lkml.org 
[lkml]   [2019]   [Sep]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [RFC PATCH 1/2] x86: Don't let pgprot_modify() change the page encryption bit
From
Date
On 9/5/19 5:24 PM, Christoph Hellwig wrote:
> On Thu, Sep 05, 2019 at 05:21:24PM +0200, Thomas Hellström (VMware) wrote:
>> On 9/5/19 4:15 PM, Dave Hansen wrote:
>>> Hi Thomas,
>>>
>>> Thanks for the second batch of patches! These look much improved on all
>>> fronts.
>> Yes, although the TTM functionality isn't in yet. Hopefully we won't have to
>> bother you with those though, since this assumes TTM will be using the dma
>> API.
> Please take a look at dma_mmap_prepare and dma_mmap_fault in this
> branch:
>
> http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/dma-mmap-improvements
>
> they should allow to fault dma api pages in the page fault handler. But
> this is totally hot off the press and not actually tested for the last
> few patches. Note that I've also included your two patches from this
> series to handle SEV.

Thanks, Christoph.

I'll get to this tomorrow.

/Thomas


\
 
 \ /
  Last update: 2019-09-05 18:42    [W:0.154 / U:1.120 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site