From: Grant Grundler <grundler@parisc-linux.org>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Matthew Wilcox <willy@debian.org>,
Linus Torvalds <torvalds@osdl.org>,
"Durairaj, Sundarapandian" <sundarapandian.durairaj@intel.com>,
Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-pci@atrey.karlin.mff.cuni.cz,
Alan Cox <alan@lxorguk.ukuu.org.uk>, Greg KH <greg@kroah.com>,
Andi Kleen <ak@colin2.muc.de>, Andrew Morton <akpm@osdl.org>,
mj@ucw.cz, "Kondratiev, Vladimir" <vladimir.kondratiev@intel.com>,
"Seshadri, Harinarayanan" <harinarayanan.seshadri@intel.com>,
"Nakajima, Jun" <jun.nakajima@intel.com>
Subject: Re: [patch] PCI Express Enhanced Config Patch - 2.6.0-test11
Date: Sat, 31 Jan 2004 21:41:01 -0700 [thread overview]
Message-ID: <20040201044101.GA3730@colo.lackof.org> (raw)
In-Reply-To: <m1hdybwzli.fsf@ebiederm.dsl.xmission.com>
On Sat, Jan 31, 2004 at 02:57:29PM -0700, Eric W. Biederman wrote:
> Is it really safe to treat the base address as a u32?
Sorry...I missed this in the code...but the following confuses me:
> I know
> if I was doing the BIOS and that address was tied to a 32bit BAR I
> would be extremely tempted to put those 256M of address space above
> 4G.
uhmm, how can one put a 32-bit BAR above 4G?
You meant 64-bit BAR?
> Point being I don't think it is safe to assume the BIOS always puts
> the extended PCI configuration space below 4G.
where MMCONFIG lives is orthogonal to where BARs point to.
I'm pretty sure I missed the point...sorry.
grant
next prev parent reply other threads:[~2004-02-01 4:41 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-29 11:32 [patch] PCI Express Enhanced Config Patch - 2.6.0-test11 Durairaj, Sundarapandian
2004-01-29 15:09 ` Matthew Wilcox
2004-01-29 15:59 ` Matthew Wilcox
2004-01-29 16:05 ` Linus Torvalds
2004-01-29 16:42 ` Matthew Wilcox
2004-01-29 16:52 ` Linus Torvalds
2004-01-31 21:57 ` Eric W. Biederman
2004-02-01 4:41 ` Grant Grundler [this message]
2004-02-01 5:10 ` Matthew Wilcox
2004-02-01 11:00 ` Eric W. Biederman
2004-02-01 15:18 ` Matthew Wilcox
2004-02-01 18:28 ` Eric W. Biederman
2004-02-01 20:11 ` Matthew Wilcox
2004-02-01 21:35 ` Eric W. Biederman
2004-02-01 11:10 ` Eric W. Biederman
2004-01-29 18:09 ` Greg KH
2004-01-30 16:33 ` Greg KH
-- strict thread matches above, loose matches on Subject: below --
2004-01-30 16:58 Nakajima, Jun
2004-01-28 9:38 Durairaj, Sundarapandian
2004-01-28 14:42 ` Vladimir Kondratiev
2004-01-28 14:54 ` Christoph Hellwig
2004-01-28 15:00 ` Martin Mares
2004-01-28 15:18 ` Matthew Wilcox
2004-01-22 10:21 Durairaj, Sundarapandian
2004-01-22 10:44 ` Andrew Morton
2004-01-22 11:09 ` Martin Mares
2004-01-22 13:12 ` Andi Kleen
2004-01-22 18:21 ` Alan Cox
2004-01-22 19:40 ` Randy.Dunlap
2004-01-23 19:19 ` Pavel Machek
2004-01-23 19:31 ` Martin Mares
2004-01-23 20:08 ` Stefan Smietanowski
2004-01-22 16:40 ` Grant Grundler
2004-01-22 17:00 ` Greg KH
2004-01-07 16:44 Nakajima, Jun
2004-01-07 12:59 Durairaj, Sundarapandian
2004-01-07 14:08 ` Meelis Roos
2004-01-07 17:34 ` Vladimir Kondratiev
[not found] <183UK-2Re-11@gated-at.bofh.it>
2003-12-29 19:12 ` Andi Kleen
2003-12-29 11:32 Durairaj, Sundarapandian
2003-12-29 11:53 ` Arjan van de Ven
2003-12-29 11:55 ` Christoph Hellwig
2003-12-29 12:51 ` Johan Sjoholm
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