From: akepner@sgi.com
To: Jes Sorensen <jes@sgi.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
rdreier@cisco.com, linux-ia64 <linux-ia64@vger.kernel.org>
Subject: Re: [PATCH 2/3] dma: override "dma_flags_set_dmaflush" for sn-ia64
Date: Mon, 20 Aug 2007 16:07:09 +0000 [thread overview]
Message-ID: <20070820160709.GA28963@sgi.com> (raw)
In-Reply-To: <46C94FD5.6000006@sgi.com>
On Mon, Aug 20, 2007 at 10:24:53AM +0200, Jes Sorensen wrote:
> I'm a little concerned about changing the API for the dma_ foo
> functions, which are defined cross platform. If you want to change
> that, I think it will require updating the documentation explaining
> it.
Good idea. I'll post a documentation patchette.
>
> Regarding ARCH_DOES_POSTED_DMA, is that sufficient as a #define or
> does it have to be run-time tested? (does it do anything at this
> stage). I ask since not all ia64 platforms do posted DMA.
>
I think a #define is exactly what we want here.
The newly #define-ed function (for now, and maybe forever) does
nothing except on IA64_SGI_SN2, which does posted DMA.
--
Arthur
WARNING: multiple messages have this Message-ID (diff)
From: akepner@sgi.com
To: Jes Sorensen <jes@sgi.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
rdreier@cisco.com, linux-ia64 <linux-ia64@vger.kernel.org>
Subject: Re: [PATCH 2/3] dma: override "dma_flags_set_dmaflush" for sn-ia64
Date: Mon, 20 Aug 2007 09:07:09 -0700 [thread overview]
Message-ID: <20070820160709.GA28963@sgi.com> (raw)
In-Reply-To: <46C94FD5.6000006@sgi.com>
On Mon, Aug 20, 2007 at 10:24:53AM +0200, Jes Sorensen wrote:
> I'm a little concerned about changing the API for the dma_ foo
> functions, which are defined cross platform. If you want to change
> that, I think it will require updating the documentation explaining
> it.
Good idea. I'll post a documentation patchette.
>
> Regarding ARCH_DOES_POSTED_DMA, is that sufficient as a #define or
> does it have to be run-time tested? (does it do anything at this
> stage). I ask since not all ia64 platforms do posted DMA.
>
I think a #define is exactly what we want here.
The newly #define-ed function (for now, and maybe forever) does
nothing except on IA64_SGI_SN2, which does posted DMA.
--
Arthur
next prev parent reply other threads:[~2007-08-20 16:07 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-18 0:27 [PATCH 2/3] dma: override "dma_flags_set_dmaflush" for sn-ia64 akepner
2007-08-20 8:24 ` Jes Sorensen
2007-08-20 8:24 ` Jes Sorensen
2007-08-20 16:07 ` akepner [this message]
2007-08-20 16:07 ` akepner
2007-08-21 19:35 ` akepner
2007-08-21 19:35 ` akepner
2007-08-21 20:05 ` Randy Dunlap
2007-08-21 20:05 ` Randy Dunlap
2007-08-21 20:55 ` James Bottomley
2007-08-21 20:55 ` James Bottomley
2007-08-22 0:34 ` akepner
2007-08-22 0:34 ` akepner
2007-08-22 1:14 ` James Bottomley
2007-08-22 1:14 ` James Bottomley
2007-08-22 7:39 ` Jes Sorensen
2007-08-22 7:39 ` Jes Sorensen
2007-08-22 14:02 ` James Bottomley
2007-08-22 14:02 ` James Bottomley
2007-08-22 16:03 ` Jesse Barnes
2007-08-22 16:03 ` Jesse Barnes
2007-08-22 16:44 ` James Bottomley
2007-08-22 16:44 ` James Bottomley
2007-08-22 16:51 ` Jesse Barnes
2007-08-22 16:51 ` Jesse Barnes
2007-08-22 17:04 ` James Bottomley
2007-08-22 17:04 ` James Bottomley
2007-08-22 17:03 ` Jes Sorensen
2007-08-22 17:03 ` Jes Sorensen
2007-08-22 18:10 ` James Bottomley
2007-08-22 18:10 ` James Bottomley
2007-08-23 8:45 ` Jes Sorensen
2007-08-23 8:45 ` Jes Sorensen
2007-08-22 17:17 ` Jesse Barnes
2007-08-22 17:17 ` Jesse Barnes
2007-08-22 18:13 ` James Bottomley
2007-08-22 18:13 ` James Bottomley
2007-08-22 18:44 ` akepner
2007-08-22 18:44 ` akepner
2007-08-23 5:58 ` Jeremy Higdon
2007-08-23 5:58 ` Jeremy Higdon
2007-08-22 15:54 ` akepner
2007-08-22 15:54 ` akepner
2007-08-21 20:16 ` Matthew Wilcox
2007-08-21 20:16 ` Matthew Wilcox
2007-08-21 21:37 ` akepner
2007-08-21 21:37 ` akepner
2007-08-22 7:44 ` Jes Sorensen
2007-08-22 7:44 ` Jes Sorensen
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