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SubjectRe: [RFC PATCH 1/2] x86: Don't let pgprot_modify() change the page encryption bit
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:
> 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.


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