From: Dario Faggioli <dario.faggioli@citrix.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: keir@xen.org, Ian.Campbell@citrix.com, lccycc123@gmail.com,
george.dunlap@eu.citrix.com, msw@linux.com,
stefano.stabellini@eu.citrix.com, ian.jackson@eu.citrix.com,
Elena Ufimtseva <ufimtseva@gmail.com>,
xen-devel <xen-devel@lists.xenproject.org>
Subject: Re: [PATCH v3 1/7] xen: vNUMA support for PV guests
Date: Tue, 19 Nov 2013 15:35:12 +0100 [thread overview]
Message-ID: <1384871712.19880.90.camel@Abyss> (raw)
In-Reply-To: <528B7D350200007800104840@nat28.tlf.novell.com>
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On mar, 2013-11-19 at 14:01 +0000, Jan Beulich wrote:
> One thing that I only realized - what information is the guest
> supposed to use to know the number of virtual nodes it has
> (needed to size the arrays the handles here point to)?
>
If I understand correctly what you're asking, the (current) answer is in
the Linux patch, here:
http://bugs.xenproject.org/xen/mid/%3C1384811922-14642-2-git-send-email-ufimtseva@gmail.com%3E
which uses num_possible_cpus()
http://lxr.linux.no/linux+v3.12/+code=num_possible_cpus
to size all the three arrays.
Dario
--
<<This happens because I choose it to happen!>> (Raistlin Majere)
-----------------------------------------------------------------
Dario Faggioli, Ph.D, http://about.me/dario.faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)
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next prev parent reply other threads:[~2013-11-19 14:35 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-18 20:24 [PATCH v3 0/7] vNUMA introduction Elena Ufimtseva
2013-11-18 20:24 ` [PATCH v3 1/7] xen: vNUMA support for PV guests Elena Ufimtseva
2013-11-19 7:41 ` Dario Faggioli
2013-11-19 14:01 ` Jan Beulich
2013-11-19 14:35 ` Dario Faggioli [this message]
2013-11-19 14:48 ` Jan Beulich
2013-11-19 15:42 ` Dario Faggioli
2013-11-19 15:54 ` Jan Beulich
2013-11-19 16:36 ` Dario Faggioli
2013-11-19 16:43 ` Jan Beulich
2013-11-26 21:59 ` Elena Ufimtseva
2013-11-27 1:23 ` Dario Faggioli
2013-11-27 8:14 ` Jan Beulich
2013-12-02 17:06 ` Elena Ufimtseva
2013-12-02 17:09 ` Jan Beulich
2013-12-02 17:27 ` Elena Ufimtseva
2013-11-18 20:24 ` [PATCH v3 2/7] libxc: Plumb Xen with vNUMA topology for domain Elena Ufimtseva
2013-11-19 8:37 ` Dario Faggioli
2013-11-19 14:03 ` Konrad Rzeszutek Wilk
2013-11-19 22:06 ` Elena Ufimtseva
2013-11-18 20:24 ` [PATCH v3 3/7] libxc: vnodes allocation on NUMA nodes Elena Ufimtseva
2013-11-19 14:22 ` Dario Faggioli
2013-11-18 20:24 ` [PATCH v3 4/7] libxl: vNUMA supporting interface Elena Ufimtseva
2013-11-19 18:37 ` Dario Faggioli
2013-11-21 9:59 ` Li Yechen
2013-11-26 22:14 ` Elena Ufimtseva
2013-11-26 23:21 ` Dario Faggioli
2013-12-02 18:14 ` Elena Ufimtseva
2013-11-18 20:24 ` [PATCH v3 5/7] libxl: vNUMA configuration parser Elena Ufimtseva
2013-11-19 17:20 ` Dario Faggioli
2013-11-20 22:48 ` Matthew Daley
2013-11-21 3:20 ` Elena Ufimtseva
2013-11-18 20:24 ` [PATCH v3 6/7] xen: adds vNUMA info debug-key u Elena Ufimtseva
2013-11-22 18:15 ` Dario Faggioli
2013-11-18 20:24 ` [PATCH v3 7/7] xl: docs for xl config vnuma options Elena Ufimtseva
2013-11-19 17:23 ` Dario Faggioli
2013-11-19 17:26 ` George Dunlap
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