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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Sinan Kaya <okaya@codeaurora.org>, Bjorn Helgaas <helgaas@kernel.org>
Cc: linux-pci@vger.kernel.org, Bjorn Helgaas <bhelgaas@google.com>,
	Michael Neuling <michael.neuling@au1.ibm.com>,
	linux-pci-owner@vger.kernel.org
Subject: Re: PCIe resets/restore and lack of CRS wait
Date: Fri, 23 Mar 2018 09:02:44 +1100	[thread overview]
Message-ID: <1521756164.16434.319.camel@kernel.crashing.org> (raw)
In-Reply-To: <6aec45f1-74d9-d36f-7169-0c91733985e3@codeaurora.org>

On Thu, 2018-03-22 at 12:54 -0500, Sinan Kaya wrote:
> Ben,
> 
> On 3/22/2018 9:14 AM, Bjorn Helgaas wrote:
> > CRS SV is optional, so the code has to work when it's absent.  But we
> > can tell whether it's supported, so if we need to, we can do something
> > different when it's absent.
> 
> Let us know if you want to work on this or not. Otherwise, I'll add
> to the list of things I'm doing.

On my side (powerpc) I'll make sure we do get ffff's and that our retry
timeouts aren't too high. I just need to makes sure we don't end up
triggering an EEH failure on the timeout though.

Cheers,
Ben.

      reply	other threads:[~2018-03-22 22:02 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-22  4:03 PCIe resets/restore and lack of CRS wait Benjamin Herrenschmidt
2018-03-22  4:36 ` okaya
2018-03-22  5:12   ` Benjamin Herrenschmidt
2018-03-22  6:24     ` Benjamin Herrenschmidt
2018-03-22 11:25       ` okaya
2018-03-22 13:46         ` Benjamin Herrenschmidt
2018-03-22 13:58           ` Sinan Kaya
2018-03-22 14:14             ` Bjorn Helgaas
2018-03-22 17:54               ` Sinan Kaya
2018-03-22 22:02                 ` Benjamin Herrenschmidt [this message]

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