From: Ross Lagerwall <ross.lagerwall@citrix.com>
To: Wei Liu <wei.liu2@citrix.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
Ian Jackson <ian.jackson@eu.citrix.com>,
Ian Campbell <ian.campbell@citrix.com>,
xen-devel@lists.xen.org
Subject: Re: [PATCH] libxl: Don't insert PCI device into xenstore for HVM guests
Date: Fri, 29 May 2015 10:43:08 +0100 [thread overview]
Message-ID: <556834AC.5020605@citrix.com> (raw)
In-Reply-To: <20150529094146.GT30474@zion.uk.xensource.com>
On 05/29/2015 10:41 AM, Wei Liu wrote:
> On Fri, May 29, 2015 at 08:59:45AM +0100, Ross Lagerwall wrote:
>> When doing passthrough of a PCI device for an HVM guest, don't insert
>> the device into xenstore, otherwise pciback attempts to use it which
>> conflicts with QEMU.
>>
>> This manifests itself such that the first time a device is passed to a
>> domain, it succeeds. Subsequent attempts fail unless the device is
>> unbound from pciback or the machine rebooted.
>>
>
> The commit message looks sensible to me. However this might break
> qemu-trad PCI passthrough if I'm not mistaken. What QEMU version are you
> using? Upstream or trad? Have you tested both of them?
>
qemu-trad. I haven't tested with qemu-upstream.
--
Ross Lagerwall
next prev parent reply other threads:[~2015-05-29 9:43 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-29 7:59 [PATCH] libxl: Don't insert PCI device into xenstore for HVM guests Ross Lagerwall
2015-05-29 9:41 ` Wei Liu
2015-05-29 9:43 ` Ross Lagerwall [this message]
2015-05-29 9:50 ` Wei Liu
2015-05-29 9:54 ` Ross Lagerwall
2015-05-29 10:24 ` Wei Liu
2015-06-01 10:12 ` George Dunlap
2015-06-01 15:26 ` Konrad Rzeszutek Wilk
2015-06-01 15:43 ` Ross Lagerwall
2015-06-01 15:58 ` Konrad Rzeszutek Wilk
2015-06-01 15:59 ` Sander Eikelenboom
2015-06-01 16:03 ` Malcolm Crossley
2015-06-01 17:55 ` Konrad Rzeszutek Wilk
2015-06-02 10:06 ` Malcolm Crossley
2015-06-02 14:34 ` Konrad Rzeszutek Wilk
2015-06-02 15:48 ` Malcolm Crossley
2015-06-10 20:10 ` Konrad Rzeszutek Wilk
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