linux-kernel - Re: [PATCH 4/5 v2] x86 boot: show pfn addresses in hex not decimal in some kernel info printks

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Date:	Fri, 27 Jun 2008 23:25:43 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Paul Jackson <pj@....com>, hpa@...or.com,
	yhlu.kernel@...il.com, akpm@...ux-foundation.org,
	tglx@...utronix.de, steiner@....com, travis@....com,
	linux-kernel@...r.kernel.org, ying.huang@...el.com,
	andi@...stfloor.org, Vegard Nossum <vegard.nossum@...il.com>
Subject: Re: [PATCH 4/5 v2] x86 boot: show pfn addresses in hex not decimal in some kernel info printks

> > 
> > For each Makefile (does not apply recursively):
> > ccflags-$(CONFIG_PROMOTE_WARNINGS_TO_ERROR) += -Werror
> > 
> > When I get around to it:
> > ccflags-sched.o-$(CONFIG_PROMOTE_WARNINGS_TO_ERROR) += -Werror
> 
> if there's a generic kbuild facility for it i'd love to try something 
> like that out, on files that i maintain. There should perhaps be a 
> shortcut for it? Something like:
> 
>   ccflags-sched.o += -Werror
> 
> and kbuild would decide whether CONFIG_PROMOTE_WARNINGS_TO_ERROR is set 
> and whether to filter out -Werror or not?

I would prefer to have a simpler CONFIG name and then
use the generic version.
So something like:

ccflags-sched.o-$(CONFIG_CC_Werror) += -Werror
It is in the above line obvious that we for sched.o add the -Werror
option if the CONFIG option CC_Werror is y.

	Sam
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