linux-kernel - Re: [PATCH] x86-32: always use irq stacks

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Message-ID: <20100616073240.GA12064@elte.hu>
Date:	Wed, 16 Jun 2010 09:32:40 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Christoph Hellwig <hch@....de>
Cc:	x86@...nel.org, linux-kernel@...r.kernel.org,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: [PATCH] x86-32: always use irq stacks


* Christoph Hellwig <hch@....de> wrote:

> On Wed, Jun 16, 2010 at 07:56:09AM +0200, Ingo Molnar wrote:
> > 
> > * Christoph Hellwig <hch@....de> wrote:
> > 
> > > ping?  This just came up again as a side-issue in the direct reclaim thread.  
> > > x86-32 really is the only one out there still having this compared to the 
> > > other common architetures like x86-64, powerpc and s390.
> > 
> > We should also make 8K stacks the default on 32-bit. I.e. remove all the 
> > Kconfig distinctions and make the stack model similar on 32-bit and 64-bit 
> > x86.
> 
> Sounds fine to me.  Do you want an additional patch for that or a respin
> to include it in one patch?

Two patches would be fine too - gives people something more finegrained to 
bisect to, should there be any problems.

Thanks,

	Ingo
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