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authorAndi Kleen <ak@linux.intel.com>2014-02-08 08:52:06 +0100
committerMoyster <oysterized@gmail.com>2018-11-29 16:02:36 +0100
commitcb7c3b6b40f1554990fde14c771248653c48400e (patch)
treee25ebd6142004dff3304d28288a8bf1a003a32c9 /kernel
parente8095960d4e1c345eb58e9d488d3f329056fe4a0 (diff)
asmlinkage Make __stack_chk_failed and memcmp visible
In LTO symbols implicitely referenced by the compiler need to be visible. Earlier these symbols were visible implicitely from being exported, but we disabled implicit visibility fo EXPORTs when modules are disabled to improve code size. So now these symbols have to be marked visible explicitely. Do this for __stack_chk_fail (with stack protector) and memcmp. Signed-off-by: Andi Kleen <ak@linux.intel.com> Link: http://lkml.kernel.org/r/1391845930-28580-10-git-send-email-ak@linux.intel.com Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/panic.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/panic.c b/kernel/panic.c
index 85188e251..41d22a58b 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -465,7 +465,7 @@ EXPORT_SYMBOL(warn_slowpath_null);
* Called when gcc's -fstack-protector feature is used, and
* gcc detects corruption of the on-stack canary value
*/
-void __stack_chk_fail(void)
+__visible void __stack_chk_fail(void)
{
/*
panic("stack-protector: Kernel stack is corrupted in: %p\n",