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| author | Matthew Garrett <mjg@redhat.com> | 2012-07-26 18:00:00 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-13 05:38:57 +0900 |
| commit | b4bec66863ab1c55ccc1a9b01988b8b6b5abac87 (patch) | |
| tree | f4e7db48a666c7f4d3c3ae2fa4a5fe96b0010870 | |
| parent | d9302b128e4640df707c99335b3f3ad0e13d0148 (diff) | |
| download | lwn-b4bec66863ab1c55ccc1a9b01988b8b6b5abac87.tar.gz lwn-b4bec66863ab1c55ccc1a9b01988b8b6b5abac87.zip | |
efi: Build EFI stub with EFI-appropriate options
commit 9dead5bbb825d7c25c0400e61de83075046322d0 upstream.
We can't assume the presence of the red zone while we're still in a boot
services environment, so we should build with -fno-red-zone to avoid
problems. Change the size of wchar at the same time to make string handling
simpler.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Acked-by: Josh Boyer <jwboyer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | arch/x86/boot/compressed/Makefile | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile index e398bb5d63bb..8a84501acb1b 100644 --- a/arch/x86/boot/compressed/Makefile +++ b/arch/x86/boot/compressed/Makefile @@ -28,6 +28,9 @@ VMLINUX_OBJS = $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o \ $(obj)/string.o $(obj)/cmdline.o $(obj)/early_serial_console.o \ $(obj)/piggy.o +$(obj)/eboot.o: KBUILD_CFLAGS += -fshort-wchar -mno-red-zone +$(obj)/efi_stub_$(BITS).o: KBUILD_CLFAGS += -fshort-wchar -mno-red-zone + ifeq ($(CONFIG_EFI_STUB), y) VMLINUX_OBJS += $(obj)/eboot.o $(obj)/efi_stub_$(BITS).o endif |