[PATCH 5/5] um: Set HAVE_EFFICIENT_UNALIGNED_ACCESS for x86
Benjamin Berg
benjamin at sipsolutions.net
Fri Sep 13 06:36:02 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.
---
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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