Messages in this thread | | | Date | Wed, 18 Sep 2019 06:39:49 -0700 | From | Christoph Hellwig <> | Subject | Re: [PATCH v3 0/2] Fix SEV user-space mapping of unencrypted coherent memory |
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This looks sensibe to me. x86 folks let me know if you guys want to pick this up or if I should take it.
On Tue, Sep 17, 2019 at 03:01:13PM +0200, Thomas Hellström (VMware) wrote: > As far as I can tell there are no current users of dma_mmap_coherent() with > SEV or SME encryption which means that there is no need to CC stable.
Note that the usbfs access really should use it, as the current version is completely broken on non-coherent architectures. That already triggered on x86 dma_mmap_coherent fix. So I'd actually like to see a stable backport to avoid hitting surprises.
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