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x86: Use $(OBJDUMP) instead of plain objdump 

commit e6023367d7 'x86, kaslr: Prevent .bss from overlaping initrd'
broke the cross compile of x86. It added a objdump invocation, which
invokes the host native objdump and ignores an active cross tool
chain.

Use $(OBJDUMP) instead which takes the CROSS_COMPILE prefix into
account.

[ tglx: Massage changelog and use $(OBJDUMP) ]

Fixes: e6023367d7 'x86, kaslr: Prevent .bss from overlaping initrd'
Signed-off-by: Chris Clayton <chris2553@googlemail.com>
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Borislav Petkov <bp@suse.de>
Cc: Junjie Mao <eternal.n08@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: H. Peter Anvin <hpa@linux.intel.com>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/54705C8E.1080400@googlemail.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Chris Clayton 2014-11-22 09:51:10 +00:00 committed by Thomas Gleixner
parent 8a84e01e14
commit e2e68ae688
1 changed files with 1 additions and 1 deletions
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2
arch/x86/boot/compressed/Makefile
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@ -76,7 +76,7 @@ suffix-$(CONFIG_KERNEL_XZ) := xz
suffix-$(CONFIG_KERNEL_LZO) := lzo suffix-$(CONFIG_KERNEL_LZO) := lzo
suffix-$(CONFIG_KERNEL_LZ4) := lz4 suffix-$(CONFIG_KERNEL_LZ4) := lz4
RUN_SIZE = $(shell objdump -h vmlinux | \ RUN_SIZE = $(shell $(OBJDUMP) -h vmlinux | \
perl $(srctree)/arch/x86/tools/calc_run_size.pl) perl $(srctree)/arch/x86/tools/calc_run_size.pl)
quiet_cmd_mkpiggy = MKPIGGY $@ quiet_cmd_mkpiggy = MKPIGGY $@
cmd_mkpiggy = $(obj)/mkpiggy $< $(RUN_SIZE) > $@ || ( rm -f $@ ; false ) cmd_mkpiggy = $(obj)/mkpiggy $< $(RUN_SIZE) > $@ || ( rm -f $@ ; false )