On Fri, 25 Nov 2016, Jan Beulich wrote:
> We should not consume the second slot if it didn't get written yet.
> Normal writers - i.e. Xen - would not update write_pointer between the
> two writes, but the page may get fiddled with by the guest itself, and
> we're better off avoiding to enter an inf
> -Original Message-
> From: Jan Beulich [mailto:jbeul...@suse.com]
> Sent: 25 November 2016 10:06
> To: qemu-de...@nongnu.org
> Cc: Anthony Perard ; Paul Durrant
> ; Stefano Stabellini ; xen-
> devel
> Subject: [PATCH v2 1/3] xen: fix quad word bufioreq handling
>
> We should not consume
We should not consume the second slot if it didn't get written yet.
Normal writers - i.e. Xen - would not update write_pointer between the
two writes, but the page may get fiddled with by the guest itself, and
we're better off avoiding to enter an infinite loop in that case.
Reported-by: yanghongk
