Re: [Xen-devel] [PATCH v2] x86/HVM: use available linear->phys translations in REP MOVS/STOS handling

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 20/06/16 12:29, Jan Beulich wrote:
> If we have the translation result available already, we should also use
> it here. In my tests with Linux guests this eliminates all calls to
> hvmemul_linear_to_phys() from the STOS path and most from the MOVS one.
>
> Also record the translation for re-use at least during response
> processing.
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

This patch is still broken.  All XenServer HVM guests (both windows and
linux) are dying, with Qemu citing

I/O request not read: 0, ptr: 0, port: 0, data: 0, count: 0, size: 0


The domain still exists, but it looks like it never gets unpaused from
the device model request.

~Andrew

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel