From: Jens Axboe <axboe@suse.de>
To: "David S. Miller" <davem@redhat.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [patch] zero-bounce highmem I/O
Date: Wed, 15 Aug 2001 11:17:48 +0200 [thread overview]
Message-ID: <20010815111748.E545@suse.de> (raw)
In-Reply-To: <20010815095018.B545@suse.de> <20010815.021133.71088933.davem@redhat.com>
In-Reply-To: <20010815.021133.71088933.davem@redhat.com>
On Wed, Aug 15 2001, David S. Miller wrote:
> From: Jens Axboe <axboe@suse.de>
> Date: Wed, 15 Aug 2001 09:50:18 +0200
>
> Dave, comments on that?
>
> I think the new-style sg_list is slightly overkill, too much
> stuff. You need much less, in fact, especially on x86.
>
> Take include/linux/skbuff.h:skb_frag_struct, rename it to
> sg_list and add a dma_addr_t. You should need nothing else.
> The bounce page, for example, is superfluous.
Ok agreed, fine with me.
> If you bounce, the bounce page can be determined later via the
> dma_addr_t right?
That's true.
> And Dave, should I add the 64-bit stuff I started again? :-)
>
> Let me draft something up, and meanwhile you can think about
> the changes I suggest above. Ok?
Ok done from my side :)
--
Jens Axboe
next prev parent reply other threads:[~2001-08-15 9:39 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-08-15 7:50 [patch] zero-bounce highmem I/O Jens Axboe
2001-08-15 9:11 ` David S. Miller
2001-08-15 9:17 ` Jens Axboe [this message]
2001-08-15 9:26 ` Jens Axboe
2001-08-15 10:22 ` David S. Miller
2001-08-15 11:13 ` Jens Axboe
2001-08-15 11:47 ` David S. Miller
2001-08-15 12:07 ` Jens Axboe
2001-08-15 12:35 ` David S. Miller
2001-08-15 13:10 ` Jens Axboe
2001-08-15 14:25 ` David S. Miller
2001-08-16 11:51 ` Jens Axboe
2001-08-16 11:56 ` David S. Miller
2001-08-16 12:03 ` Jens Axboe
2001-08-16 12:14 ` Gerd Knorr
2001-08-16 12:27 ` David S. Miller
2001-08-16 12:48 ` Jens Axboe
2001-08-16 12:56 ` Jens Axboe
2001-08-16 13:08 ` David S. Miller
2001-08-16 12:34 ` David S. Miller
2001-08-16 13:35 ` Gerd Knorr
2001-08-16 14:15 ` David S. Miller
2001-08-16 12:28 ` kill alt_address (Re: [patch] zero-bounce highmem I/O) David S. Miller
2001-08-15 14:02 ` [patch] zero-bounce highmem I/O David S. Miller
2001-08-16 5:52 ` Jens Axboe
2001-08-15 19:20 ` Gérard Roudier
2001-08-16 8:12 ` David S. Miller
[not found] <no.id>
2001-08-16 14:56 ` Alan Cox
2001-08-17 10:18 ` Gerd Knorr
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