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authorPeter Zijlstra <[email protected]>2018-02-06 09:46:13 +0100
committerIngo Molnar <[email protected]>2018-02-21 16:54:32 +0100
commitd5028ba8ee5a18c9d0bb926d883c28b370f89009 (patch)
tree428dfb6eac165eed482209fb992b53af7db090d0 /scripts
parent0ca7d5baa1787e5f2a7abd6bfca3303b1bbb48ac (diff)
objtool, retpolines: Integrate objtool with retpoline support more closely
Disable retpoline validation in objtool if your compiler sucks, and otherwise select the validation stuff for CONFIG_RETPOLINE=y (most builds would already have it set due to ORC). Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Acked-by: Thomas Gleixner <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Arjan van de Ven <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Dan Williams <[email protected]> Cc: Dave Hansen <[email protected]> Cc: David Woodhouse <[email protected]> Cc: Greg Kroah-Hartman <[email protected]> Cc: Josh Poimboeuf <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Peter Zijlstra <[email protected]> Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/Makefile.build2
1 files changed, 2 insertions, 0 deletions
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index ce0fc4dd68c6..4f2b25d43ec9 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -267,8 +267,10 @@ else
objtool_args += $(call cc-ifversion, -lt, 0405, --no-unreachable)
endif
ifdef CONFIG_RETPOLINE
+ifneq ($(RETPOLINE_CFLAGS),)
objtool_args += --retpoline
endif
+endif
ifdef CONFIG_MODVERSIONS