From: Ian Jackson <Ian.Jackson@eu.citrix.com>
To: Juergen Gross <jgross@suse.com>
Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
Wei Liu <wei.liu2@citrix.com>,
xen-devel@lists.xen.org
Subject: Re: [PATCH v4 3/3] libxl: add force option for xl vcpu-pin
Date: Thu, 14 Apr 2016 17:10:16 +0100 [thread overview]
Message-ID: <22287.49384.498578.713988@mariner.uk.xensource.com> (raw)
In-Reply-To: <1457587634-22819-4-git-send-email-jgross@suse.com>
Juergen Gross writes ("[PATCH v4 3/3] libxl: add force option for xl vcpu-pin"):
> In order to be able to undo a vcpu pin override in case of a kernel
> driver error add a flag "-f" to the "xl vcpu-pin" command forcing the
> hypervisor to undo the override.
...
> +Specifying I<-f> or I<--force> will remove a temporary pinning done by the
> +operating system (normally this should be done by the operating system).
> +In case a temporary pinning is active for a vcpu the affinity of this vcpu
> +can't be changed without this option.
This documentation needs to confirm that this can only happen to dom0,
or other domains which have been granted hardware access.
Assuming that this is actually true. If not then surely it should be.
Ian.
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next prev parent reply other threads:[~2016-04-14 16:10 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-10 5:27 [PATCH v4 0/3] add hypercall option to temporarily pin a vcpu Juergen Gross
2016-03-10 5:27 ` [PATCH v4 1/3] libxc: do some retries in xc_cpupool_removecpu() for EBUSY case Juergen Gross
2016-03-10 10:26 ` Dario Faggioli
2016-03-10 17:16 ` Wei Liu
2016-04-12 13:02 ` Olaf Hering
2016-04-12 13:45 ` Juergen Gross
2016-04-12 13:50 ` Olaf Hering
2016-04-12 13:57 ` Wei Liu
2016-04-14 16:04 ` Ian Jackson
2016-03-10 5:27 ` [PATCH v4 2/3] libxl: print message how to recover from xl cpupool-cpu-remove errors Juergen Gross
2016-04-14 16:06 ` Ian Jackson
2016-04-14 17:10 ` Dario Faggioli
2016-04-14 17:22 ` Ian Jackson
2016-04-14 17:27 ` Dario Faggioli
2016-03-10 5:27 ` [PATCH v4 3/3] libxl: add force option for xl vcpu-pin Juergen Gross
2016-03-10 10:25 ` Dario Faggioli
2016-03-10 17:17 ` Wei Liu
2016-04-14 16:10 ` Ian Jackson [this message]
2016-04-14 17:18 ` Dario Faggioli
2016-03-22 7:36 ` [PATCH v4 0/3] add hypercall option to temporarily pin a vcpu Juergen Gross
2016-03-24 14:03 ` Wei Liu
2016-03-24 17:58 ` Juergen Gross
2016-03-24 19:41 ` Wei Liu
2016-03-30 10:28 ` Juergen Gross
2016-03-30 14:23 ` Konrad Rzeszutek Wilk
2016-04-14 16:11 ` Ian Jackson
2016-04-14 19:15 ` Konrad Rzeszutek Wilk
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