On 2021/4/2 1:11, Will Deacon wrote:
> On Thu, Apr 01, 2021 at 05:47:19PM +0200, Jean-Philippe Brucker wrote:
>> The SMMU provides a Stall model for handling page faults in platform
>> devices. It is similar to PCIe PRI, but doesn't require devices to have
>> their own translation cache. Instead, f
Hi, Will
On 2021/4/2 上午1:11, Will Deacon wrote:
On Thu, Apr 01, 2021 at 05:47:19PM +0200, Jean-Philippe Brucker wrote:
The SMMU provides a Stall model for handling page faults in platform
devices. It is similar to PCIe PRI, but doesn't require devices to have
their own translation cache. Instea
On Thu, Apr 01, 2021 at 05:47:19PM +0200, Jean-Philippe Brucker wrote:
> The SMMU provides a Stall model for handling page faults in platform
> devices. It is similar to PCIe PRI, but doesn't require devices to have
> their own translation cache. Instead, faulting transactions are parked
> and the
The SMMU provides a Stall model for handling page faults in platform
devices. It is similar to PCIe PRI, but doesn't require devices to have
their own translation cache. Instead, faulting transactions are parked
and the OS is given a chance to fix the page tables and retry the
transaction.
Enable
