On Mon, Apr 15, 2019 at 07:00:27PM +0100, Jean-Philippe Brucker wrote:
> On 15/04/2019 14:21, Will Deacon wrote:
> > On Tue, Apr 09, 2019 at 05:52:44PM +0100, Jean-Philippe Brucker wrote:
> >> PCIe devices can implement their own TLB, named Address Translation Cache
> >> (ATC). Enable Address
On 15/04/2019 14:21, Will Deacon wrote:
> On Tue, Apr 09, 2019 at 05:52:44PM +0100, Jean-Philippe Brucker wrote:
>> PCIe devices can implement their own TLB, named Address Translation Cache
>> (ATC). Enable Address Translation Service (ATS) for devices that support
>> it and send them invalidation
On Tue, Apr 09, 2019 at 05:52:44PM +0100, Jean-Philippe Brucker wrote:
> PCIe devices can implement their own TLB, named Address Translation Cache
> (ATC). Enable Address Translation Service (ATS) for devices that support
> it and send them invalidation requests whenever we invalidate the IOTLBs.
PCIe devices can implement their own TLB, named Address Translation Cache
(ATC). Enable Address Translation Service (ATS) for devices that support
it and send them invalidation requests whenever we invalidate the IOTLBs.
ATC invalidation is allowed to take up to 90 seconds, according to the
PCIe
