On 4/6/21 9:00 AM, Kirill A. Shutemov wrote:
>>> --- a/arch/x86/mm/ioremap.c
>>> +++ b/arch/x86/mm/ioremap.c
>>> @@ -87,12 +87,12 @@ static unsigned int __ioremap_check_ram(struct resource
>>> *res)
>>> }
>>>
>>> /*
>>> - * In a SEV guest, NONE and RESERVED should not be mapped encrypted
On Thu, Apr 01, 2021 at 01:26:23PM -0700, Dave Hansen wrote:
> On 2/5/21 3:38 PM, Kuppuswamy Sathyanarayanan wrote:
> > From: "Kirill A. Shutemov"
> >
> > All ioremap()ed paged that are not backed by normal memory (NONE or
> > RESERVED) have to be mapped as shared.
>
> s/paged/pages/
>
>
> >
On 2/5/21 3:38 PM, Kuppuswamy Sathyanarayanan wrote:
> From: "Kirill A. Shutemov"
>
> All ioremap()ed paged that are not backed by normal memory (NONE or
> RESERVED) have to be mapped as shared.
s/paged/pages/
> +/* Make the page accesable by VMM */
> +#define pgprot_tdx_shared(prot)
From: "Kirill A. Shutemov"
All ioremap()ed paged that are not backed by normal memory (NONE or
RESERVED) have to be mapped as shared.
Reuse the infrastructure we have for AMD SEV.
Signed-off-by: Kirill A. Shutemov
Reviewed-by: Andi Kleen
Signed-off-by: Kuppuswamy Sathyanarayanan
---
4 matches
Mail list logo
