[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] [PATCH 3/3] xen/sched: add minimalistic idle scheduler for free cpus

  • To: Juergen Gross <JGross@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Dario Faggioli <dfaggioli@xxxxxxxx>
  • Date: Tue, 13 Aug 2019 17:07:03 +0000
  • Accept-language: en-US
  • Arc-authentication-results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=suse.com; dmarc=pass action=none header.from=suse.com; dkim=pass header.d=suse.com; arc=none
  • Arc-message-signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=sT9x9ssFu3j9y0cCQXjgxnA/OWe+6jbkRxdSrFqrU2A=; b=S0OHU7pHGVxZqFM4+gdY3MaNrus6uwpwSSRKiN7YtCqOx8V2qFtasC0Tlf/2CMV/FTbZPryfyjPgYNgm8CaaL9TMi4xT9P8DiK9i6Qac3Ds2v6yrGziZTIcFOTJB2COGGGRgaLPacdDOs3uOVfe6FUJeSvHo552fjtdb+TTGA+s85nACQMBSaD51lA8WCkuYyBgRatycT4iG/vT0pxVTCf5w1+lLotvrSPqwnRA9zJKNIkKvCGbujuFDE16FNf2CDKQ7O5Ks+fNTHOYRtBVV3oqYFqBKsaeMA4h+jwdNZAczcB0pSz5i/N8RHpB5QeolIWhhTK6RDFciTdoC7xRVcA==
  • Arc-seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=PF2Bp5S7eBxswcZ1Fz7vfSLdDo9CIi1Yh9Rw8ak9dMTnbOv+Sz+2SKJ3xSWiRiCvhNRXc2V3bhhUwv9+JlSIwcPDFEJY64GWqL5Rw3kpFmc0CRcOX7OuudWpRw8kUYAQPa70i1x+QIq1xTg2StVkfIiJ3LH7UsNCldGOiXiBVZQy6+QyvPFd7XcGOwxQGtqpUI5JV7S9Ut5G4A6gYoV1tremqNUsdiPC1owchkeVQP7+rySLmxfJzT0dYaCTLQDgKYl1hzMKUjTbAyzK6dU4kS5DvCIm8XnX2kfVFb0ayr2Qz2YvrrYDV9dXqEYt1id2SRN2xR3p5NGxoPBoW+9GIg==
  • Authentication-results: spf=none (sender IP is ) smtp.mailfrom=dfaggioli@xxxxxxxx;
  • Cc: "george.dunlap@xxxxxxxxxxxxx" <george.dunlap@xxxxxxxxxxxxx>
  • Delivery-date: Tue, 13 Aug 2019 17:17:27 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
  • Thread-topic: [Xen-devel] [PATCH 3/3] xen/sched: add minimalistic idle scheduler for free cpus

On Fri, 2019-08-02 at 15:07 +0200, Juergen Gross wrote:
> Instead of having a full blown scheduler running for the free cpus
> add a very minimalistic scheduler for that purpose only ever
> scheduling
> the related idle vcpu. This has the big advantage of not needing any
> per-cpu, per-domain or per-scheduling unit data for free cpus and in
> turn simplifying moving cpus to and from cpupools a lot.
> This new scheduler will just use a common lock for all free cpus.
> As this new scheduler is not user selectable don't register it as an
> official scheduler, but just include it in schedule.c.
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
This patch looks fine to me.

With the changelog adapted as I mentioned in my reply to patch 0, this

Acked-by: Dario Faggioli <dfaggioli@xxxxxxxx>

Dario Faggioli, Ph.D
Virtualization Software Engineer
SUSE Labs, SUSE https://www.suse.com/
<<This happens because _I_ choose it to happen!>> (Raistlin Majere)

Attachment: signature.asc
Description: This is a digitally signed message part

Xen-devel mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.