Re: [PATCH] x86/pci: host mmconfig detect clean up v2

From: Ingo Molnar
Date: Thu Feb 05 2009 - 13:16:33 EST



* Yinghai Lu <yinghai@xxxxxxxxxx> 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
>
> Signed-off-by: Yinghai Lu <yinghai.lu@xxxxxxxxxx>
>
> ---
> arch/x86/pci/mmconfig-shared.c | 98 ++++++++++++++++++++++-------------------
> 1 file changed, 54 insertions(+), 44 deletions(-)

looks good to me. One for the PCI tree?

Acked-by: Ingo Molnar <mingo@xxxxxxx>

Ingo
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