linux-kernel - [tip:x86/urgent] x86: Use $(OBJDUMP) instead of plain objdump

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Message-ID: <tip-e2e68ae688b0a3766cd75aedf4ed4e39be402009@git.kernel.org>
Date:	Sun, 23 Nov 2014 12:24:27 -0800
From:	tip-bot for Chris Clayton <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, eternal.n08@...il.com,
	keescook@...omium.org, hpa@...or.com, hpa@...ux.intel.com,
	chris2553@...glemail.com, tglx@...utronix.de, mingo@...nel.org,
	bp@...e.de
Subject: [tip:x86/urgent] x86: Use $(OBJDUMP) instead of plain objdump

Commit-ID:  e2e68ae688b0a3766cd75aedf4ed4e39be402009
Gitweb:     http://git.kernel.org/tip/e2e68ae688b0a3766cd75aedf4ed4e39be402009
Author:     Chris Clayton <chris2553@...glemail.com>
AuthorDate: Sat, 22 Nov 2014 09:51:10 +0000
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Sun, 23 Nov 2014 21:21:53 +0100

x86: Use $(OBJDUMP) instead of plain objdump

commit e6023367d779 '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: e6023367d779 'x86, kaslr: Prevent .bss from overlaping initrd'
Signed-off-by: Chris Clayton <chris2553@...glemail.com>
Acked-by: Kees Cook <keescook@...omium.org>
Acked-by: Borislav Petkov <bp@...e.de>
Cc: Junjie Mao <eternal.n08@...il.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: H. Peter Anvin <hpa@...ux.intel.com>
Cc: stable@...r.kernel.org
Link: http://lkml.kernel.org/r/54705C8E.1080400@googlemail.com
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 arch/x86/boot/compressed/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
index be1e07d..45abc36 100644
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -76,7 +76,7 @@ suffix-$(CONFIG_KERNEL_XZ)	:= xz
 suffix-$(CONFIG_KERNEL_LZO) 	:= lzo
 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)
 quiet_cmd_mkpiggy = MKPIGGY $@
       cmd_mkpiggy = $(obj)/mkpiggy $< $(RUN_SIZE) > $@ || ( rm -f $@ ; false )
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