linux-kernel - Re: [PATCH] PCI: Add ACS support for AMD A88X southbridge devices

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Message-ID: <CABRT9RCxNy99A4L3vkb=Xha6hG71QtVenB2QiMdcKtUJikepCw@mail.gmail.com>
Date:	Thu, 2 Oct 2014 16:42:38 +0300
From:	Marti Raudsepp <marti@...fo.org>
To:	Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
	Kernel hackers <linux-kernel@...r.kernel.org>
Cc:	Joel Schopp <joel.schopp@....com>,
	Alex Williamson <alex.williamson@...hat.com>
Subject: Re: [PATCH] PCI: Add ACS support for AMD A88X southbridge devices

On Thu, Oct 2, 2014 at 4:05 PM, Marti Raudsepp <marti@...fo.org> wrote:
> Joel Schopp at https://bugzilla.kernel.org/show_bug.cgi?id=81841#c15
>>     +-14.4-[01]----05.0  Dialogic Corporation PRI
>> The legacy PCI should be isolated from the other devices identified.
>> Not sure what is going on here.
>>
>>     +-14.5  Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller
>> This OHCI Controller should also be isolated from the other devices.

To clarify, I realize the phrases "Not sure what is going on here" and
"should also be isolated" don't inspire much confidence, but I have
not managed to obtain more concrete statements in the bugzilla entry
for a month and a half. So I decided to try and push it.

I guess that the integrated devices 0000:00:15.2 (Ethernet) and
0000:00:15.3 (USB host controller) should also be isolated, but again,
I have no evidence, and it's not relevant to my use case.

Regards,
Marti Raudsepp
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