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From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Adrian Bunk <bunk@kernel.org>
Cc: Mark McLoughlin <markmc@redhat.com>,
	xen-devel@lists.xensource.com,
	Eduardo Habkost <ehabkost@redhat.com>,
	Stephen Tweedie <sct@redhat.com>,
	linux-kernel@vger.kernel.org, Simon Horman <horms@verge.net.au>,
	"H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@elte.hu>,
	Thomas Gleixner <tglx@linutronix.de>,
	Dhaval Giani <dhaval@linux.vnet.ibm.com>
Subject: Re: [Xen-devel] Re: Allow compile with CONFIG_DEBUG_INFO=y,	X86_PAE not set on gcc 3.4.5
Date: Fri, 08 Aug 2008 08:21:41 -0700	[thread overview]
Message-ID: <489C6485.7050009@goop.org> (raw)
In-Reply-To: <20080808080155.GA1992@cs181140183.pp.htv.fi>

Adrian Bunk wrote:
> CONFIG_DEBUG_INFO=y is why I never hit it before.
>
> It does not seem to be just one dodgy Redhat compiler (as I assumed in 
> the Bugzilla entry) but the whole 3.4 series of gcc which makes our 
> resolution of saying that this specific compiler is broken invalid.
>
> Considering that we officially support all compilers >= 3.2 this is just 
> one more case where we have to add to the kernel a workaround for a 
> broken compiler.
>   

Yes.  I'm happy to write off a specific rpm package, but a whole series 
is a different matter.

Adding

	if (PREALLOCATED_PMDS == 0)
		return;

in the appropriate places with a small comment seems like the right answer.

    J

  reply	other threads:[~2008-08-08 15:22 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-08  5:04 Allow compile with CONFIG_DEBUG_INFO=y, X86_PAE not set on gcc 3.4.5 Simon Horman
2008-08-08  6:37 ` Jeremy Fitzhardinge
2008-08-08  7:50   ` Simon Horman
2008-08-08  8:01   ` Adrian Bunk
2008-08-08 15:21     ` Jeremy Fitzhardinge [this message]
2008-08-08 16:13       ` [Xen-devel] " Adrian Bunk
2008-08-08 18:01         ` Jeremy Fitzhardinge
2008-08-08 18:37           ` Adrian Bunk
2008-08-08 20:46             ` [PATCH] x86: work around gcc 3.4.x bug Jeremy Fitzhardinge
2008-08-09  6:29               ` Simon Horman
2008-08-11 16:44                 ` Ingo Molnar

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