On Thu, 16 Oct 2014, Peter Maydell wrote:
> On 16 October 2014 13:29, Stefano Stabellini
> wrote:
> > Unfortunately even though it is pretty x86 specific, it is still
> > compiled on ARM, even though it is never actually used (it is used in
> > i386 emulation with Xen acceleration support, while o
On 16 October 2014 13:29, Stefano Stabellini
wrote:
> Unfortunately even though it is pretty x86 specific, it is still
> compiled on ARM, even though it is never actually used (it is used in
> i386 emulation with Xen acceleration support, while on ARM we only use
> the PV machine).
Really? CONFIG
On Wed, 15 Oct 2014, Peter Maydell wrote:
> On 15 October 2014 11:16, Paul Durrant wrote:
> > The ioreq-server API added to Xen 4.5 offers better security than
> > the existing Xen/QEMU interface because the shared pages that are
> > used to pass emulation request/results back and forth are remove
On Thu, 16 Oct 2014, Paul Durrant wrote:
> > -Original Message-
> > From: Stefano Stabellini [mailto:stefano.stabell...@eu.citrix.com]
> > Sent: 15 October 2014 15:38
> > To: Paul Durrant
> > Cc: qemu-devel@nongnu.org; xen-de...@lists.xenproject.org; Stefano
> > Stabellini; Peter Maydell; P
> -Original Message-
> From: Paul Durrant
> Sent: 16 October 2014 11:17
> To: 'Paolo Bonzini'; Peter Maydell
> Cc: QEMU Developers; xen-de...@lists.xenproject.org; Stefano Stabellini;
> Michael Tokarev; Stefan Hajnoczi; Stefan Weil; Olaf Hering; Gerd Hoffmann;
> Alexey Kardashevskiy; Alexan
Il 16/10/2014 12:16, Paul Durrant ha scritto:
>> What exactly is the right semantics? Note that save _can_ fail,
>> so you need the ability to roll back to the source machine. I
>> think this is missing from your patch, and there is no post_save
>> hook that you can use.
>
> I need something tha
> -Original Message-
> From: Paolo Bonzini [mailto:pbonz...@redhat.com]
> Sent: 16 October 2014 11:10
> To: Paul Durrant; Peter Maydell
> Cc: QEMU Developers; xen-de...@lists.xenproject.org; Stefano Stabellini;
> Michael Tokarev; Stefan Hajnoczi; Stefan Weil; Olaf Hering; Gerd Hoffmann;
> A
Il 16/10/2014 10:25, Paul Durrant ha scritto:
>>> +static void xen_hvm_pre_save(void *opaque)
>>> +{
>>> +XenIOState *state = opaque;
>>> +
>>> +/* Stop servicing emulation requests */
>>> +xen_set_ioreq_server_state(xen_xc, xen_domid, state->ioservid, 0);
>>> +xen_destroy_ioreq_ser
> -Original Message-
> From: Stefano Stabellini [mailto:stefano.stabell...@eu.citrix.com]
> Sent: 15 October 2014 15:38
> To: Paul Durrant
> Cc: qemu-devel@nongnu.org; xen-de...@lists.xenproject.org; Stefano
> Stabellini; Peter Maydell; Paolo Bonzini; Michael Tokarev; Stefan Hajnoczi;
> Ste
> -Original Message-
> From: Paolo Bonzini [mailto:pbonz...@redhat.com]
> Sent: 16 October 2014 08:37
> To: Peter Maydell; Paul Durrant
> Cc: QEMU Developers; xen-de...@lists.xenproject.org; Stefano Stabellini;
> Michael Tokarev; Stefan Hajnoczi; Stefan Weil; Olaf Hering; Gerd Hoffmann;
> A
> -Original Message-
> From: Peter Maydell [mailto:peter.mayd...@linaro.org]
> Sent: 15 October 2014 18:30
> To: Paul Durrant
> Cc: QEMU Developers; xen-de...@lists.xenproject.org; Stefano Stabellini;
> Paolo Bonzini; Michael Tokarev; Stefan Hajnoczi; Stefan Weil; Olaf Hering;
> Gerd Hoffma
Il 15/10/2014 19:30, Peter Maydell ha scritto:
> On 15 October 2014 11:16, Paul Durrant wrote:
>> The ioreq-server API added to Xen 4.5 offers better security than
>> the existing Xen/QEMU interface because the shared pages that are
>> used to pass emulation request/results back and forth are remo
On 15 October 2014 11:16, Paul Durrant wrote:
> The ioreq-server API added to Xen 4.5 offers better security than
> the existing Xen/QEMU interface because the shared pages that are
> used to pass emulation request/results back and forth are removed
> from the guest's memory space before any reque
> -Original Message-
> From: Stefano Stabellini [mailto:stefano.stabell...@eu.citrix.com]
> Sent: 15 October 2014 15:38
> To: Paul Durrant
> Cc: qemu-devel@nongnu.org; xen-de...@lists.xenproject.org; Stefano
> Stabellini; Peter Maydell; Paolo Bonzini; Michael Tokarev; Stefan Hajnoczi;
> Ste
On Wed, 15 Oct 2014, Paul Durrant wrote:
> The ioreq-server API added to Xen 4.5 offers better security than
> the existing Xen/QEMU interface because the shared pages that are
> used to pass emulation request/results back and forth are removed
> from the guest's memory space before any requests ar
The ioreq-server API added to Xen 4.5 offers better security than
the existing Xen/QEMU interface because the shared pages that are
used to pass emulation request/results back and forth are removed
from the guest's memory space before any requests are serviced.
This prevents the guest from mapping
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