Re: [Xen-devel] [PATCH v3 3/3] xen: optimize xenbus driver for multiple concurrent xenstore accesses

[Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>]

On 01/24/2017 11:23 AM, Juergen Gross wrote:
> On 24/01/17 14:47, Boris Ostrovsky wrote:
>> On 01/23/2017 01:59 PM, Boris Ostrovsky wrote:
>>> On 01/23/2017 05:09 AM, Juergen Gross wrote:
>>>> Handling of multiple concurrent Xenstore accesses through xenbus driver
>>>> either from the kernel or user land is rather lame today: xenbus is
>>>> capable to have one access active only at one point of time.
>>>>
>>>>
>>
>> This patch appears to break save/restore:
> Hmm, tried multiple times, but I can't reproduce this issue.
>
> Anything special in the setup? I tried a 64 bit pv guest and did
> "xl save".
>
> Do I have to run some load in parallel?

Any luck reproducing this? I am still failing the test on dumpdata but I
couldn't reproduce it on another system.

-boris

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