linux-kernel - Re: [PATCH] x86: BUILD_IRQ say .text to avoid .data.percpu

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Message-ID: <Pine.LNX.4.64.0807220444460.3190@blonde.site>
Date:	Tue, 22 Jul 2008 04:49:10 +0100 (BST)
From:	Hugh Dickins <hugh@...itas.com>
To:	Mike Travis <travis@....com>
cc:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: BUILD_IRQ say .text to avoid .data.percpu

On Mon, 21 Jul 2008, Mike Travis wrote:
> Hugh Dickins wrote:
> > When I edit the x86_64 Makefile to -fno-unit-at-a-time, bootup panics
> > on 0xCCs in IRQ0x3e_interrupt(): IRQ0x20_interrupt etc. have got linked
> > into .data.percpu.  Perhaps there are other ways of triggering that:
> > specify ".text" in the BUILD_IRQ() macro for safety.
>
> Thanks Hugh.  Btw, which GCC are you using?

openSUSE 10.3's gcc (GCC) 4.2.1 (SUSE Linux)
along with their binutils-2.17.50.20070726-14

Hugh
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