Re: [Xen-devel] [PATCH] x86/hvm: wait for at least one ioreq server to be enabled

2015-02-06 Thread Paul Durrant
> -Original Message- > From: Jan Beulich [mailto:jbeul...@suse.com] > Sent: 06 February 2015 14:45 > To: Paul Durrant > Cc: Andrew Cooper; Ian Campbell; Wei Liu; xen-devel@lists.xen.org; Keir > (Xen.org) > Subject: Re: [PATCH] x86/hvm: wait for at least one ioreq server to be > enabled > >

Re: [Xen-devel] [PATCH] x86/hvm: wait for at least one ioreq server to be enabled

2015-02-06 Thread Jan Beulich
>>> On 06.02.15 at 13:27, wrote: > In the case where a stub domain is providing emulation for an HVM > guest, there is no interlock in the toolstack to make sure that > the stub domain is up and running before the guest is unpaused. > > Prior to the introduction of ioreq servers this was not a pr

[Xen-devel] [PATCH] x86/hvm: wait for at least one ioreq server to be enabled

2015-02-06 Thread Paul Durrant
In the case where a stub domain is providing emulation for an HVM guest, there is no interlock in the toolstack to make sure that the stub domain is up and running before the guest is unpaused. Prior to the introduction of ioreq servers this was not a problem, since there was only ever one emulato