Re: [RFC PATCH v2 08/32] x86: Use PAGE_KERNEL protection for ioremap of memory page

2017-03-17 Thread Tom Lendacky
On 3/16/2017 3:04 PM, Tom Lendacky wrote: On 3/7/2017 8:59 AM, Borislav Petkov wrote: On Thu, Mar 02, 2017 at 10:13:32AM -0500, Brijesh Singh wrote: From: Tom Lendacky In order for memory pages to be properly mapped when SEV is active, we need to use the PAGE_KERNEL

Re: [RFC PATCH v2 08/32] x86: Use PAGE_KERNEL protection for ioremap of memory page

2017-03-17 Thread Tom Lendacky
On 3/17/2017 9:32 AM, Tom Lendacky wrote: On 3/16/2017 3:04 PM, Tom Lendacky wrote: On 3/7/2017 8:59 AM, Borislav Petkov wrote: On Thu, Mar 02, 2017 at 10:13:32AM -0500, Brijesh Singh wrote: From: Tom Lendacky In order for memory pages to be properly mapped when SEV

Re: [RFC PATCH v2 08/32] x86: Use PAGE_KERNEL protection for ioremap of memory page

2017-03-16 Thread Tom Lendacky
On 3/7/2017 8:59 AM, Borislav Petkov wrote: On Thu, Mar 02, 2017 at 10:13:32AM -0500, Brijesh Singh wrote: From: Tom Lendacky In order for memory pages to be properly mapped when SEV is active, we need to use the PAGE_KERNEL protection attribute as the base

Re: [RFC PATCH v2 08/32] x86: Use PAGE_KERNEL protection for ioremap of memory page

2017-03-07 Thread Borislav Petkov
On Thu, Mar 02, 2017 at 10:13:32AM -0500, Brijesh Singh wrote: > From: Tom Lendacky > > In order for memory pages to be properly mapped when SEV is active, we > need to use the PAGE_KERNEL protection attribute as the base protection. > This will insure that memory