From: Ed Swierk <eswierk@aristanetworks.com>
To: Yinghai Lu <yinghai@kernel.org>
Cc: jbarnes@virtuousgeek.org, Ingo Molnar <mingo@elte.hu>,
hpa@zytor.com, linux-kernel@vger.kernel.org,
linux-pci@vger.kernel.org
Subject: Re: [PATCH] x86/pci: host mmconfig detect clean up v3
Date: Wed, 11 Feb 2009 21:02:13 -0800 [thread overview]
Message-ID: <9ae48b020902112102m2b75e68codc3083285bd2f9@mail.gmail.com> (raw)
In-Reply-To: <4990DF7C.1090701@kernel.org>
On Mon, Feb 9, 2009 at 5:59 PM, Yinghai Lu <yinghai@kernel.org> wrote:
> Impact: not assume one place for mmconfig in nb
>
> prepare for following case: amd fam10h + mcp55
> CPU MSR has some range, mcp55 pci config will have another one.
>
> also prepare for mcp55 + io55 system. every one will have one range.
>
> if it s mcp55 detect duties to execlude range that is used by CPU MSR
> aka, if CPU state bus 0-255, range in mcp55 need to be dropped.
> because HW in CPU will not route that mcp55 mmconfig to handle it.
>
> v2: fix e7520 exit path
> v3: make it could support
> PCI MMCONFIG 0 [00-3f]
> PCI MMCONFIG 0 [40-7f]
> PCI MMCONFIG 0 [80-ff]
>
> Signed-off-by: Yinghai Lu <yinghai.lu@kernel.org>
Looks okay to me. I tested the patch on a board with an AMD 0Fh CPU
and one MCP55, no ACPI.
--Ed
next prev parent reply other threads:[~2009-02-12 5:02 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-04 16:39 [PATCH] Detect mmconfig on nVidia MCP55 Ed Swierk
2009-02-04 17:04 ` Ingo Molnar
2009-02-05 17:05 ` Tvrtko Ursulin
2009-02-05 18:00 ` Ingo Molnar
2009-02-06 11:30 ` Tvrtko Ursulin
2009-02-06 15:42 ` Ingo Molnar
2009-02-06 16:10 ` Tvrtko Ursulin
2009-02-09 19:26 ` Ed Swierk
2009-02-09 19:42 ` Yinghai Lu
2009-02-04 17:07 ` Loic Prylli
2009-02-04 17:37 ` Ed Swierk
2009-02-04 20:00 ` Yinghai Lu
2009-02-04 20:12 ` Yinghai Lu
2009-02-04 21:25 ` Ingo Molnar
2009-02-04 23:10 ` Yinghai Lu
2009-02-10 1:59 ` [PATCH] x86/pci: host mmconfig detect clean up v3 Yinghai Lu
2009-02-10 2:00 ` Subject: [PATCH] x86/pci: Detect mmconfig on nVidia MCP55 -v2 Yinghai Lu
2009-02-10 22:57 ` Ed Swierk
2009-02-11 5:05 ` Yinghai Lu
2009-02-11 22:00 ` Ed Swierk
2009-02-12 5:03 ` Ed Swierk
2009-02-12 5:02 ` Ed Swierk [this message]
2009-02-05 2:24 ` [PATCH] x86/pci: host mmconfig detect clean up v2 Yinghai Lu
2009-02-05 18:15 ` Ingo Molnar
2009-02-05 18:31 ` Yinghai Lu
2009-02-05 22:04 ` Ed Swierk
2009-02-05 22:36 ` Yinghai Lu
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