On 09/08/2016 08:55 AM, Borislav Petkov wrote:
> On Thu, Sep 08, 2016 at 08:26:27AM -0500, Tom Lendacky wrote:
>> When does this value get initialized? Since _PAGE_ENC is #defined to
>> sme_me_mask, which is not set until the boot process begins, I'm afraid
>> we'd end up using the initial value o
On Thu, Sep 08, 2016 at 08:26:27AM -0500, Tom Lendacky wrote:
> When does this value get initialized? Since _PAGE_ENC is #defined to
> sme_me_mask, which is not set until the boot process begins, I'm afraid
> we'd end up using the initial value of sme_me_mask, which is zero. Do
> I have that righ
On 09/07/2016 10:55 AM, Borislav Petkov wrote:
> On Wed, Sep 07, 2016 at 09:30:54AM -0500, Tom Lendacky wrote:
>> _PAGE_ENC is #defined as sme_me_mask and sme_me_mask has already been
>> set (or not set) at this point - so it will be the mask if SME is
>> active or 0 if SME is not active.
>
> Yeah
On Wed, Sep 07, 2016 at 09:30:54AM -0500, Tom Lendacky wrote:
> _PAGE_ENC is #defined as sme_me_mask and sme_me_mask has already been
> set (or not set) at this point - so it will be the mask if SME is
> active or 0 if SME is not active.
Yeah, I remember :-)
> sme_early_init() is merely propagati
On 09/06/2016 04:31 AM, Borislav Petkov wrote:
> On Mon, Aug 22, 2016 at 05:36:46PM -0500, Tom Lendacky wrote:
>> Adding general kernel support for memory encryption includes:
>> - Modify and create some page table macros to include the Secure Memory
>> Encryption (SME) memory encryption mask
>>
On 09/05/2016 10:22 AM, Borislav Petkov wrote:
> On Mon, Aug 22, 2016 at 05:36:46PM -0500, Tom Lendacky wrote:
>> Adding general kernel support for memory encryption includes:
>> - Modify and create some page table macros to include the Secure Memory
>> Encryption (SME) memory encryption mask
>>
On 09/05/2016 03:48 AM, Borislav Petkov wrote:
> On Mon, Aug 22, 2016 at 05:36:46PM -0500, Tom Lendacky wrote:
>> Adding general kernel support for memory encryption includes:
>> - Modify and create some page table macros to include the Secure Memory
>> Encryption (SME) memory encryption mask
>>
On 09/02/2016 01:14 PM, Borislav Petkov wrote:
> On Mon, Aug 22, 2016 at 05:36:46PM -0500, Tom Lendacky wrote:
>> Adding general kernel support for memory encryption includes:
>> - Modify and create some page table macros to include the Secure Memory
>> Encryption (SME) memory encryption mask
>>
On Mon, Aug 22, 2016 at 05:36:46PM -0500, Tom Lendacky wrote:
> Adding general kernel support for memory encryption includes:
> - Modify and create some page table macros to include the Secure Memory
> Encryption (SME) memory encryption mask
> - Update kernel boot support to call an SME routine t
On Mon, Aug 22, 2016 at 05:36:46PM -0500, Tom Lendacky wrote:
> Adding general kernel support for memory encryption includes:
> - Modify and create some page table macros to include the Secure Memory
> Encryption (SME) memory encryption mask
> - Update kernel boot support to call an SME routine t
On Mon, Aug 22, 2016 at 05:36:46PM -0500, Tom Lendacky wrote:
> Adding general kernel support for memory encryption includes:
> - Modify and create some page table macros to include the Secure Memory
> Encryption (SME) memory encryption mask
> - Update kernel boot support to call an SME routine t
On Mon, Aug 22, 2016 at 05:36:46PM -0500, Tom Lendacky wrote:
> Adding general kernel support for memory encryption includes:
> - Modify and create some page table macros to include the Secure Memory
> Encryption (SME) memory encryption mask
> - Update kernel boot support to call an SME routine t
Adding general kernel support for memory encryption includes:
- Modify and create some page table macros to include the Secure Memory
Encryption (SME) memory encryption mask
- Update kernel boot support to call an SME routine that checks for and
sets the SME capability (the SME routine will gro
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