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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-12-09 15:09:55 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-12-09 15:09:55 -0800 |
| commit | 8586ca8a214471e4573d76356aabe890bfecdc8a (patch) | |
| tree | c64f9f0f8945719e67f91007cf8b369be5d8e04f /arch/x86/Makefile | |
| parent | ebbd30004d6cfa747723b3ac6ee1a97795f797ba (diff) | |
| parent | ac3e233d29f7f77f28243af0132057d378d3ea58 (diff) | |
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"Three fixes: a boot parameter re-(re-)fix, a retpoline build artifact
fix and an LLVM workaround"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/vdso: Drop implicit common-page-size linker flag
x86/build: Fix compiler support check for CONFIG_RETPOLINE
x86/boot: Clear RSDP address in boot_params for broken loaders
Diffstat (limited to 'arch/x86/Makefile')
| -rw-r--r-- | arch/x86/Makefile | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/x86/Makefile b/arch/x86/Makefile index f5d7f4134524..75ef499a66e2 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -220,9 +220,6 @@ KBUILD_CFLAGS += -fno-asynchronous-unwind-tables # Avoid indirect branches in kernel to deal with Spectre ifdef CONFIG_RETPOLINE -ifeq ($(RETPOLINE_CFLAGS),) - $(error You are building kernel with non-retpoline compiler, please update your compiler.) -endif KBUILD_CFLAGS += $(RETPOLINE_CFLAGS) endif @@ -307,6 +304,13 @@ ifndef CC_HAVE_ASM_GOTO @echo Compiler lacks asm-goto support. @exit 1 endif +ifdef CONFIG_RETPOLINE +ifeq ($(RETPOLINE_CFLAGS),) + @echo "You are building kernel with non-retpoline compiler." >&2 + @echo "Please update your compiler." >&2 + @false +endif +endif archclean: $(Q)rm -rf $(objtree)/arch/i386 |