From: Andi Kleen <ak@suse.de>
To: "David S. Miller" <davem@redhat.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Prefered method to map PCI memory into userspace.
Date: 27 Sep 2003 07:09:01 +0200 [thread overview]
Message-ID: <p7365je6cnm.fsf@oldwotan.suse.de> (raw)
In-Reply-To: <20030926210034.3a1b4de7.davem@redhat.com.suse.lists.linux.kernel>
"David S. Miller" <davem@redhat.com> writes:
> If someone is looking for something to do, it would be incredibly
> value to make it so that all arches support this, and in particular
> get right the case of mmap()'ing the PCI host bridge.
>
> If this were done, the PCI domain code in xfree86 could be enabled
> for all Linux platforms, not just the ones that have this implemented
> properly.
What semantics would it have? Can the "seek offset" just be the
bus address?
If yes then it would be trivial to implement for x86/x86-64
-andi
next prev parent reply other threads:[~2003-09-27 5:09 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1064609623.16160.11.camel@ArchiveLinux.suse.lists.linux.kernel>
2003-09-26 22:03 ` Andi Kleen
2003-09-27 4:01 ` David S. Miller
[not found] ` <20030926211740.GA27352@tsunami.ccur.com.suse.lists.linux.kernel>
[not found] ` <1064623209.631.26.camel@gaston.suse.lists.linux.kernel>
[not found] ` <20030926210034.3a1b4de7.davem@redhat.com.suse.lists.linux.kernel>
2003-09-27 5:09 ` Andi Kleen [this message]
2003-09-27 23:39 ` David S. Miller
[not found] <A8WS.6Uf.9@gated-at.bofh.it>
[not found] ` <A8WR.6Uf.7@gated-at.bofh.it>
[not found] ` <Aezg.6hA.9@gated-at.bofh.it>
2003-09-27 4:42 ` Andi Kleen
2003-09-26 13:59 ` Anton Blanchard
2003-09-27 23:38 ` David S. Miller
2003-09-26 20:53 Jim Deas
2003-09-26 21:17 ` Joe Korty
2003-09-27 0:40 ` Benjamin Herrenschmidt
2003-09-27 4:00 ` David S. Miller
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