> -Original Message-
> From: Jan Beulich
> Sent: 23 December 2020 16:46
> To: Julien Grall ; Paul Durrant
> Cc: hongy...@amazon.co.uk; Julien Grall ;
> xen-devel@lists.xenproject.org
> Subject: Re: [PATCH for-4.15 3/4] [RFC] xen/iommu: x86: Clear the root
> p
Hi Jan,
On 23/12/2020 17:02, Jan Beulich wrote:
On 23.12.2020 17:54, Julien Grall wrote:
On 23/12/2020 16:46, Jan Beulich wrote:
On 23.12.2020 17:29, Julien Grall wrote:
On 23/12/2020 16:24, Jan Beulich wrote:
On 23.12.2020 17:16, Julien Grall wrote:
On 23/12/2020 16:11, Jan Beulich wrote
On 23.12.2020 17:54, Julien Grall wrote:
>
>
> On 23/12/2020 16:46, Jan Beulich wrote:
>> On 23.12.2020 17:29, Julien Grall wrote:
>>> On 23/12/2020 16:24, Jan Beulich wrote:
On 23.12.2020 17:16, Julien Grall wrote:
> On 23/12/2020 16:11, Jan Beulich wrote:
>> On 23.12.2020 16:16, Ju
On 23/12/2020 16:46, Jan Beulich wrote:
On 23.12.2020 17:29, Julien Grall wrote:
On 23/12/2020 16:24, Jan Beulich wrote:
On 23.12.2020 17:16, Julien Grall wrote:
On 23/12/2020 16:11, Jan Beulich wrote:
On 23.12.2020 16:16, Julien Grall wrote:
On 23/12/2020 15:00, Jan Beulich wrote:
On 23
On 23.12.2020 17:29, Julien Grall wrote:
> On 23/12/2020 16:24, Jan Beulich wrote:
>> On 23.12.2020 17:16, Julien Grall wrote:
>>> On 23/12/2020 16:11, Jan Beulich wrote:
On 23.12.2020 16:16, Julien Grall wrote:
> On 23/12/2020 15:00, Jan Beulich wrote:
>> On 23.12.2020 15:56, Julien G
On 23/12/2020 16:24, Jan Beulich wrote:
On 23.12.2020 17:16, Julien Grall wrote:
On 23/12/2020 16:11, Jan Beulich wrote:
On 23.12.2020 16:16, Julien Grall wrote:
On 23/12/2020 15:00, Jan Beulich wrote:
On 23.12.2020 15:56, Julien Grall wrote:
On 23/12/2020 14:12, Jan Beulich wrote:
On 22
On 23.12.2020 17:16, Julien Grall wrote:
> On 23/12/2020 16:11, Jan Beulich wrote:
>> On 23.12.2020 16:16, Julien Grall wrote:
>>> On 23/12/2020 15:00, Jan Beulich wrote:
On 23.12.2020 15:56, Julien Grall wrote:
> On 23/12/2020 14:12, Jan Beulich wrote:
>> On 22.12.2020 16:43, Julien G
Hi,
On 23/12/2020 16:11, Jan Beulich wrote:
On 23.12.2020 16:16, Julien Grall wrote:
On 23/12/2020 15:00, Jan Beulich wrote:
On 23.12.2020 15:56, Julien Grall wrote:
On 23/12/2020 14:12, Jan Beulich wrote:
On 22.12.2020 16:43, Julien Grall wrote:
This is an RFC because it would break AMD IO
On 23.12.2020 16:16, Julien Grall wrote:
> On 23/12/2020 15:00, Jan Beulich wrote:
>> On 23.12.2020 15:56, Julien Grall wrote:
>>> On 23/12/2020 14:12, Jan Beulich wrote:
On 22.12.2020 16:43, Julien Grall wrote:
> This is an RFC because it would break AMD IOMMU driver. One option would
>>>
Hi Jan,
On 23/12/2020 15:00, Jan Beulich wrote:
On 23.12.2020 15:56, Julien Grall wrote:
On 23/12/2020 14:12, Jan Beulich wrote:
On 22.12.2020 16:43, Julien Grall wrote:
This is an RFC because it would break AMD IOMMU driver. One option would
be to move the call to the teardown callback earli
On 23.12.2020 15:56, Julien Grall wrote:
> On 23/12/2020 14:12, Jan Beulich wrote:
>> On 22.12.2020 16:43, Julien Grall wrote:
>>> This is an RFC because it would break AMD IOMMU driver. One option would
>>> be to move the call to the teardown callback earlier on. Any opinions?
>>
>> We already hav
Hi Jan,
On 23/12/2020 14:12, Jan Beulich wrote:
On 22.12.2020 16:43, Julien Grall wrote:
From: Julien Grall
The new per-domain IOMMU page-table allocator will now free the
page-tables when domain's resources are relinquished. However, the root
page-table (i.e. hd->arch.pg_maddr) will not be c
On 22.12.2020 16:43, Julien Grall wrote:
> From: Julien Grall
>
> The new per-domain IOMMU page-table allocator will now free the
> page-tables when domain's resources are relinquished. However, the root
> page-table (i.e. hd->arch.pg_maddr) will not be cleared.
>
> Xen may access the IOMMU page
From: Julien Grall
The new per-domain IOMMU page-table allocator will now free the
page-tables when domain's resources are relinquished. However, the root
page-table (i.e. hd->arch.pg_maddr) will not be cleared.
Xen may access the IOMMU page-tables afterwards at least in the case of
PV domain:
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