>>> On 26.05.15 at 10:05, wrote:
> No, not really. Protecting against a misbehaving control domain
> (guaranteeing the correctness of the operation) is going
> to be incomplete anyway. I think we just need to make this operation
> safe so even the control domain won't be able to compromise the
> h
Tim Deegan writes:
> At 12:06 +0200 on 25 May (143265), Vitaly Kuznetsov wrote:
>> Tim Deegan writes:
>>
>> > At 17:26 +0100 on 22 May (1432315574), Jan Beulich wrote:
>> >> >>> On 22.05.15 at 17:36, wrote:
>> >> > On 13.05.15 at 11:49, wrote:
>> >> >>> +if ( !source_d->is_dying )
At 12:06 +0200 on 25 May (143265), Vitaly Kuznetsov wrote:
> Tim Deegan writes:
>
> > At 17:26 +0100 on 22 May (1432315574), Jan Beulich wrote:
> >> >>> On 22.05.15 at 17:36, wrote:
> >> > On 13.05.15 at 11:49, wrote:
> >> >>> +if ( !source_d->is_dying )
> >> >>> +{
> >> >>> +
Tim Deegan writes:
> At 17:26 +0100 on 22 May (1432315574), Jan Beulich wrote:
>> >>> On 22.05.15 at 17:36, wrote:
>> > On 13.05.15 at 11:49, wrote:
>> >>> +if ( !source_d->is_dying )
>> >>> +{
>> >>> +/*
>> >>> + * Make sure no allocation/remapping for the source do
At 17:26 +0100 on 22 May (1432315574), Jan Beulich wrote:
> >>> On 22.05.15 at 17:36, wrote:
> > On 13.05.15 at 11:49, wrote:
> >>> +if ( !source_d->is_dying )
> >>> +{
> >>> +/*
> >>> + * Make sure no allocation/remapping for the source domain is
> >>> ongoing
> >>>
>>> On 22.05.15 at 17:36, wrote:
> On 13.05.15 at 11:49, wrote:
>>> +if ( !source_d->is_dying )
>>> +{
>>> +/*
>>> + * Make sure no allocation/remapping for the source domain is
>>> ongoing
>>> + * and set is_dying flag to prevent such actions in future.
>>> +
"Jan Beulich" writes:
On 13.05.15 at 11:49, wrote:
>> --- a/xen/common/memory.c
>> +++ b/xen/common/memory.c
>> @@ -580,6 +580,234 @@ static long
>> memory_exchange(XEN_GUEST_HANDLE_PARAM(xen_memory_exchange_t) arg)
>> return rc;
>> }
>>
>> +static long
>> memory_soft_reset(XEN_GU
>>> On 13.05.15 at 11:49, wrote:
> --- a/xen/common/memory.c
> +++ b/xen/common/memory.c
> @@ -580,6 +580,234 @@ static long
> memory_exchange(XEN_GUEST_HANDLE_PARAM(xen_memory_exchange_t) arg)
> return rc;
> }
>
> +static long
> memory_soft_reset(XEN_GUEST_HANDLE_PARAM(xen_memory_soft_r
New operation reassigns all memory pages from source domain to the destination
domain mapping them at exactly the same GFNs. Pages mapped more than once (e.g.
grants) are being copied.
Signed-off-by: Vitaly Kuznetsov
---
xen/common/memory.c | 232 +
