[tip:x86/asm] x86/build: Specify -input-charset=utf-8 for mkisofs

[tip-bot for Changbin Du <tipbot@zytor.com>]

Commit-ID:  c306ba7b909408dbf935bb4a8dc62fae64cb337c
Gitweb:     https://git.kernel.org/tip/c306ba7b909408dbf935bb4a8dc62fae64cb337c
Author:     Changbin Du <changbin.du@intel.com>
AuthorDate: Mon, 6 Nov 2017 11:32:58 +0800
Committer:  Ingo Molnar <mingo@kernel.org>
CommitDate: Tue, 7 Nov 2017 11:22:20 +0100

x86/build: Specify -input-charset=utf-8 for mkisofs

It avoids the following warning triggered by newer versions of mkisofs:

    -input-charset not specified, using utf-8 (detected in locale settings)

Signed-off-by: Changbin Du <changbin.du@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: yamada.masahiro@socionext.com
Link: http://lkml.kernel.org/r/1509939179-7556-4-git-send-email-changbin.du@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 arch/x86/boot/genimage.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/x86/boot/genimage.sh b/arch/x86/boot/genimage.sh
index 6c8100b..628e936 100644
--- a/arch/x86/boot/genimage.sh
+++ b/arch/x86/boot/genimage.sh
@@ -103,8 +103,9 @@ genisoimage() {
 	if [ -f "$FDINITRD" ] ; then
 		cp "$FDINITRD" $tmp_dir/initrd.img
 	fi
-	mkisofs -J -r -o $FIMAGE -b isolinux.bin -c boot.cat \
-		-no-emul-boot -boot-load-size 4 -boot-info-table $tmp_dir
+	mkisofs -J -r -input-charset=utf-8 -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
 	rm -rf $tmp_dir
 }