From: Julien Grall <julien.grall@arm.com>
To: Peng Fan <van.freenix@gmail.com>,
Dario Faggioli <dario.faggioli@citrix.com>
Cc: Juergen Gross <jgross@suse.com>, Peng Fan <peng.fan@nxp.com>,
Stefano Stabellini <sstabellini@kernel.org>,
Steve Capper <Steve.Capper@arm.com>,
George Dunlap <George.Dunlap@eu.citrix.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Punit Agrawal <punit.agrawal@arm.com>,
George Dunlap <george.dunlap@citrix.com>,
"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>,
Jan Beulich <jbeulich@suse.com>
Subject: Re: [RFC 0/5] xen/arm: support big.little SoC
Date: Thu, 22 Sep 2016 12:29:53 +0100 [thread overview]
Message-ID: <78b688a0-1a74-0225-2fde-a66b622a2a7e@arm.com> (raw)
In-Reply-To: <20160922092744.GA22134@linux-u7w5.ap.freescale.net>
Hello Peng,
On 22/09/16 10:27, Peng Fan wrote:
> On Thu, Sep 22, 2016 at 10:50:23AM +0200, Dario Faggioli wrote:
>> On Thu, 2016-09-22 at 14:49 +0800, Peng Fan wrote:
>>> On Wed, Sep 21, 2016 at 08:11:43PM +0100, Julien Grall wrote:
>> A feature like `xl cpupool-biglittle-split' can still be interesting,
>
> "cpupool-cluster-split" maybe a better name?
You seem to assume that a cluster, from the MPIDR point of view, can
only contain the same set of CPUs. I don't think this is part of the
architecture, so this may not be true in the future.
>
>> completely orthogonally and independently from the affinity based work,
>> and this series looks like it can be used to implement that. :-)
>
> Agree. All pcpus default can be assigned into cpupool0 based on the affinity work.
What do you mean by affinity? From MPIDR?
> We could add one like "cpupool-numa-split" to split different classes cpu
> into different cpupools.
Regards,
--
Julien Grall
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next prev parent reply other threads:[~2016-09-22 11:29 UTC|newest]
Thread overview: 85+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-19 2:08 [RFC 0/5] xen/arm: support big.little SoC van.freenix
2016-09-19 2:08 ` [RFC 1/5] xen/arm: domain_build: setting opt_dom0_max_vcpus according to cpupool0 info van.freenix
2016-09-19 2:08 ` [RFC 2/5] xen: cpupool: introduce cpupool_arch_info van.freenix
2016-09-19 2:08 ` [RFC 3/5] xen: cpupool: add arch cpupool hook van.freenix
2016-09-19 2:08 ` [RFC 4/5] xen/arm: move vpidr from arch_domain to arch_vcpu van.freenix
2016-09-19 2:08 ` [RFC 5/5] xen/arm: cpupool: implement arch_domain_cpupool_compatible van.freenix
2016-09-19 8:09 ` [RFC 0/5] xen/arm: support big.little SoC Julien Grall
2016-09-19 8:36 ` Peng Fan
2016-09-19 8:53 ` Julien Grall
2016-09-19 9:38 ` Peng Fan
2016-09-19 9:59 ` Julien Grall
2016-09-19 13:15 ` Peng Fan
2016-09-19 20:56 ` Stefano Stabellini
2016-09-19 9:45 ` George Dunlap
2016-09-19 10:06 ` Julien Grall
2016-09-19 10:23 ` Juergen Gross
2016-09-19 17:18 ` Dario Faggioli
2016-09-19 21:03 ` Stefano Stabellini
2016-09-19 22:55 ` Dario Faggioli
2016-09-20 0:01 ` Stefano Stabellini
2016-09-20 0:54 ` Dario Faggioli
2016-09-20 10:03 ` Peng Fan
2016-09-20 10:27 ` George Dunlap
2016-09-20 15:34 ` Julien Grall
2016-09-20 17:24 ` Dario Faggioli
2016-09-20 19:09 ` Stefano Stabellini
2016-09-20 19:41 ` Julien Grall
2016-09-20 20:17 ` Stefano Stabellini
2016-09-21 8:38 ` Peng Fan
2016-09-21 9:22 ` George Dunlap
2016-09-21 12:35 ` Peng Fan
2016-09-21 15:00 ` Dario Faggioli
2016-09-21 10:15 ` Julien Grall
2016-09-21 12:28 ` Peng Fan
2016-09-21 15:06 ` Dario Faggioli
2016-09-22 9:45 ` Peng Fan
2016-09-22 11:21 ` Julien Grall
2016-09-23 2:38 ` Peng Fan
2016-09-21 10:09 ` Julien Grall
2016-09-21 10:22 ` George Dunlap
2016-09-21 13:06 ` Julien Grall
2016-09-21 15:45 ` Dario Faggioli
2016-09-21 19:28 ` Julien Grall
2016-09-22 6:16 ` Peng Fan
2016-09-22 8:43 ` Dario Faggioli
2016-09-22 11:24 ` Julien Grall
2016-09-22 16:31 ` Dario Faggioli
2016-09-23 13:56 ` Julien Grall
2016-09-21 18:13 ` Stefano Stabellini
2016-09-21 19:11 ` Julien Grall
2016-09-21 19:21 ` Julien Grall
2016-09-21 23:45 ` Stefano Stabellini
2016-09-22 6:49 ` Peng Fan
2016-09-22 8:50 ` Dario Faggioli
2016-09-22 9:27 ` Peng Fan
2016-09-22 9:51 ` George Dunlap
2016-09-22 10:09 ` Peng Fan
2016-09-22 10:39 ` Dario Faggioli
2016-09-22 10:13 ` Juergen Gross
2016-09-22 9:52 ` Dario Faggioli
2016-09-22 11:29 ` Julien Grall [this message]
2016-09-22 17:31 ` Stefano Stabellini
2016-09-22 18:54 ` Julien Grall
2016-09-23 2:14 ` Peng Fan
2016-09-23 9:24 ` Julien Grall
2016-09-23 10:05 ` Peng Fan
2016-09-23 10:15 ` Julien Grall
2016-09-23 13:36 ` Dario Faggioli
2016-09-24 1:57 ` Stefano Stabellini
2016-09-23 13:52 ` Dario Faggioli
2016-09-24 1:35 ` Stefano Stabellini
2016-09-23 2:03 ` Peng Fan
2016-09-22 10:05 ` Peng Fan
2016-09-22 16:26 ` Dario Faggioli
2016-09-22 17:33 ` Stefano Stabellini
2016-09-21 12:38 ` Peng Fan
2016-09-21 9:45 ` Dario Faggioli
2016-09-20 10:18 ` George Dunlap
2016-09-19 20:55 ` Stefano Stabellini
2016-09-19 10:33 ` George Dunlap
2016-09-19 13:33 ` Peng Fan
2016-09-20 0:11 ` Dario Faggioli
2016-09-20 6:18 ` Peng Fan
2016-09-19 16:43 ` Dario Faggioli
2016-09-19 13:08 ` Peng Fan
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