3.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Matthew Garrett <m...@redhat.com>
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 <m...@redhat.com>
Signed-off-by: Matt Fleming <matt.flem...@intel.com>
Acked-by: Josh Boyer <jwbo...@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
arch/x86/boot/compressed/Makefile | 3 +++
1 file changed, 3 insertions(+)
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -28,6 +28,9 @@ VMLINUX_OBJS = $(obj)/vmlinux.lds $(obj)
$(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
--
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