linux-kernel - Re: Are these MTRR settings correct?

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Date:	Mon, 14 Dec 2009 11:47:40 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Tvrtko Ursulin <tvrtko@...ulin.net>
CC:	Tvrtko Ursulin <tvrtko.ursulin@...hos.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Are these MTRR settings correct?

Tvrtko Ursulin wrote:
> On Monday 14 Dec 2009 11:25:58 Yinghai Lu wrote:
>>>> something wrong, we should not check that with e820 or acpi resource in
>>>> that case. please check
>>>>
>>>> {PATCH] x86/pci: don't check mmconf again if it is from MSR with amd
>>>> faml0h
>>>>
>>>> for AMD Fam10h, it we read mmconf from MSR early, we should just trust
>>>> it because we check it and correct it already.
>>>>
>>>> so skip the reject check there.
>>> [path snipped]
>>>
>>> Do you want me to test with this patch and that pci=.. option active and
>>> post dmesg? Or without the pci=... option?
>> with this patch and pci=... and post dmesg...
> 
> Here you go:
> 
...
> [    0.250041] node 0 link 0: io port [1000, ffffff]
> [    0.250043] TOM: 00000000e0000000 aka 3584M
> [    0.250044] Fam 10h mmconf [e0000000, efffffff]
> [    0.250046] node 0 link 0: mmio [a0000, bffff]
> [    0.250048] node 0 link 0: mmio [e0000000, efffffff] ==> none
> [    0.250050] node 0 link 0: mmio [f0000000, fe7fffff]
> [    0.250051] node 0 link 0: mmio [fe800000, fe9fffff]
> [    0.250053] node 0 link 0: mmio [fea00000, ffefffff]
> [    0.250054] TOM2: 0000000120000000 aka 4608M
> [    0.250056] bus: [00,07] on node 0 link 0
> [    0.250057] bus: 00 index 0 io port: [0, ffff]
> [    0.250058] bus: 00 index 1 mmio: [a0000, bffff]
> [    0.250060] bus: 00 index 2 mmio: [f0000000, ffffffff]
> [    0.250061] bus: 00 index 3 mmio: [120000000, fcffffffff]
> [    0.250068] ACPI: bus type pci registered
> [    0.250091] PCI: Found AMD Family 10h NB with MMCONFIG support.
> [    0.254793] PCI: Using MMCONFIG at e0000000 - efffffff
> [    0.254795] PCI: Using configuration type 1 for base access

...

thanks, mmconf works on your system.

YH
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