From: "H. Peter Anvin" <hpa@zytor.com>
To: Yinghai Lu <yinghai@kernel.org>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>,
Jesse Barnes <jbarnes@virtuousgeek.org>,
Brian Bloniarz <phunge0@hotmail.com>,
Charles Butterfield <charles.butterfield@nextcentury.com>,
Denys Vlasenko <dvlasenk@redhat.com>,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
Stefan Becker <chemobejk@gmail.com>,
Thomas Gleixner <tglx@linutronix.de>,
Linus Torvalds <torvalds@linux-foundation.org>,
Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH 3/3] PCI: allocate bus resources from the top down
Date: Thu, 16 Sep 2010 13:02:23 -0700 [thread overview]
Message-ID: <4C9277CF.6070209@zytor.com> (raw)
In-Reply-To: <4C92710D.3040401@kernel.org>
On 09/16/2010 12:33 PM, Yinghai Lu wrote:
>
> Those Dell machine BIOS set wrong value in the pci bridge. and it is partial
> overlapped with reserved range in e820.
>
> Kernel current will honor that HW setting from pci bridge reading at first.
>
> so the best way should be: using e820 reserved range to trim reading from pci or acpi in some cases.
>
Yes, that's the only sane option.
-hpa
prev parent reply other threads:[~2010-09-16 20:03 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20100915210818.12365.58732.stgit@bob.kio>
2010-09-15 21:09 ` [PATCH 1/3] x86/PCI: allocate space from the end of a region, not the beginning Bjorn Helgaas
2010-09-15 21:09 ` [PATCH 2/3] resources: allocate space within a region from the top down Bjorn Helgaas
2010-09-15 21:09 ` [PATCH 3/3] PCI: allocate bus resources " Bjorn Helgaas
2010-09-15 21:50 ` H. Peter Anvin
2010-09-15 22:44 ` Bjorn Helgaas
2010-09-15 23:45 ` H. Peter Anvin
2010-09-16 17:04 ` Bjorn Helgaas
2010-09-16 17:44 ` H. Peter Anvin
2010-09-16 19:33 ` Yinghai Lu
2010-09-16 20:02 ` H. Peter Anvin [this message]
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