On 05/01/2023 2:01 pm, Jan Beulich wrote:
> On 22.12.2022 23:31, Demi Marie Obenour wrote:
>> --- a/xen/arch/x86/mm.c
>> +++ b/xen/arch/x86/mm.c
>> @@ -6352,6 +6352,11 @@ unsigned long get_upper_mfn_bound(void)
>> return min(max_mfn, 1UL << (paddr_bits - PAGE_SHIFT)) - 1;
>> }
>>
>> +
>>
On 22.12.2022 23:31, Demi Marie Obenour wrote:
> --- a/xen/arch/x86/mm.c
> +++ b/xen/arch/x86/mm.c
> @@ -6352,6 +6352,11 @@ unsigned long get_upper_mfn_bound(void)
> return min(max_mfn, 1UL << (paddr_bits - PAGE_SHIFT)) - 1;
> }
>
> +
> +/*
Nit: Please avoid introducing double blank
It may be desirable to change Xen's PAT for various reasons. This
requires changes to several _PAGE_* macros as well. Add static
assertions to check that XEN_MSR_PAT is consistent with the _PAGE_*
macros, and that _PAGE_WB is 0 as required by Linux.
Signed-off-by: Demi Marie Obenour
---
