Re: [Xen-devel] [PATCH] xen: privcmd: schedule() after private hypercall when non CONFIG_PREEMPT

From: David Vrabel
Date: Mon Dec 01 2014 - 06:01:30 EST


On 28/11/14 04:49, Juergen Gross wrote:
> On 11/27/2014 07:50 PM, Andrew Cooper wrote:
>>
>> XenServer uses
>>
>> https://github.com/xenserver/linux-3.x.pg/blob/master/master/0001-x86-xen-allow-privcmd-hypercalls-to-be-preempted.patch
>>
>>
>> to deal with these issues. That patch is based on 3.10.
>
> Clever. :-)
>
>>
>> I can remember whether this has been submitted upstream before (and
>> there were outstanding issues), or whether it fell at an inconvenient
>> time with our development cycles.
>
> I found
>
> http://lists.xen.org/archives/html/xen-devel/2014-02/msg02540.html
>
> and nothing else.

I dropped it because it copy-and-paste a bunch of otherwise generic x86
assembler and looked unlikely to get an x86 maintainer ack. If you
think otherwise, feel free to pick it up and run with it.

David
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