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Re: [Xen-devel] [PATCH v5] Fixes to Xen pciback for 3.17.

On 05/08/14 09:44, Sander Eikelenboom wrote:
> Monday, August 4, 2014, 8:43:18 PM, you wrote:
>> On Fri, Aug 01, 2014 at 04:30:05PM +0100, David Vrabel wrote:
>>> On 14/07/14 17:18, Konrad Rzeszutek Wilk wrote:
>>>> Greg: goto GHK
>>>> This is v5 version of patches to fix some issues in Xen PCIback.
>>> Applied to devel/for-linus-3.17.
>> Thank you.
>>> I dropped the stable Cc for #2 pending a final decision on whether it
>>> really is a stable candidate.
>> OK.
>>> David
> Hi Konrad / David,
> This series still lacks a resolution on the sysfs /do_flr /reset,
> as a result the pci devices are not reset after shutdown of a guest.
> (no more pciback 0000:xx:xx.x: restoring config space at offset xxx)
> So this series now introduces a regression to 3.16, which causes devices to 
> malfunction 
> after a guest reboot or after assigning the devices to another guest.

I don't follow what you're saying.  The lack of a device reset for PCI
devices with no FLR method isn't a regression as this has never worked.
 Can you explain in more detail what the regression is and which patch
caused it?

> Apart from that .. i can't resist to remind the other issue with removing pci
> devices passed through to HVM guests related to the signaling via xenstore,
> described in:
> http://lists.xen.org/archives/html/xen-devel/2014-07/msg01875.html

I don't remember seeing you posting a patch...?


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