acle.com>; Daniel De Graaf
> <dgde...@tycho.nsa.gov>; Tim (Xen.org) <t...@xen.org>
> Subject: Re: [Xen-devel] [PATCH v12 05/11] x86/mm: add
> HYPERVISOR_memory_op to acquire guest resources
>
> Hi Paul,
>
> On 27/10/17 16:19, Paul Durrant wrote:
> >> ---
.com>; Daniel De Graaf
<dgde...@tycho.nsa.gov>; Tim (Xen.org) <t...@xen.org>
Subject: Re: [Xen-devel] [PATCH v12 05/11] x86/mm: add
HYPERVISOR_memory_op to acquire guest resources
Hi,
On 26/10/17 16:39, Jan Beulich wrote:
On 26.10.17 at 17:32, <julien.gr...@linaro.org
> -Original Message-
> From: Jan Beulich [mailto:jbeul...@suse.com]
> Sent: 26 October 2017 16:27
> To: Paul Durrant
> Cc: Julien Grall ; Andrew Cooper
> ; Wei Liu ; George
> Dunlap
acle.com>; Daniel De Graaf
> <dgde...@tycho.nsa.gov>; Tim (Xen.org) <t...@xen.org>
> Subject: Re: [Xen-devel] [PATCH v12 05/11] x86/mm: add
> HYPERVISOR_memory_op to acquire guest resources
>
> Hi,
>
> On 26/10/17 16:39, Jan Beulich wrote:
> >>>
Hi,
On 26/10/17 16:39, Jan Beulich wrote:
On 26.10.17 at 17:32, wrote:
On 26/10/17 16:26, Jan Beulich wrote:
On 17.10.17 at 15:24, wrote:
+/* IN/OUT - If the tools domain is PV then, upon return, frame_list
+ * will be
>>> On 26.10.17 at 17:32, wrote:
> On 26/10/17 16:26, Jan Beulich wrote:
> On 17.10.17 at 15:24, wrote:
>>> +/* IN/OUT - If the tools domain is PV then, upon return, frame_list
>>> + * will be populated with the MFNs of the
On 26/10/17 16:26, Jan Beulich wrote:
On 17.10.17 at 15:24, wrote:
+/* IN/OUT - If the tools domain is PV then, upon return, frame_list
+ * will be populated with the MFNs of the resource.
+ * If the tools domain is HVM then it is
>>> On 17.10.17 at 15:24, wrote:
> @@ -535,6 +588,48 @@ int compat_memory_op(unsigned int cmd,
> XEN_GUEST_HANDLE_PARAM(void) compat)
> rc = -EFAULT;
> break;
>
> +case XENMEM_acquire_resource:
> +{
> +const
oject.org; Konrad
> Rzeszutek Wilk <konrad.w...@oracle.com>; Daniel De Graaf
> <dgde...@tycho.nsa.gov>; Tim (Xen.org) <t...@xen.org>
> Subject: Re: [Xen-devel] [PATCH v12 05/11] x86/mm: add
> HYPERVISOR_memory_op to acquire guest resources
>
>
>
> On 20/10/17 11:
rad
Rzeszutek Wilk <konrad.w...@oracle.com>; Daniel De Graaf
<dgde...@tycho.nsa.gov>; Tim (Xen.org) <t...@xen.org>
Subject: Re: [Xen-devel] [PATCH v12 05/11] x86/mm: add
HYPERVISOR_memory_op to acquire guest resources
Hi Paul,
On 20/10/17 09:26, Paul Durrant wrote:
-Ori
oject.org; Konrad
> Rzeszutek Wilk <konrad.w...@oracle.com>; Daniel De Graaf
> <dgde...@tycho.nsa.gov>; Tim (Xen.org) <t...@xen.org>
> Subject: Re: [Xen-devel] [PATCH v12 05/11] x86/mm: add
> HYPERVISOR_memory_op to acquire guest resources
>
> Hi Paul,
>
> On 2
ect.org; Konrad Rzeszutek
Wilk <konrad.w...@oracle.com>; Daniel De Graaf <dgde...@tycho.nsa.gov>;
Tim (Xen.org) <t...@xen.org>
Subject: Re: [Xen-devel] [PATCH v12 05/11] x86/mm: add
HYPERVISOR_memory_op to acquire guest resources
On 19.10.17 at 18:21, <julien.gr...@linaro.org>
project.org; Konrad Rzeszutek
> Wilk <konrad.w...@oracle.com>; Daniel De Graaf <dgde...@tycho.nsa.gov>;
> Tim (Xen.org) <t...@xen.org>
> Subject: Re: [Xen-devel] [PATCH v12 05/11] x86/mm: add
> HYPERVISOR_memory_op to acquire guest resources
>
> >>> On 19.10.1
>>> On 19.10.17 at 18:21, wrote:
> Looking a bit more at the resource you can acquire from this hypercall.
> Some of them are allocated using alloc_xenheap_page() so not assigned to
> a domain.
>
> So I am not sure how you can expect a function set_foreign_p2m_entry to
>>> On 19.10.17 at 18:06, wrote:
> On 19/10/17 16:47, Jan Beulich wrote:
>> I don't understand: The refcounting is to be done by ARM-specific
>> code anyway, i.e. by the implementation of set_foreign_p2m_entry(),
>> not its caller. At least that's what I would have
Hi,
On 19/10/17 17:06, Julien Grall wrote:
On 19/10/17 16:47, Jan Beulich wrote:
On 19.10.17 at 17:37, wrote:
Hi,
On 19/10/17 16:11, Jan Beulich wrote:
On 19.10.17 at 16:49, wrote:
I'd prefer to make the whole thing x86-only since that's
Hi,
On 19/10/17 16:47, Jan Beulich wrote:
On 19.10.17 at 17:37, wrote:
Hi,
On 19/10/17 16:11, Jan Beulich wrote:
On 19.10.17 at 16:49, wrote:
I'd prefer to make the whole thing x86-only since that's the only platform
on which I can test
>>> On 19.10.17 at 17:37, wrote:
> Hi,
>
> On 19/10/17 16:11, Jan Beulich wrote:
> On 19.10.17 at 16:49, wrote:
> I'd prefer to make the whole thing x86-only since that's the only platform
on which I can test it, and indeed the code
Hi,
On 19/10/17 16:11, Jan Beulich wrote:
On 19.10.17 at 16:49, wrote:
I'd prefer to make the whole thing x86-only since that's the only platform
on which I can test it, and indeed the code used to be x86-only. Jan objected
to this so all I'm trying to achieve is that
>>> On 19.10.17 at 16:49, wrote:
>> > I'd prefer to make the whole thing x86-only since that's the only platform
>> on which I can test it, and indeed the code used to be x86-only. Jan objected
>> to this so all I'm trying to achieve is that it builds for ARM. Please can
> -Original Message-
[snip]
> >
> > I'd prefer to make the whole thing x86-only since that's the only platform
> on which I can test it, and indeed the code used to be x86-only. Jan objected
> to this so all I'm trying to achieve is that it builds for ARM. Please can
> you and
> Jan reach
>; Jan Beulich
<jbeul...@suse.com>; Daniel De Graaf <dgde...@tycho.nsa.gov>; Roger
Pau Monne <roger....@citrix.com>
Subject: Re: [Xen-devel] [PATCH v12 05/11] x86/mm: add
HYPERVISOR_memory_op to acquire guest resources
Hi,
On 10/19/2017 01:57 PM, Paul Durrant wrote:
-Origin
om>; Jan Beulich
> <jbeul...@suse.com>; Daniel De Graaf <dgde...@tycho.nsa.gov>; Roger
> Pau Monne <roger@citrix.com>
> Subject: Re: [Xen-devel] [PATCH v12 05/11] x86/mm: add
> HYPERVISOR_memory_op to acquire guest resources
>
> Hi,
>
> On 10/19/2017 01:57
rm.com>; Jan Beulich
<jbeul...@suse.com>; Daniel De Graaf <dgde...@tycho.nsa.gov>; Roger
Pau Monne <roger....@citrix.com>
Subject: Re: [Xen-devel] [PATCH v12 05/11] x86/mm: add
HYPERVISOR_memory_op to acquire guest resources
Hi,
On 17/10/17 14:24, Paul Durrant wrote:
Cert
om>; Jan Beulich
> <jbeul...@suse.com>; Daniel De Graaf <dgde...@tycho.nsa.gov>; Roger
> Pau Monne <roger@citrix.com>
> Subject: Re: [Xen-devel] [PATCH v12 05/11] x86/mm: add
> HYPERVISOR_memory_op to acquire guest resources
>
> Hi,
>
> On 17/10/17 14:24
Hi,
On 17/10/17 14:24, Paul Durrant wrote:
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
On 10/17/2017 09:24 AM, Paul Durrant wrote:
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
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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