From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Mike Travis <travis@sgi.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
x86@kernel.org, Bjorn Helgaas <bjorn.helgaas@hp.com>,
Jacob Pan <jacob.jun.pan@intel.com>, Tejun Heo <tj@kernel.org>,
Mike Habeck <habeck@sgi.com>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [Patch 1/1] x86 pci: Add option to not assign BAR's if not already assigned
Date: Fri, 28 May 2010 12:28:11 -0700 [thread overview]
Message-ID: <20100528122811.3ff8decc@virtuousgeek.org> (raw)
In-Reply-To: <4BFFF8F8.1070502@sgi.com>
On Fri, 28 May 2010 10:10:16 -0700
Mike Travis <travis@sgi.com> wrote:
>
>
> H. Peter Anvin wrote:
> > On 05/28/2010 09:53 AM, Mike Travis wrote:
> >> Any further consideration for this patch, or has it been rejected?
> >
> > Well, it's really up to Jesse, but as far as I can see, this patch is a
> > net loss of functionality and doesn't actually add anything. Without
> > this patch, some resources that were not assigned by BIOS will be
> > unreachable. With this patch, *all* resources that were not assigned by
> > BIOS will be unreachable...
> >
> > -hpa
> >
>
> Apparently you're missing the point of the patch? The patch is needed
> because BIOS is purposely not assigning I/O BAR's to devices that won't
> use them, freeing up the resource for devices that do need them. Where
> is the "all" resources that are not reachable?
Applied to my linux-next branch, thanks.
--
Jesse Barnes, Intel Open Source Technology Center
next prev parent reply other threads:[~2010-05-28 19:31 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-12 18:14 [Patch 1/1] x86 pci: Add option to not assign BAR's if not already assigned Mike Travis
2010-05-13 18:56 ` Bjorn Helgaas
2010-05-13 19:08 ` H. Peter Anvin
2010-05-13 19:12 ` Mike Travis
2010-05-13 19:13 ` Mike Travis
2010-05-13 19:54 ` Bjorn Helgaas
2010-05-13 20:27 ` Mike Habeck
2010-05-13 19:38 ` Mike Habeck
2010-05-13 20:02 ` Bjorn Helgaas
2010-05-13 20:09 ` H. Peter Anvin
2010-05-14 22:25 ` Jesse Barnes
2010-05-14 22:34 ` Mike Travis
2010-05-14 22:35 ` H. Peter Anvin
2010-05-14 22:40 ` Mike Travis
2010-05-15 2:25 ` Mike Travis
2010-05-14 22:47 ` Jesse Barnes
2010-05-14 22:59 ` Mike Travis
2010-05-14 23:06 ` Jesse Barnes
2010-05-14 23:23 ` Mike Travis
2010-05-14 23:33 ` Jesse Barnes
2010-05-14 23:40 ` H. Peter Anvin
2010-05-15 0:02 ` Jesse Barnes
2010-05-14 23:20 ` H. Peter Anvin
2010-05-14 23:28 ` Jesse Barnes
2010-05-14 23:32 ` H. Peter Anvin
2010-05-14 23:34 ` Jesse Barnes
2010-05-14 23:39 ` H. Peter Anvin
2010-05-15 0:00 ` Jesse Barnes
2010-05-15 0:14 ` H. Peter Anvin
2010-05-13 20:36 ` Yinghai Lu
2010-05-13 20:34 ` H. Peter Anvin
2010-05-13 18:58 ` Bjorn Helgaas
2010-05-28 16:53 ` Mike Travis
2010-05-28 17:00 ` H. Peter Anvin
2010-05-28 17:10 ` Mike Travis
2010-05-28 19:28 ` Jesse Barnes [this message]
2010-05-28 20:04 ` H. Peter Anvin
2010-05-31 11:12 ` Mike Travis
2010-05-31 16:36 ` H. Peter Anvin
2010-06-01 22:49 ` Bjorn Helgaas
2010-06-02 7:31 ` H. Peter Anvin
2010-06-02 15:45 ` Bjorn Helgaas
2010-06-02 15:47 ` H. Peter Anvin
2010-06-02 15:53 ` Jesse Barnes
2010-06-09 0:53 ` H. Peter Anvin
2010-06-09 1:26 ` Jesse Barnes
2010-06-09 14:23 ` Mike Habeck
2010-06-02 15:53 ` Mike Habeck
2010-06-02 16:40 ` Bjorn Helgaas
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