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From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
To: Ian Campbell <Ian.Campbell@citrix.com>
Cc: "xen-devel@lists.xen.org" <xen-devel@lists.xen.org>,
	Ian Jackson <Ian.Jackson@eu.citrix.com>,
	Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>
Subject: Re: [PATCH] libxl: default to xenconsoled for pv guests, even if qemu is running
Date: Wed, 25 Apr 2012 16:34:37 +0100	[thread overview]
Message-ID: <alpine.DEB.2.00.1204251632300.26786@kaball-desktop> (raw)
In-Reply-To: <1335351773.28015.33.camel@zakaz.uk.xensource.com>

On Wed, 25 Apr 2012, Ian Campbell wrote:
> # HG changeset patch
> # User Ian Campbell <ian.campbell@citrix.com>
> # Date 1335351300 -3600
> # Node ID 28f86b71782a099c0373fb237e6b08e0788ff69d
> # Parent  02f0161ae6201ded5415e7f0c92214b4783c8d72
> libxl: default to xenconsoled for pv guests, even if qemu is running.
> 
> Currently we prefer to use qemu for the disk backend if we are starting qemu
> anyway (e.g. to service a disk).
> 
> Unfortunately qemu doesn't log the console, which xenconsoled can do via
> XENCONSOLED_TRACE=guest. Since xenconsoled is also running anyway it seems like
> there is no particular reason to prefer qemu just because it happens to be
> running.
> 
> However we must use qemu if thereis more than one console (xenconsoled only
> supports a single console).
> 
> Therefore push the logic to change the console backend down into
> libxl__need_xenpv_qemu so that it can do the right thing.
> 
> Signed-off-by: Ian Campbell <ian.campbell@citrix.com>

Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>

  reply	other threads:[~2012-04-25 15:34 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-25 10:15 [PATCH] libxl: default to xenconsoled for pv guests, even if qemu is running Ian Campbell
2012-04-25 10:32 ` Ian Jackson
2012-04-25 10:52   ` Ian Campbell
2012-04-25 10:36 ` Stefano Stabellini
2012-04-25 10:40   ` Ian Campbell
2012-04-25 10:49     ` Stefano Stabellini
2012-04-25 11:02       ` Ian Campbell
2012-04-25 15:34         ` Stefano Stabellini [this message]
2012-05-11 14:53           ` Ian Jackson

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