[tip:x86/build] x86/purgatory, build: Suppress kexec-purgatory.c is up to date message

[tip-bot for WANG Chao]

Commit-ID:  3ea4b8ee2419e21295cabab66c317612c5a55d26
Gitweb:     http://git.kernel.org/tip/3ea4b8ee2419e21295cabab66c317612c5a55d26
Author:     WANG Chao <chaowang@xxxxxxxxxx>
AuthorDate: Tue, 14 Oct 2014 12:46:58 +0800
Committer:  H. Peter Anvin <hpa@xxxxxxxxx>
CommitDate: Wed, 15 Oct 2014 08:31:21 -0700

x86/purgatory, build: Suppress kexec-purgatory.c is up to date message

Suppress this unnecessary message during kernel re-build
(CONFIG_KEXEC_FILE=y):

make[1]: `arch/x86/purgatory/kexec-purgatory.c' is up to date.

Signed-off-by: WANG Chao <chaowang@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/1413262019-3759-1-git-send-email-chaowang@xxxxxxxxxx
Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxx>
---
 arch/x86/purgatory/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/purgatory/Makefile b/arch/x86/purgatory/Makefile
index 899dd24..2c41066 100644
--- a/arch/x86/purgatory/Makefile
+++ b/arch/x86/purgatory/Makefile
@@ -23,6 +23,7 @@ quiet_cmd_bin2c = BIN2C   $@
 
 $(obj)/kexec-purgatory.c: $(obj)/purgatory.ro FORCE
 	$(call if_changed,bin2c)
+	@:
 
 
 obj-$(CONFIG_KEXEC_FILE)	+= kexec-purgatory.o
--
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