lkml.org 
[lkml]   [2021]   [Mar]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 2/5] iommu/vt-d: Remove WO permissions on second-level paging entries
From
Date
Hi Joerg,

On 3/18/21 5:12 PM, Joerg Roedel wrote:
> Hi,
>
> On Mon, Mar 08, 2021 at 11:47:46AM -0800, Raj, Ashok wrote:
>> That is the primary motivation, given that we have moved to 1st level for
>> general IOVA, first level doesn't have a WO mapping. I didn't know enough
>> about the history to determine if a WO without a READ is very useful. I
>> guess the ZLR was invented to support those cases without a READ in PCIe. I
>
> Okay, please update the commit message and re-send. I guess these
> patches are 5.13 stuff. In that case, Baolu can include them into his
> pull request later this cycle.

Okay! It works for me.

Best regards,
baolu

\
 
 \ /
  Last update: 2021-03-19 01:35    [W:0.960 / U:25.420 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site