linux-kernel - Re: qemu, numa: non-contiguous cpusets

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Message-ID: <20130930081511.GB23756@redhat.com>
Date:	Mon, 30 Sep 2013 09:15:11 +0100
From:	"Daniel P. Berrange" <berrange@...hat.com>
To:	Borislav Petkov <bp@...en8.de>
Cc:	Eduardo Habkost <ehabkost@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Borislav Petkov <bp@...e.de>, "H. Peter Anvin" <hpa@...or.com>,
	Gleb Natapov <gleb@...hat.com>,
	Paolo Bonzini <pbonzini@...hat.com>,
	Andre Przywara <andre@...rep.de>,
	Joerg Roedel <joro@...tes.org>, X86 ML <x86@...nel.org>,
	KVM <kvm@...r.kernel.org>, qemu-devel@...gnu.org,
	libvir-list@...hat.com, Jiri Denemark <jdenemar@...hat.com>
Subject: Re: qemu, numa: non-contiguous cpusets

On Sun, Sep 29, 2013 at 05:10:44PM +0200, Borislav Petkov wrote:
> Btw,
> 
> while I got your attention, on a not-really related topic: how do we
> feel about adding support for specifying a non-contiguous set of cpus
> for a numa node in qemu with the -numa option? I.e., like this, for
> example:
> 
> x86_64-softmmu/qemu-system-x86_64 -smp 8 -numa node,nodeid=0,cpus=0\;2\;4-5 -numa node,nodeid=1,cpus=1\;3\;6-7
> 
> The ';' needs to be escaped from the shell but I'm open for better
> suggestions.

Use a ':' instead.

Daniel
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