> -Original Message-
> From: Jürgen Groß
> Sent: 09 December 2019 13:58
> To: Durrant, Paul ; linux-ker...@vger.kernel.org;
> xen-devel@lists.xenproject.org
> Cc: Konrad Rzeszutek Wilk ; Roger Pau Monné
> ; Jens Axboe ; Boris Ostrovsky
> ; Stefano Stabellini
> Subject: Re: [PATCH 4/4] xen
On 05.12.19 15:01, Paul Durrant wrote:
By simply re-attaching to shared rings during connect_ring() rather than
assuming they are freshly allocated (i.e assuming the counters are zero)
it is possible for vbd instances to be unbound and re-bound from and to
(respectively) a running guest.
This ha
> -Original Message-
> From: Roger Pau Monné
> Sent: 09 December 2019 12:17
> To: Durrant, Paul
> Cc: linux-ker...@vger.kernel.org; xen-devel@lists.xenproject.org; Konrad
> Rzeszutek Wilk ; Jens Axboe ;
> Boris Ostrovsky ; Juergen Gross
> ; Stefano Stabellini
> Subject: Re: [PATCH 4/4] x
On Thu, Dec 05, 2019 at 02:01:23PM +, Paul Durrant wrote:
> By simply re-attaching to shared rings during connect_ring() rather than
> assuming they are freshly allocated (i.e assuming the counters are zero)
> it is possible for vbd instances to be unbound and re-bound from and to
> (respective
By simply re-attaching to shared rings during connect_ring() rather than
assuming they are freshly allocated (i.e assuming the counters are zero)
it is possible for vbd instances to be unbound and re-bound from and to
(respectively) a running guest.
This has been tested by running:
while true; do