Re: [PATCH 4/5] xen-fbfront: handle backend CLOSED without CLOSING

2012-10-22 Thread Florian Tobias Schandinat
Hi Konrad, On 10/19/2012 01:00 PM, Konrad Rzeszutek Wilk wrote: > On Thu, Oct 18, 2012 at 11:03:37AM +0100, David Vrabel wrote: >> From: David Vrabel >> >> Backend drivers shouldn't transistion to CLOSED unless the frontend is >> CLOSED. If a backend does transition to CLOSED too soon then the

Re: [PATCH 4/5] xen-fbfront: handle backend CLOSED without CLOSING

2012-10-22 Thread Florian Tobias Schandinat
Hi Konrad, On 10/19/2012 01:00 PM, Konrad Rzeszutek Wilk wrote: On Thu, Oct 18, 2012 at 11:03:37AM +0100, David Vrabel wrote: From: David Vrabel david.vra...@citrix.com Backend drivers shouldn't transistion to CLOSED unless the frontend is CLOSED. If a backend does transition to CLOSED too

Re: [PATCH 4/5] xen-fbfront: handle backend CLOSED without CLOSING

2012-10-19 Thread Konrad Rzeszutek Wilk
On Thu, Oct 18, 2012 at 11:03:37AM +0100, David Vrabel wrote: > From: David Vrabel > > Backend drivers shouldn't transistion to CLOSED unless the frontend is > CLOSED. If a backend does transition to CLOSED too soon then the > frontend may not see the CLOSING state and will not properly

Re: [PATCH 4/5] xen-fbfront: handle backend CLOSED without CLOSING

2012-10-19 Thread Konrad Rzeszutek Wilk
On Thu, Oct 18, 2012 at 11:03:37AM +0100, David Vrabel wrote: From: David Vrabel david.vra...@citrix.com Backend drivers shouldn't transistion to CLOSED unless the frontend is CLOSED. If a backend does transition to CLOSED too soon then the frontend may not see the CLOSING state and will

[PATCH 4/5] xen-fbfront: handle backend CLOSED without CLOSING

2012-10-18 Thread David Vrabel
From: David Vrabel Backend drivers shouldn't transistion to CLOSED unless the frontend is CLOSED. If a backend does transition to CLOSED too soon then the frontend may not see the CLOSING state and will not properly shutdown. So, treat an unexpected backend CLOSED state the same as CLOSING.

[PATCH 4/5] xen-fbfront: handle backend CLOSED without CLOSING

2012-10-18 Thread David Vrabel
From: David Vrabel david.vra...@citrix.com Backend drivers shouldn't transistion to CLOSED unless the frontend is CLOSED. If a backend does transition to CLOSED too soon then the frontend may not see the CLOSING state and will not properly shutdown. So, treat an unexpected backend CLOSED state