From: Wei Liu <wei.liu2@citrix.com>
To: Dario Faggioli <dario.faggioli@citrix.com>
Cc: Wei Liu <wei.liu2@citrix.com>,
Dagaen Golomb <dgolomb@cis.upenn.edu>,
George Dunlap <George.Dunlap@eu.citrix.com>,
Haoran Li <lihaoran@wustl.edu>,
Linh Thi Xuan Phan <linhphan@cis.upenn.edu>,
Meng Xu <xumengpanda@gmail.com>, Meng Xu <mengxu@cis.upenn.edu>,
xen-devel@lists.xenproject.org,
Tianyang Chen <tiche@cis.upenn.edu>
Subject: Re: [PATCH v3] xen:rtds: Fix bug in budget accounting
Date: Thu, 27 Oct 2016 11:03:39 +0100 [thread overview]
Message-ID: <20161027100339.GV30231@citrix.com> (raw)
In-Reply-To: <1477558463.16647.6.camel@citrix.com>
On Thu, Oct 27, 2016 at 10:54:23AM +0200, Dario Faggioli wrote:
> On Wed, 2016-10-26 at 15:06 -0400, Meng Xu wrote:
> > Fix:
> > We keeps last_start always within the current period for a VCPU, so
> > that
> > we only deduct the time spent in the current period from the VCPU
> > budget.
> > We always update last_start whenever we update cur_deadline for a
> > VCPU.
> >
> > Signed-off-by: Meng Xu <mengxu@cis.upenn.edu>
> > Reported-by: Dagaen Golomb <dgolomb@cis.upenn.edu>
> >
> Acked-by: Dario Faggioli <dario.faggioli@citrix.com>
>
> Thanks.
>
> Ehi, Wei. As said yesterday on IRC about the other patch:
> - this is a bugfix
> - this is a super-self contained change (all within RTDS)
> - RTDS is Experimental
> - it brings value, as it removes a subtle but annoying
> behavioral bug in the scheduler
>
> So, I know it's late, but if still possible, I think we should have it
> in 4.8.
>
Applied.
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prev parent reply other threads:[~2016-10-27 10:03 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-26 19:06 [PATCH v3] xen:rtds: Fix bug in budget accounting Meng Xu
2016-10-27 8:54 ` Dario Faggioli
2016-10-27 10:03 ` Wei Liu [this message]
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