From: Pavel Machek <pavel@suse.cz>
To: Lee Revell <rlrevell@joe-job.com>
Cc: Matthew Wilcox <matthew@wil.cx>,
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: Sat, 11 Jun 2005 17:39:07 +0200 [thread overview]
Message-ID: <20050611153907.GA2002@elf.ucw.cz> (raw)
In-Reply-To: <1118445434.6423.133.camel@mindpipe>
Hi!
> > 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?
To make it easier to count Fs?
Pavel
prev parent reply other threads:[~2005-06-11 15:40 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
2005-06-11 15:39 ` Pavel Machek [this message]
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