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From:   changbin.du@intel.com
To:     mingo@redhat.com, hpa@zytor.com, tglx@linutronix.de
Cc:     x86@kernel.org, linux-kernel@vger.kernel.org,
        Changbin Du <changbin.du@intel.com>,
        Ingo Molnar <mingo@kernel.org>
Subject: [PATCH] x86, build: Make genimage.sh little more quite
Date:   Wed,  8 Nov 2017 16:22:46 +0800
Message-Id: <1510129366-18314-1-git-send-email-changbin.du@intel.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

From: Changbin Du <changbin.du@intel.com>

This change suppresses the 'dd' output and adds '-quite' parameter
to mkisofs tool. None of the messages matter to the user. Now:

$ make isoimage
...
Kernel: arch/x86/boot/bzImage is ready  (#75)
  GENIMAGE arch/x86/boot/image.iso
Using /usr/lib/ISOLINUX/isolinux.bin
Using /usr/lib/syslinux/modules/bios/ldlinux.c32
Kernel: arch/x86/boot/image.iso is ready

Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Changbin Du <changbin.du@intel.com>
---
 arch/x86/boot/genimage.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/boot/genimage.sh b/arch/x86/boot/genimage.sh
index 628e936..86e2639 100644
--- a/arch/x86/boot/genimage.sh
+++ b/arch/x86/boot/genimage.sh
@@ -50,7 +50,7 @@ genbzdisk() {
 }
 
 genfdimage144() {
-	dd if=/dev/zero of=$FIMAGE bs=1024 count=1440
+	dd if=/dev/zero of=$FIMAGE bs=1024 count=1440 2> /dev/null
 	mformat v:
 	syslinux $FIMAGE
 	echo "$KCMDLINE" | mcopy - v:syslinux.cfg
@@ -61,7 +61,7 @@ genfdimage144() {
 }
 
 genfdimage288() {
-	dd if=/dev/zero of=$FIMAGE bs=1024 count=2880
+	dd if=/dev/zero of=$FIMAGE bs=1024 count=2880 2> /dev/null
 	mformat w:
 	syslinux $FIMAGE
 	echo "$KCMDLINE" | mcopy - W:syslinux.cfg
@@ -103,7 +103,7 @@ genisoimage() {
 	if [ -f "$FDINITRD" ] ; then
 		cp "$FDINITRD" $tmp_dir/initrd.img
 	fi
-	mkisofs -J -r -input-charset=utf-8 -o $FIMAGE -b isolinux.bin \
+	mkisofs -J -r -input-charset=utf-8 -quiet -o $FIMAGE -b isolinux.bin \
 		-c boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table \
 		$tmp_dir
 	isohybrid $FIMAGE 2>/dev/null || true
-- 
2.7.4


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