2cb37c 100644
--- a/core/utils.c
+++ b/core/utils.c
@@ -22,9 +22,6 @@
#include <cpu.h>
#include <stack.h>
-extern unsigned long __stack_chk_guard;
-unsigned long __stack_chk_guard = 0xdeadf00dbaad300dULL;
-
void __noreturn assert_fail(const char *msg)
{
/**
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