From: Dario Faggioli <dfaggioli@suse.com>
To: Juergen Gross <jgross@suse.com>, xen-devel@lists.xenproject.org
Subject: Re: [Xen-devel] [PATCH v3 1/4] xen/sched: populate cpupool0 only after all cpus are up
Date: Fri, 13 Sep 2019 18:54:32 +0200 [thread overview]
Message-ID: <1e5b964792e0b0cf3b1195d162328dcd7139d27c.camel@suse.com> (raw)
In-Reply-To: <20190909093339.7134-2-jgross@suse.com>
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On Mon, 2019-09-09 at 11:33 +0200, Juergen Gross wrote:
> Simplify cpupool initialization by populating cpupool0 with cpus only
> after all cpus are up. This avoids having to call the cpu notifier
> directly for cpu 0.
>
> With that in place there is no need to create cpupool0 earlier, so
> do that just before assigning the cpus. Initialize free cpus with all
> online cpus at that time in order to be able to add the cpu notifier
> late, too.
>
> Signed-off-by: Juergen Gross <jgross@suse.com>
>
Reviewed-by: Dario Faggioli <dfaggioli@suse.com>
Regards
--
Dario Faggioli, Ph.D
http://about.me/dario.faggioli
Virtualization Software Engineer
SUSE Labs, SUSE https://www.suse.com/
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next prev parent reply other threads:[~2019-09-13 16:54 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-09 9:33 [Xen-devel] [PATCH v3 0/4] xen/sched: use new idle scheduler for free cpus Juergen Gross
2019-09-09 9:33 ` [Xen-devel] [PATCH v3 1/4] xen/sched: populate cpupool0 only after all cpus are up Juergen Gross
2019-09-13 16:54 ` Dario Faggioli [this message]
2019-09-09 9:33 ` [Xen-devel] [PATCH v3 2/4] xen/sched: remove cpu from pool0 before removing it Juergen Gross
2019-09-13 17:27 ` Dario Faggioli
2019-09-14 5:04 ` Juergen Gross
2019-09-09 9:33 ` [Xen-devel] [PATCH v3 3/4] xen/sched: add minimalistic idle scheduler for free cpus Juergen Gross
2019-09-09 9:33 ` [Xen-devel] [PATCH v3 4/4] xen/sched: switch to debugtrace in cpupool handling Juergen Gross
2019-09-12 8:24 ` Dario Faggioli
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