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| author | Josh Poimboeuf <jpoimboe@redhat.com> | 2022-04-18 19:50:39 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2022-04-22 13:32:04 +0300 |
| commit | 4ab7674f5951ac6a8ac4fa8828090edb64a4771f (patch) | |
| tree | acd05dfd8faea515ddc411501bd25627da4cd148 /arch/x86/Kconfig | |
| parent | 26e176896a5bb9222ae3433da902edd2566a61a4 (diff) | |
| download | linux-4ab7674f5951ac6a8ac4fa8828090edb64a4771f.tar.xz | |
objtool: Make jump label hack optional
Objtool secretly does a jump label hack to overcome the limitations of
the toolchain. Make the hack 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/3bdcbfdd27ecb01ddec13c04bdf756a583b13d24.1650300597.git.jpoimboe@redhat.com
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 43e26ee1611e..26d012f1eeb8 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -212,6 +212,7 @@ config X86 select HAVE_IOREMAP_PROT select HAVE_IRQ_EXIT_ON_IRQ_STACK if X86_64 select HAVE_IRQ_TIME_ACCOUNTING + select HAVE_JUMP_LABEL_HACK if HAVE_OBJTOOL select HAVE_KERNEL_BZIP2 select HAVE_KERNEL_GZIP select HAVE_KERNEL_LZ4 |