On Tue, Sep 03, 2019 at 03:15:00PM +0200, Thomas Hellström (VMware) wrote: > With SEV memory encryption and in some cases also with SME memory > encryption, coherent memory is unencrypted. In those cases, TTM doesn't > set up the correct page protection. Fix this by having the TTM > coherent page allocator call into the platform code to determine whether > coherent memory is encrypted or not, and modify the page protection if > it is not. > > v2: > - Use force_dma_unencrypted() rather than sev_active() to catch also the > special SME encryption cases. We should probably cc Christoph Hellwig on this ... better to hear his screams before merging than afterwards. As much as I don't support screaming maintainers, that seems the least bad option here. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
