Re: Runtime Memory Validation in Intel-TDX and AMD-SNP

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To: Joerg Roedel <jroedel@xxxxxxx>
Subject: Re: Runtime Memory Validation in Intel-TDX and AMD-SNP
From: "Dr. David Alan Gilbert" <dgilbert@xxxxxxxxxx>
Date: Tue, 20 Jul 2021 10:34:01 +0100
Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>, David Rientjes <rientjes@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxx>, Sean Christopherson <seanjc@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Vlastimil Babka <vbabka@xxxxxxx>, "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>, Brijesh Singh <brijesh.singh@xxxxxxx>, Tom Lendacky <thomas.lendacky@xxxxxxx>, Jon Grimm <jon.grimm@xxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Paolo Bonzini <pbonzini@xxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, "Kaplan, David" <David.Kaplan@xxxxxxx>, Varad Gautam <varad.gautam@xxxxxxxx>, Dario Faggioli <dfaggioli@xxxxxxxx>, x86@xxxxxxxxxx, linux-mm@xxxxxxxxx, linux-coco@xxxxxxxxxxxxxxx
In-reply-to: <YPaPk19JwcwmwzqR@suse.de>
References: <YPV27hDPZUoVsIZt@suse.de> <4e33d22e-330f-c5ba-bc15-08a3298598c5@linux.intel.com> <YPaPk19JwcwmwzqR@suse.de>
User-agent: Mutt/2.0.7 (2021-05-04)

Hi,
  Does the bitmap need to be page granulairty or can we work
on bigger chunks?

Dave

-- 
Dr. David Alan Gilbert / dgilbert@xxxxxxxxxx / Manchester, UK

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References:
- Runtime Memory Validation in Intel-TDX and AMD-SNP
  - From: Joerg Roedel
- Re: Runtime Memory Validation in Intel-TDX and AMD-SNP
  - From: Andi Kleen
- Re: Runtime Memory Validation in Intel-TDX and AMD-SNP
  - From: Joerg Roedel

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