mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-16 01:04:08 +08:00
x86, powerpc: Remove -funit-at-a-time compiler option entirely
GCC 4.6 manual says: -funit-at-a-time This option is left for compatibility reasons. -funit-at-a-time has no effect, while -fno-unit-at-a-time implies -fno-toplevel-reorder and -fno-section-anchors. Enabled by default. Remove it. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Borislav Petkov <bp@suse.de> Acked-by: Ingo Molnar <mingo@kernel.org> Acked-by: Michael Ellerman <mpe@ellerman.id.au> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Richard Weinberger <richard@sigma-star.at> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linuxppc-dev@lists.ozlabs.org Cc: x86-ml <x86@kernel.org> Link: https://lkml.kernel.org/r/1541990120-9643-3-git-send-email-yamada.masahiro@socionext.com
This commit is contained in:
parent
829889ac4a
commit
63fea0af43
@ -228,10 +228,6 @@ KBUILD_CFLAGS += $(call cc-option,-mno-vsx)
|
||||
KBUILD_CFLAGS += $(call cc-option,-mno-spe)
|
||||
KBUILD_CFLAGS += $(call cc-option,-mspe=no)
|
||||
|
||||
# Enable unit-at-a-time mode when possible. It shrinks the
|
||||
# kernel considerably.
|
||||
KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time)
|
||||
|
||||
# FIXME: the module load should be taught about the additional relocs
|
||||
# generated by this.
|
||||
# revert to pre-gcc-4.4 behaviour of .eh_frame
|
||||
|
@ -130,10 +130,6 @@ else
|
||||
|
||||
KBUILD_CFLAGS += -mno-red-zone
|
||||
KBUILD_CFLAGS += -mcmodel=kernel
|
||||
|
||||
# -funit-at-a-time shrinks the kernel .text considerably
|
||||
# unfortunately it makes reading oopses harder.
|
||||
KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time)
|
||||
endif
|
||||
|
||||
ifdef CONFIG_X86_X32
|
||||
|
@ -26,9 +26,6 @@ cflags-y += $(call cc-option,-mpreferred-stack-boundary=2)
|
||||
# an unresolved reference.
|
||||
cflags-y += -ffreestanding
|
||||
|
||||
# gcc 4.3.0 needs -funit-at-a-time for extern inline functions.
|
||||
KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time)
|
||||
|
||||
KBUILD_CFLAGS += $(cflags-y)
|
||||
|
||||
else
|
||||
@ -50,6 +47,4 @@ ELF_FORMAT := elf64-x86-64
|
||||
LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib64
|
||||
LINK-y += -m64
|
||||
|
||||
# Do unit-at-a-time unconditionally on x86_64, following the host
|
||||
KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time)
|
||||
endif
|
||||
|
Loading…
Reference in New Issue
Block a user