From: Jens Axboe <axboe@suse.de>
To: Andreas Schwab <schwab@suse.de>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@elte.hu>, Arjan Van de Ven <arjanv@redhat.com>
Subject: Re: [patch] block highmem zero-bounce #17
Date: Fri, 19 Oct 2001 15:13:31 +0200 [thread overview]
Message-ID: <20011019151331.E5509@suse.de> (raw)
In-Reply-To: <20011018144047.E4825@suse.de> <jen12n4w1v.fsf@sykes.suse.de>
In-Reply-To: <jen12n4w1v.fsf@sykes.suse.de>
On Fri, Oct 19 2001, Andreas Schwab wrote:
> using a private struct. Why did you switch to struct scatterlist in the
> first place??
BTW, let me expand on this one. The sg_list change was dropped, davem
and I decided to evolve the current scatterlist in two steps:
- add ->page and ->offset and have the PCI DMA mapping interface use
that if available. This step has already been taken with the pci64
patches.
- Remove ->address completely. This step must be taken to ensure that
drivers will be highmem safe. Period. Don't know when we will do this
yet.
--
Jens Axboe
prev parent reply other threads:[~2001-10-19 13:13 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-10-18 12:40 [patch] block highmem zero-bounce #17 Jens Axboe
2001-10-19 13:08 ` Andreas Schwab
2001-10-19 13:10 ` Jens Axboe
2001-10-19 13:58 ` Andreas Schwab
2001-10-19 13:59 ` Jens Axboe
2001-10-19 13:13 ` Jens Axboe [this message]
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