From: Lee Revell <rlrevell@joe-job.com>
To: Matthew Wilcox <matthew@wil.cx>
Cc: Arjan van de Ven <arjan@infradead.org>,
Jeff Garzik <jgarzik@pobox.com>,
mike.miller@hp.com, akpm@osdl.org, axboe@suse.de,
linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org
Subject: Re: DMA mapping (was Re: [PATCH] cciss 2.6; replaces DMA masks with kernel defines)
Date: Fri, 10 Jun 2005 19:17:13 -0400 [thread overview]
Message-ID: <1118445434.6423.133.camel@mindpipe> (raw)
In-Reply-To: <20050610213003.GI24611@parcelfarce.linux.theplanet.co.uk>
On Fri, 2005-06-10 at 22:30 +0100, Matthew Wilcox wrote:
> On Fri, Jun 10, 2005 at 05:17:32PM -0400, Lee Revell wrote:
> > OK, this covers the drivers I know. I didn't make any attempt to check
> > them all.
>
> I know of two others ...
>
> sym2 has:
> #define DMA_DAC_MASK 0x000000ffffffffffULL /* 40-bit */
>
> and aic7xxx has:
> const uint64_t mask_39bit = 0x7FFFFFFFFFULL;
>
> Would you mind respinning your patch to include these?
>
I'm grepping the drivers, and what a mess. This will be a nice cleanup.
Why would someone use 0xFFFFffff?
Lee
next prev parent reply other threads:[~2005-06-10 23:19 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-10 14:34 [PATCH] cciss 2.6; replaces DMA masks with kernel defines mike.miller
2005-06-10 16:55 ` Jeff Garzik
2005-06-10 20:39 ` DMA mapping (was Re: [PATCH] cciss 2.6; replaces DMA masks with kernel defines) Lee Revell
2005-06-10 20:45 ` Arjan van de Ven
2005-06-10 20:49 ` Lee Revell
2005-06-11 18:32 ` jgarzik
2005-06-13 2:58 ` Jeff Garzik
2005-06-10 20:59 ` Lee Revell
2005-06-10 21:17 ` Lee Revell
2005-06-10 21:30 ` Matthew Wilcox
2005-06-10 23:08 ` Lee Revell
2005-06-11 13:54 ` Matthew Wilcox
2005-06-15 18:19 ` Lee Revell
2005-06-10 23:17 ` Lee Revell [this message]
2005-06-11 15:39 ` Pavel Machek
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