[PATCH v2 5/5] um: Set HAVE_EFFICIENT_UNALIGNED_ACCESS for x86
Benjamin Berg
benjamin at sipsolutions.net
Fri Sep 13 06:44:42 PDT 2024
From: Benjamin Berg <benjamin.berg at intel.com>
The x86 port of UM has efficient unaligned access. Set the option as it
is appropriate and will e.g. cause UBSAN to not enable unaligned memory
access checking by default.
Signed-off-by: Benjamin Berg <benjamin.berg at intel.com>
---
arch/x86/um/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/um/Kconfig b/arch/x86/um/Kconfig
index 186f13268401..dc56c608ce69 100644
--- a/arch/x86/um/Kconfig
+++ b/arch/x86/um/Kconfig
@@ -10,6 +10,7 @@ config UML_X86
def_bool y
select ARCH_BINFMT_ELF_EXTRA_PHDRS if X86_32
select DCACHE_WORD_ACCESS
+ select HAVE_EFFICIENT_UNALIGNED_ACCESS
config 64BIT
bool "64-bit kernel" if "$(SUBARCH)" = "x86"
--
2.46.0
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