From: "Gérard Roudier" <groudier@free.fr>
To: "David S. Miller" <davem@redhat.com>
Cc: <andrea@suse.de>, <axboe@suse.de>, <gibbs@scsiguy.com>,
<LB33JM16@yahoo.com>, <linux-kernel@vger.kernel.org>
Subject: Re: highmem, aic7xxx, and vfat: too few segs for dma mapping
Date: Thu, 13 Dec 2001 17:39:19 +0100 (CET) [thread overview]
Message-ID: <20011213173234.B1979-100000@gerard> (raw)
In-Reply-To: <20011212.160631.14975630.davem@redhat.com>
On Wed, 12 Dec 2001, David S. Miller wrote:
> From: Gérard Roudier <groudier@free.fr>
> Date: Wed, 12 Dec 2001 18:22:30 +0100 (CET)
>
> PCI was intended to be implemented as a LOCAL BUS with all agents on the
> LOCAL BUS being able to talk with any other agent using a flat addressing
> scheme. Your PCI thing does not look like true PCI to me, but rather like
> some bad mutant that has every chance not to survive a long time.
>
> Intentions are neither here nor there. PCI is MORE USEFUL, because
> you CAN do things like IOMMU's and treat PCI like a complete seperate
> I/O bus world.
But there are a couple of things you cannot do with PCI. For example, you
cannot mow the lawn with PCI. But since there is always room for
improvement... :-) :-)
Gérard.
next prev parent reply other threads:[~2001-12-13 19:33 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-12-10 1:32 highmem, aic7xxx, and vfat: too few segs for dma mapping LBJM
2001-12-10 18:40 ` Justin T. Gibbs
2001-12-10 19:21 ` Jens Axboe
2001-12-10 19:50 ` Justin T. Gibbs
2001-12-10 20:03 ` Jens Axboe
2001-12-10 19:21 ` Gérard Roudier
2001-12-11 6:12 ` David S. Miller
2001-12-11 17:01 ` Gérard Roudier
2001-12-12 9:36 ` Jens Axboe
2001-12-12 13:32 ` Andrea Arcangeli
2001-12-12 17:22 ` Gérard Roudier
2001-12-12 22:19 ` Andrea Arcangeli
2001-12-12 20:24 ` Gérard Roudier
2001-12-13 0:26 ` David S. Miller
2001-12-13 16:17 ` Gérard Roudier
2001-12-13 20:30 ` David S. Miller
2001-12-13 18:13 ` Gérard Roudier
2001-12-13 0:06 ` David S. Miller
2001-12-13 16:39 ` Gérard Roudier [this message]
2001-12-12 16:39 ` Gérard Roudier
2001-12-13 20:10 ` Steve Lord
2001-12-13 20:15 ` Justin T. Gibbs
2001-12-13 20:29 ` Steve Lord
2001-12-13 20:48 ` Justin T. Gibbs
2001-12-13 20:58 ` Steve Lord
2001-12-13 21:17 ` Steve Lord
2001-12-13 21:27 ` David S. Miller
2001-12-14 15:16 ` Jens Axboe
2001-12-14 16:15 ` Jens Axboe
2001-12-14 16:22 ` Alok K. Dhir
2001-12-14 16:32 ` Jens Axboe
2001-12-14 16:25 ` Stephen Lord
2001-12-14 16:24 ` Jens Axboe
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