Re: [Xen-devel] [PATCH v4 4/8] mm: Scrub memory from idle loop

[Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>]

On 06/13/2017 04:36 PM, Dario Faggioli wrote:
> On Tue, 2017-06-13 at 14:39 -0400, Boris Ostrovsky wrote:
>> On 06/13/2017 04:19 AM, Jan Beulich wrote:
>>>>>> On 12.06.17 at 23:28, <dario.faggioli@xxxxxxxxxx> wrote:
>>>> If some vcpu context work is scheduled, SCHEDULE_SOFTIRQ is
>>>> raised.
>>>> do_softirq() will call the scheduler, which will see that there
>>>> is vcpu
>>>> tasklet work to do, and hence confirm in execution the idle vcpu,
>>>> which
>>>> will get to execute do_tasklet().
>>> Right, so something along these lines will need to go into the
>>> commit
>>> message.
>>
>> So would you then prefer to separate this into two patches, with the
>> first just moving do_tasklet() above sleeping?
>>
> If you want, I can send a patch to this effect (which can then either
> just go in, or Boris can carry it in this series).

Thanks for the offer Dario.

We can do it either way but FYI I am leaving for ~3 weeks next Friday so
I am not sure I will be able have this series ready and tested by then.

-boris

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