Messages in this thread | | | Subject | Re: [RFC PATCH 1/2] x86: Don't let pgprot_modify() change the page encryption bit | From | Thomas Hellström (VMware) <> | Date | Thu, 5 Sep 2019 18:40:59 +0200 |
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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
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