linux-kernel - [tip:x86/urgent] x86/build: Silence the build with "make -s"

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Message-ID: <tip-d460131dd50599e0e9405d5f4ae02c27d529a44a@git.kernel.org>
Date:   Thu, 20 Jul 2017 03:26:15 -0700
From:   tip-bot for Arnd Bergmann <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     matt@...eblueprint.co.uk, peterz@...radead.org, tglx@...utronix.de,
        hpa@...or.com, linux-kernel@...r.kernel.org,
        torvalds@...ux-foundation.org, mingo@...nel.org, arnd@...db.de
Subject: [tip:x86/urgent] x86/build: Silence the build with "make -s"

Commit-ID:  d460131dd50599e0e9405d5f4ae02c27d529a44a
Gitweb:     http://git.kernel.org/tip/d460131dd50599e0e9405d5f4ae02c27d529a44a
Author:     Arnd Bergmann <arnd@...db.de>
AuthorDate: Wed, 19 Jul 2017 14:53:03 +0200
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Thu, 20 Jul 2017 10:46:24 +0200

x86/build: Silence the build with "make -s"

Every kernel build on x86 will result in some output:

  Setup is 13084 bytes (padded to 13312 bytes).
  System is 4833 kB
  CRC 6d35fa35
  Kernel: arch/x86/boot/bzImage is ready  (#2)

This shuts it up, so that 'make -s' is truely silent as long as
everything works. Building without '-s' should produce unchanged
output.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Matt Fleming <matt@...eblueprint.co.uk>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Link: http://lkml.kernel.org/r/20170719125310.2487451-6-arnd@arndb.de
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/boot/Makefile | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
index 0d810fb..d88a2fd 100644
--- a/arch/x86/boot/Makefile
+++ b/arch/x86/boot/Makefile
@@ -73,12 +73,13 @@ UBSAN_SANITIZE := n
 $(obj)/bzImage: asflags-y  := $(SVGA_MODE)
 
 quiet_cmd_image = BUILD   $@
+silent_redirect_image = >/dev/null
 cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin \
-			       $(obj)/zoffset.h $@
+			       $(obj)/zoffset.h $@ $($(quiet)redirect_image)
 
 $(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE
 	$(call if_changed,image)
-	@echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
+	@$(kecho) 'Kernel: $@ is ready' ' (#'`cat .version`')'
 
 OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note -R .comment -S
 $(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE