On 5/16/2017 9:27 AM, Borislav Petkov wrote: > On Tue, Apr 18, 2017 at 04:20:10PM -0500, Tom Lendacky wrote: >> Since DMA addresses will effectively look like 48-bit addresses when the >> memory encryption mask is set, SWIOTLB is needed if the DMA mask of the >> device performing the DMA does not support 48-bits. SWIOTLB will be >> initialized to create decrypted bounce buffers for use by these devices. > > Use a verb in the subject: > > Subject: x86, swiotlb: Add memory encryption support > > or similar. Will do. Thanks, Tom >
