linux-kernel - Re: PATCH: Add --size-check=[error|warning]

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Message-ID: <4D7E4338.1060302@zytor.com>
Date:	Mon, 14 Mar 2011 09:32:56 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Jan Beulich <JBeulich@...ell.com>
CC:	sedat.dilek@...il.com, Alan Modra <amodra@...pond.net.au>,
	Ingo Molnar <mingo@...e.hu>, "H.J. Lu" <hjl.tools@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	binutils <binutils@...rceware.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: PATCH: Add --size-check=[error|warning]

On 03/14/2011 04:26 AM, Jan Beulich wrote:
> 
> Making the kernel build system check for certain newly introduced
> gas options would again require changes to the kernel sources,
> which is precisely what is impossible to do for past kernel releases
> (and bisection in particular).
> 

But something like "make CC='gcc -Wa,--size-check=warning'" should work,
I believe (tweaking may be required, but that's the idea).  Passing an
option to the assembler is a helluva lot easier than redirecting to a
different assembler.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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