Re: [PATCH v8 3/9] Documentation/x86: Add documentation for SVA (Shared Virtual Addressing)
From: Borislav Petkov
Date: Thu Sep 17 2020 - 14:40:11 EST
On Thu, Sep 17, 2020 at 07:56:09AM -0700, Raj, Ashok wrote:
> Just tweaked it a bit:
> "When ATS lookup fails for a virtual address, device should use PRI in
> order to request the virtual address to be paged into the CPU page tables.
> The device must use ATS again in order the fetch the translation again
> before use"