On Tue, Oct 16, 2007 at 11:11:01PM +0200, Markus Trippelsdorf wrote:
> Bisecting shows that:
>
> commit f77bf01425b11947eeb3b5b54685212c302741b8
> Author: Sam Ravnborg <sam@neptun.(none)>
> Date: Mon Oct 15 22:25:06 2007 +0200
>
> kbuild: introduce ccflags-y, asflags-y and ldflags-y
>
> breaks booting with grub here. Grub stops with error 28:
> Selected item cannot fit into memory.
>
> Reverting the commit fixes the problem.
Thanks for this excellent report!
Following patch fixes the issue.
The target specific assignmnet used in x86/boot fooled kbuild.
I have audited the kernel for similar uses and found no
other places this was used.
Linus please pull the fix below from:
ssh://master.kernel.org/pub/scm/linux/kernel/git/sam/kbuild.git
Sam
diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt
diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
index d6ed8e5..e8756e5 100644
--- a/arch/x86/boot/Makefile
+++ b/arch/x86/boot/Makefile
@@ -64,10 +64,10 @@ KBUILD_CFLAGS := $(LINUXINCLUDE) -g -Os -D_SETUP -D__KERNEL__ \
KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
$(obj)/zImage: IMAGE_OFFSET := 0x1000
-$(obj)/zImage: EXTRA_AFLAGS := $(SVGA_MODE) $(RAMDISK)
+$(obj)/zImage: asflags-y := $(SVGA_MODE) $(RAMDISK)
$(obj)/bzImage: IMAGE_OFFSET := 0x100000
-$(obj)/bzImage: EXTRA_CFLAGS := -D__BIG_KERNEL__
-$(obj)/bzImage: EXTRA_AFLAGS := $(SVGA_MODE) $(RAMDISK) -D__BIG_KERNEL__
+$(obj)/bzImage: ccflags-y := -D__BIG_KERNEL__
+$(obj)/bzImage: asflags-y := $(SVGA_MODE) $(RAMDISK) -D__BIG_KERNEL__
$(obj)/bzImage: BUILDFLAGS := -b
quiet_cmd_image = BUILD $@
-
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