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Message-Id: <1343340000-7587-1-git-send-email-mjg@redhat.com> Date: Thu, 26 Jul 2012 18:00:00 -0400 From: Matthew Garrett <mjg@...hat.com> To: matt.fleming@...el.com Cc: linux-efi@...r.kernel.org, linux-kernel@...r.kernel.org, x86@...nel.org, Matthew Garrett <mjg@...hat.com> Subject: [PATCH] efi: Build EFI stub with EFI-appropriate options 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@...hat.com> --- arch/x86/boot/compressed/Makefile | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile index e398bb5..8a84501 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 -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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