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Merge tag 'uml-for-linus-6.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux

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Pull UML fix from Richard Weinberger:

 - Build regression fix for older gcc versions

* tag 'uml-for-linus-6.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux:
  um: Only disable SSE on clang to work around old GCC bugs
This commit is contained in:
Linus Torvalds
2023-04-10 13:13:33 -07:00
parent 09a9639e56 a3046a618a
commit 411eb01410
1 changed files with 5 additions and 0 deletions
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5
arch/x86/Makefile.um
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@@ -3,9 +3,14 @@ core-y += arch/x86/crypto/
#
# Disable SSE and other FP/SIMD instructions to match normal x86
# This is required to work around issues in older LLVM versions, but breaks
# GCC versions < 11. See:
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99652
#
ifeq ($(CONFIG_CC_IS_CLANG),y)
KBUILD_CFLAGS += -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx
KBUILD_RUSTFLAGS += -Ctarget-feature=-sse,-sse2,-sse3,-ssse3,-sse4.1,-sse4.2,-avx,-avx2
endif
ifeq ($(CONFIG_X86_32),y)
START := 0x8048000