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authorChristophe Leroy <christophe.leroy@c-s.fr>2019-04-26 19:23:33 +0300
committerMichael Ellerman <mpe@ellerman.id.au>2019-05-02 18:20:26 +0300
commitf072015c7b742c42aa5649d22f43163cd0eb7024 (patch)
treec4d95b90f992cf837ae87193d6944244de9c4f4a /arch/powerpc/purgatory
parentb4abe38fd698ace6942edeeb79a5b8a60a7af4fa (diff)
downloadlinux-f072015c7b742c42aa5649d22f43163cd0eb7024.tar.xz
powerpc: disable KASAN instrumentation on early/critical files.
All files containing functions run before kasan_early_init() is called must have KASAN instrumentation disabled. For those file, branch profiling also have to be disabled otherwise each if () generates a call to ftrace_likely_update(). Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/purgatory')
-rw-r--r--arch/powerpc/purgatory/Makefile3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/purgatory/Makefile b/arch/powerpc/purgatory/Makefile
index 4314ba5baf43..7c6d8b14f440 100644
--- a/arch/powerpc/purgatory/Makefile
+++ b/arch/powerpc/purgatory/Makefile
@@ -1,4 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
+
+KASAN_SANITIZE := n
+
targets += trampoline.o purgatory.ro kexec-purgatory.c
LDFLAGS_purgatory.ro := -e purgatory_start -r --no-undefined