On 22/03/16 18:02, Borislav Petkov wrote:
> On Wed, Mar 16, 2016 at 06:46:58PM -0600, Toshi Kani wrote:
>> Xen supports PAT without MTRR for its guests. In order to
>> enable WC attribute, it was necessary for xen_start_kernel()
>> to call pat_init_cache_modes() to update PAT table before
>>
On Wed, Mar 16, 2016 at 06:46:58PM -0600, Toshi Kani wrote:
> Xen supports PAT without MTRR for its guests. In order to
> enable WC attribute, it was necessary for xen_start_kernel()
> to call pat_init_cache_modes() to update PAT table before
> starting guest kernel.
>
> Now that the kernel
Xen supports PAT without MTRR for its guests. In order to
enable WC attribute, it was necessary for xen_start_kernel()
to call pat_init_cache_modes() to update PAT table before
starting guest kernel.
Now that the kernel initializes PAT table to the BIOS handoff
state when MTRR is disabled, this
