Re: [PATCH v6 22/34] x86/mm: Add support for changing the memory encryption attribute

2017-06-14 Thread Borislav Petkov
On Wed, Jun 07, 2017 at 02:17:00PM -0500, Tom Lendacky wrote: > Add support for changing the memory encryption attribute for one or more > memory pages. This will be useful when we have to change the AP trampoline > area to not be encrypted. Or when we need to change the SWIOTLB area to > not be

[PATCH v6 22/34] x86/mm: Add support for changing the memory encryption attribute

2017-06-07 Thread Tom Lendacky
Add support for changing the memory encryption attribute for one or more memory pages. This will be useful when we have to change the AP trampoline area to not be encrypted. Or when we need to change the SWIOTLB area to not be encrypted in support of devices that can't support the encryption mask