On 2020/11/17 16:49, Marc Zyngier wrote:
Hi Zenghui,
On 2020-11-16 14:57, Zenghui Yu wrote:
Hi Marc,
On 2020/11/16 22:10, Marc Zyngier wrote:
My take is that only if the "[Re]Distributor base address" is specified
in the system memory map, will the user-provided kvm_device_attr.offset
make se
On 2020-11-17 09:59, Auger Eric wrote:
Hi Marc,
On 11/17/20 9:49 AM, Marc Zyngier wrote:
Hi Zenghui,
On 2020-11-16 14:57, Zenghui Yu wrote:
Hi Marc,
On 2020/11/16 22:10, Marc Zyngier wrote:
My take is that only if the "[Re]Distributor base address" is
specified
in the system memory map, wil
Hi Marc,
On 11/17/20 9:49 AM, Marc Zyngier wrote:
> Hi Zenghui,
>
> On 2020-11-16 14:57, Zenghui Yu wrote:
>> Hi Marc,
>>
>> On 2020/11/16 22:10, Marc Zyngier wrote:
My take is that only if the "[Re]Distributor base address" is specified
in the system memory map, will the user-provided
Hi Zenghui,
On 11/17/20 9:49 AM, Marc Zyngier wrote:
> Hi Zenghui,
>
> On 2020-11-16 14:57, Zenghui Yu wrote:
>> Hi Marc,
>>
>> On 2020/11/16 22:10, Marc Zyngier wrote:
My take is that only if the "[Re]Distributor base address" is specified
in the system memory map, will the user-provid
Hi Zenghui,
On 2020-11-16 14:57, Zenghui Yu wrote:
Hi Marc,
On 2020/11/16 22:10, Marc Zyngier wrote:
My take is that only if the "[Re]Distributor base address" is
specified
in the system memory map, will the user-provided
kvm_device_attr.offset
make sense. And we can then handle the access to
Hi Marc,
On 2020/11/16 22:10, Marc Zyngier wrote:
My take is that only if the "[Re]Distributor base address" is specified
in the system memory map, will the user-provided kvm_device_attr.offset
make sense. And we can then handle the access to the register which is
defined by "base address + offs
On 2020-11-16 13:09, Zenghui Yu wrote:
Hi Marc,
On 2020/11/16 1:04, Marc Zyngier wrote:
Hi Zenghui,
On 2020-11-13 14:28, Zenghui Yu wrote:
It's expected that users will access registers in the redistributor
*if*
the RD has been initialized properly. Unfortunately userspace can be
bogus
enoug
Hi Marc,
On 2020/11/16 1:04, Marc Zyngier wrote:
Hi Zenghui,
On 2020-11-13 14:28, Zenghui Yu wrote:
It's expected that users will access registers in the redistributor *if*
the RD has been initialized properly. Unfortunately userspace can be
bogus
enough to access registers before setting th
Hi Zenghui,
On 2020-11-13 14:28, Zenghui Yu wrote:
It's expected that users will access registers in the redistributor
*if*
the RD has been initialized properly. Unfortunately userspace can be
bogus
enough to access registers before setting the RD base address, and KVM
implicitly allows it (we
It's expected that users will access registers in the redistributor *if*
the RD has been initialized properly. Unfortunately userspace can be bogus
enough to access registers before setting the RD base address, and KVM
implicitly allows it (we handle the access anyway, regardless of whether
the bas
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