Re: [PATCH v1 11/26] x86/sev: Invalidate pages from the direct map when adding them to the RMP table

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On Fri, Jan 12, 2024 at 12:00:01PM -0800, Dave Hansen wrote:
> I thought we agreed long ago to just demote the whole direct map to 4k
> on kernels that might need to act as SEV-SNP hosts.  That should be step
> one and this can be discussed as an optimization later.

Do we have a link to that agreement somewhere?

I'd like to read why we agreed. And looking at Mike's talk:
https://lwn.net/Articles/931406/ - what do we wanna do in general with
the direct map granularity?

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette




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