Re: [PATCH v5 23/32] swiotlb: Add warnings for use of bounce buffers with SME

2017-05-19 Thread Tom Lendacky
On 5/16/2017 9:52 AM, Borislav Petkov wrote: On Tue, Apr 18, 2017 at 04:20:19PM -0500, Tom Lendacky wrote: Add warnings to let the user know when bounce buffers are being used for DMA when SME is active. Since the bounce buffers are not in encrypted memory, these notifications are to allow the

Re: [PATCH v5 23/32] swiotlb: Add warnings for use of bounce buffers with SME

2017-05-16 Thread Borislav Petkov
On Tue, Apr 18, 2017 at 04:20:19PM -0500, Tom Lendacky wrote: > Add warnings to let the user know when bounce buffers are being used for > DMA when SME is active. Since the bounce buffers are not in encrypted > memory, these notifications are to allow the user to determine some > appropriate

[PATCH v5 23/32] swiotlb: Add warnings for use of bounce buffers with SME

2017-04-18 Thread Tom Lendacky
Add warnings to let the user know when bounce buffers are being used for DMA when SME is active. Since the bounce buffers are not in encrypted memory, these notifications are to allow the user to determine some appropriate action - if necessary. Signed-off-by: Tom Lendacky