t; Julien Grall ; xen-devel@lists.xenproject.org; Ian
> Jackson
> Subject: Re: [Xen-devel] [PATCH v18 05/11] x86/mm: add
> HYPERVISOR_memory_op to acquire guest resources
>
> >>> On 29.03.18 at 15:17, wrote:
> >> -Original Message-
> >> From: Xen-devel [ma
Wei Liu
>> ; Andrew Cooper ; Tim
>> (Xen.org) ; George Dunlap ;
>> Julien Grall ; xen-devel@lists.xenproject.org; Ian
>> Jackson
>> Subject: Re: [Xen-devel] [PATCH v18 05/11] x86/mm: add
>> HYPERVISOR_memory_op to acquire guest resources
>>
>> > -
unlap ;
> Julien Grall ; xen-devel@lists.xenproject.org; Ian
> Jackson
> Subject: Re: [Xen-devel] [PATCH v18 05/11] x86/mm: add
> HYPERVISOR_memory_op to acquire guest resources
>
> > -Original Message-
> > From: Jan Beulich [mailto:jbeul...@suse.com]
> > Sent: 29 M
> -Original Message-
> From: Jan Beulich [mailto:jbeul...@suse.com]
> Sent: 29 March 2018 13:29
> To: Paul Durrant
> Cc: Julien Grall ; Andrew Cooper
> ; George Dunlap
> ; Ian Jackson ; Wei Liu
> ; StefanoStabellini ; xen-
> de...@lists.xenproject.org; Konrad Rzeszutek Wilk
> ; Tim (Xen.or
>>> On 29.03.18 at 11:53, wrote:
>> From: Jan Beulich [mailto:jbeul...@suse.com]
>> Sent: 26 March 2018 12:41
>>
>> >>> On 22.03.18 at 12:55, wrote:
>> > --- a/xen/include/xlat.lst
>> > +++ b/xen/include/xlat.lst
>> > @@ -86,6 +86,7 @@
>> > ! memory_map memory.h
>> > ! mem
> -Original Message-
> From: Jan Beulich [mailto:jbeul...@suse.com]
> Sent: 26 March 2018 12:41
> To: Paul Durrant
> Cc: Julien Grall ; Andrew Cooper
> ; Wei Liu ; George
> Dunlap ; Ian Jackson ;
> Stefano Stabellini ; xen-devel@lists.xenproject.org;
> Konrad Rzeszutek Wilk ; Tim (Xen.org)
> -Original Message-
> From: Jan Beulich [mailto:jbeul...@suse.com]
> Sent: 26 March 2018 13:51
> To: Paul Durrant
> Cc: Julien Grall ; Andrew Cooper
> ; Wei Liu ; George
> Dunlap ; Ian Jackson ;
> Stefano Stabellini ; xen-devel@lists.xenproject.org;
> Tim (Xen.org)
> Subject: Re: [PATCH
>>> On 26.03.18 at 13:41, wrote:
On 22.03.18 at 12:55, wrote:
>> --- a/xen/include/public/memory.h
>> +++ b/xen/include/public/memory.h
>> @@ -599,6 +599,59 @@ struct xen_reserved_device_memory_map {
>> typedef struct xen_reserved_device_memory_map
>> xen_reserved_device_memory_map_t;
>>
>>> On 22.03.18 at 12:55, wrote:
> --- a/xen/common/memory.c
> +++ b/xen/common/memory.c
> @@ -967,6 +967,94 @@ static long xatp_permission_check(struct domain *d,
> unsigned int space)
> return xsm_add_to_physmap(XSM_TARGET, current->domain, d);
> }
>
> +static int acquire_resource(
> +
Certain memory resources associated with a guest are not necessarily
present in the guest P2M.
This patch adds the boilerplate for new memory op to allow such a resource
to be priv-mapped directly, by either a PV or HVM tools domain.
NOTE: Whilst the new op is not intrinsicly specific to the x86
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