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objtool: Fix obsolete reference to CONFIG_X86_SMAP 

CONFIG_X86_SMAP no longer exists.  For objtool's purposes it has been
replaced with CONFIG_HAVE_UACCESS_VALIDATION.

Fixes: 03f16cd020 ("objtool: Add CONFIG_OBJTOOL")
Reported-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Link: https://lore.kernel.org/r/44c57668768c1ba1b4ba1ff541ec54781636e07c.1654101721.git.jpoimboe@kernel.org
This commit is contained in:
Josh Poimboeuf 2022-06-01 09:42:12 -07:00
parent f2906aa863
commit c2f75a43f5
1 changed files with 1 additions and 1 deletions
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lib/Kconfig.ubsan
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@ -94,7 +94,7 @@ config UBSAN_UNREACHABLE
bool "Perform checking for unreachable code"
# objtool already handles unreachable checking and gets angry about
# seeing UBSan instrumentation located in unreachable places.
depends on !(OBJTOOL && (STACK_VALIDATION || UNWINDER_ORC || X86_SMAP))
depends on !(OBJTOOL && (STACK_VALIDATION || UNWINDER_ORC || HAVE_UACCESS_VALIDATION))
depends on $(cc-option,-fsanitize=unreachable)
help
This option enables -fsanitize=unreachable which checks for control