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authorArd Biesheuvel <ard.biesheuvel@linaro.org>2018-03-06 18:15:35 +0100
committerWill Deacon <will.deacon@arm.com>2018-03-09 14:23:09 +0100
commitca79acca273630935f2cfdfdf3fc7425ff51ce1c (patch)
treeeb7562df51b97cc6e33b494c9d744744f6dd4a89 /arch/arm64/include/asm/cpucaps.h
parentarm64/errata: add REVIDR handling to framework (diff)
downloadlinux-ca79acca273630935f2cfdfdf3fc7425ff51ce1c.tar.xz
linux-ca79acca273630935f2cfdfdf3fc7425ff51ce1c.zip
arm64/kernel: enable A53 erratum #8434319 handling at runtime
Omit patching of ADRP instruction at module load time if the current CPUs are not susceptible to the erratum. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> [will: Drop duplicate initialisation of .def_scope field] Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/cpucaps.h')
-rw-r--r--arch/arm64/include/asm/cpucaps.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/cpucaps.h b/arch/arm64/include/asm/cpucaps.h
index bb263820de13..39134c46bb13 100644
--- a/arch/arm64/include/asm/cpucaps.h
+++ b/arch/arm64/include/asm/cpucaps.h
@@ -45,7 +45,8 @@
#define ARM64_HARDEN_BRANCH_PREDICTOR 24
#define ARM64_HARDEN_BP_POST_GUEST_EXIT 25
#define ARM64_HAS_RAS_EXTN 26
+#define ARM64_WORKAROUND_843419 27
-#define ARM64_NCAPS 27
+#define ARM64_NCAPS 28
#endif /* __ASM_CPUCAPS_H */