linux-kernel - Re: [PATCH] ATA convert GSI to irq on ia64

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Date:	Thu, 8 Feb 2007 20:34:53 +0000
From:	Christoph Hellwig <hch@...radead.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Christoph Hellwig <hch@...radead.org>,
	"Zhang, Yanmin" <yanmin_zhang@...ux.intel.com>,
	LKML <linux-kernel@...r.kernel.org>, linux-scsi@...r.kernel.org,
	linux-ide@...r.kernel.org, Jeff Garzik <jgarzik@...ox.com>
Subject: Re: [PATCH] ATA convert GSI to irq on ia64

On Thu, Feb 08, 2007 at 12:25:39PM -0800, Andrew Morton wrote:
> On Thu, 8 Feb 2007 19:42:04 +0000
> Christoph Hellwig <hch@...radead.org> wrote:
> 
> > On Thu, Feb 08, 2007 at 03:40:22PM +0800, Zhang, Yanmin wrote:
> > > If an ATA drive uses legacy mode, ata driver will choose 14 and 15 as the
> > > fixed irq number. On ia64 platform, such numbers are GSI and should be converted
> > > to irq vector.
> > > 
> > > Below patch against kernel 2.6.20 fixes it.
> > 
> > These direct arch ifdefs in core aren't acceptable.
> 
> For 2.6.21 that's true.  But this is a suitable fix for 2.6.20.x, no?

Just putting in an #ifndef and allow to to set it up in asm/ata.h
is almost as trivial and a lot nice conceptually.  Then again
what happened to the idea of putting fixes into mainline before
-stable?
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