# Re: \[PATCH v2 03/12\] x86/sev: Add an x86 version of prot\_guest\_has()

- From: Kuppuswamy, Sathyanarayanan \<sathyanarayanan.kuppuswamy@linux.intel.com\>
- Date: 2021-08-19 19:57:54 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2021/08/212827
- Thread: https://ratatoskr.run/linuxppc-dev/2021/08/212359/t.md

```text


On 8/19/21 11:33 AM, Tom Lendacky wrote:
> There was some talk about this on the mailing list where TDX and SEV may
> need to be differentiated, so we wanted to reserve a range of values per
> technology. I guess I can remove them until they are actually needed.

In TDX also we have similar requirements and we need some flags for
TDX specific checks. So I think it is fine to leave some space for vendor
flags.

-- 
Sathyanarayanan Kuppuswamy
Linux Kernel Developer
```