From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: "David S. Miller" <davem@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>,
Linux Kernel list <linux-kernel@vger.kernel.org>
Subject: Re: Issues with /proc/bus/pci
Date: Tue, 23 Mar 2004 15:12:41 +1100 [thread overview]
Message-ID: <1080015161.23717.99.camel@gaston> (raw)
In-Reply-To: <20040322194759.7a38ffe9.davem@redhat.com>
On Tue, 2004-03-23 at 14:47, David S. Miller wrote:
> On Tue, 23 Mar 2004 13:40:11 +1100
> Benjamin Herrenschmidt <benh@kernel.crashing.org> wrote:
>
> > What do you think ?
>
> Ok, it does sound like we need something else.
Ok, finally, I found out the truth about the ppc "fix" for that:
paulus did indeed fix it ... in 2.4 and not 2.5 :( Paul's fix is
simply to have the arch allow mapping of any address that is on
the host resource ranges, whatever the device was passed in (that
is basically the same as considering any device to be the host
bridge).
That should be completely compatible with userland looking for the
host bridge and would let me get the low VGA stuff for my video
softboot hack from the same device fd without having to look for
the host bridge at all.
Ben.
next prev parent reply other threads:[~2004-03-23 4:27 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-23 2:06 Issues with /proc/bus/pci Benjamin Herrenschmidt
2004-03-23 2:31 ` David S. Miller
2004-03-23 2:40 ` Benjamin Herrenschmidt
2004-03-23 3:47 ` David S. Miller
2004-03-23 4:02 ` Benjamin Herrenschmidt
2004-03-23 4:12 ` Benjamin Herrenschmidt [this message]
2004-03-23 2:44 ` Jesse Barnes
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