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| author | Josh Poimboeuf <jpoimboe@redhat.com> | 2022-04-18 09:50:40 -0700 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2022-04-22 12:32:04 +0200 |
| commit | 22102f4559beaabcea614b29ee090c6a214f002f (patch) | |
| tree | 8e1daad16f0f8f0975dd61917d21df8c252b6966 /arch/Kconfig | |
| parent | 4ab7674f5951ac6a8ac4fa8828090edb64a4771f (diff) | |
| download | linux-stable-22102f4559beaabcea614b29ee090c6a214f002f.tar.gz linux-stable-22102f4559beaabcea614b29ee090c6a214f002f.tar.bz2 linux-stable-22102f4559beaabcea614b29ee090c6a214f002f.zip | |
objtool: Make noinstr hacks optional
Objtool has some hacks in place to workaround toolchain limitations
which otherwise would break no-instrumentation rules. Make the hacks
explicit (and optional for other arches) by turning it into a cmdline
option and kernel config option.
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Miroslav Benes <mbenes@suse.cz>
Link: https://lkml.kernel.org/r/b326eeb9c33231b9dfbb925f194ed7ee40edcd7c.1650300597.git.jpoimboe@redhat.com
Diffstat (limited to 'arch/Kconfig')
| -rw-r--r-- | arch/Kconfig | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index 9dce6d6e3bc3..6ba6e34db0ea 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -1035,6 +1035,9 @@ config HAVE_OBJTOOL config HAVE_JUMP_LABEL_HACK bool +config HAVE_NOINSTR_HACK + bool + config HAVE_STACK_VALIDATION bool help |