lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Wed, 15 Oct 2014 09:06:28 -0400 From: Vivek Goyal <vgoyal@...hat.com> To: WANG Chao <chaowang@...hat.com> Cc: "H. Peter Anvin" <hpa@...or.com>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, "maintainer:X86 ARCHITECTURE..." <x86@...nel.org>, Andrew Morton <akpm@...ux-foundation.org>, Baoquan He <bhe@...hat.com>, Stephen Rothwell <sfr@...b.auug.org.au>, "open list:X86 ARCHITECTURE..." <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] arch/x86/purgatory/Makefile: supress kexec-purgatory.c is up to date message On Wed, Oct 15, 2014 at 10:14:31AM +0800, WANG Chao wrote: > On 10/14/14 at 05:52pm, Vivek Goyal wrote: > > On Tue, Oct 14, 2014 at 12:46:58PM +0800, WANG Chao wrote: > > > Supress 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@...hat.com> > > > --- > > > arch/x86/purgatory/Makefile | 1 + > > > 1 file changed, 1 insertion(+) > > > > > > diff --git a/arch/x86/purgatory/Makefile b/arch/x86/purgatory/Makefile > > > index f52e033..2c835e3 100644 > > > --- a/arch/x86/purgatory/Makefile > > > +++ b/arch/x86/purgatory/Makefile > > > @@ -24,6 +24,7 @@ quiet_cmd_bin2c = BIN2C $@ > > > > > > $(obj)/kexec-purgatory.c: $(obj)/purgatory.ro FORCE > > > $(call if_changed,bin2c) > > > + @: > > > > Where can I find the description of "@:" and how does it work? > > @ is used to suppress echo'ing. See: > https://www.gnu.org/software/make/manual/html_node/Echoing.html > > This is a trick to avoid "... is up to date" message". Check out commit > a9358bc ("x86/build: Supress realmode.bin is up to date message"). Thanks for the explanations. Looks good to me. Acked-by: Vivek Goyal <vgoyal@...hat.com> Vivek -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists