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| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2018-07-09 21:07:21 +0900 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-07-16 00:25:10 +0200 |
| commit | bdc9c3e5ed953441a46ef3acd81c783d591c9a96 (patch) | |
| tree | 257b3b61b7418499878f76327e0e373f677330c0 /arch/x86/Makefile | |
| parent | 9d3cce1e8b8561fed5f383d22a4d6949db4eadbe (diff) | |
| download | linux-bdc9c3e5ed953441a46ef3acd81c783d591c9a96.tar.gz linux-bdc9c3e5ed953441a46ef3acd81c783d591c9a96.tar.bz2 linux-bdc9c3e5ed953441a46ef3acd81c783d591c9a96.zip | |
x86/build: Remove old -funit-at-a-time GCC quirk
The following commit:
e501ce957a78 ("x86: Force asm-goto")
... bumped the minimum GCC version to 4.5 for building the x86 kernel.
arch/x86/Makefile no longer needs to take care of older GCC versions,
such as this pre-4.0 -funit-at-a-time quirk.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Link: http://lkml.kernel.org/r/1531138041-24200-1-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/Makefile')
| -rw-r--r-- | arch/x86/Makefile | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/arch/x86/Makefile b/arch/x86/Makefile index a08e82856563..7e3c07d6ad42 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -80,11 +80,6 @@ ifeq ($(CONFIG_X86_32),y) # alignment instructions. KBUILD_CFLAGS += $(call cc-option,$(cc_stack_align4)) - # Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use - # a lot more stack due to the lack of sharing of stacklots: - KBUILD_CFLAGS += $(call cc-ifversion, -lt, 0400, \ - $(call cc-option,-fno-unit-at-a-time)) - # CPU-specific tuning. Anything which can be shared with UML should go here. include arch/x86/Makefile_32.cpu KBUILD_CFLAGS += $(cflags-y) |