Hi Jean,
On 3/18/19 12:01 PM, Jean-Philippe Brucker wrote:
> On 17/03/2019 16:43, Auger Eric wrote:
diff --git a/include/uapi/linux/iommu.h b/include/uapi/linux/iommu.h
index 532a64075f23..e4c6a447e85a 100644
--- a/include/uapi/linux/iommu.h
+++ b/include/uapi/linux/iommu.h
>>>
On 17/03/2019 16:43, Auger Eric wrote:
>>> diff --git a/include/uapi/linux/iommu.h b/include/uapi/linux/iommu.h
>>> index 532a64075f23..e4c6a447e85a 100644
>>> --- a/include/uapi/linux/iommu.h
>>> +++ b/include/uapi/linux/iommu.h
>>> @@ -159,4 +159,75 @@ struct iommu_pasid_table_config {
>>> };
Hi Jacob,
On 3/15/19 7:37 PM, Jacob Pan wrote:
> On Fri, 15 Mar 2019 17:08:49 +0100
> Eric Auger wrote:
>
>> From: "Liu, Yi L"
>>
>> In any virtualization use case, when the first translation stage
>> is "owned" by the guest OS, the host IOMMU driver has no knowledge
>> of caching structure upd
On Fri, 15 Mar 2019 17:08:49 +0100
Eric Auger wrote:
> From: "Liu, Yi L"
>
> In any virtualization use case, when the first translation stage
> is "owned" by the guest OS, the host IOMMU driver has no knowledge
> of caching structure updates unless the guest invalidation activities
> are trappe
From: "Liu, Yi L"
In any virtualization use case, when the first translation stage
is "owned" by the guest OS, the host IOMMU driver has no knowledge
of caching structure updates unless the guest invalidation activities
are trapped by the virtualizer and passed down to the host.
Since the invali
