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[82.29.237.198]) by smtp.gmail.com with ESMTPSA id 129sm19560994wmz.26.2021.07.20.02.34.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 20 Jul 2021 02:34:03 -0700 (PDT) Date: Tue, 20 Jul 2021 10:34:01 +0100 From: "Dr. David Alan Gilbert" To: Joerg Roedel Cc: Andi Kleen , David Rientjes , Borislav Petkov , Andy Lutomirski , Sean Christopherson , Andrew Morton , Vlastimil Babka , "Kirill A. Shutemov" , Brijesh Singh , Tom Lendacky , Jon Grimm , Thomas Gleixner , Peter Zijlstra , Paolo Bonzini , Ingo Molnar , "Kaplan, David" , Varad Gautam , Dario Faggioli , x86@kernel.org, linux-mm@kvack.org, linux-coco@lists.linux.dev Subject: Re: Runtime Memory Validation in Intel-TDX and AMD-SNP Message-ID: References: <4e33d22e-330f-c5ba-bc15-08a3298598c5@linux.intel.com> MIME-Version: 1.0 In-Reply-To: User-Agent: Mutt/2.0.7 (2021-05-04) X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Authentication-Results: imf20.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=BBPEWZdI; spf=none (imf20.hostedemail.com: domain of dgilbert@redhat.com has no SPF policy when checking 170.10.133.124) smtp.mailfrom=dgilbert@redhat.com; dmarc=pass (policy=none) header.from=redhat.com X-Rspamd-Server: rspam02 X-Stat-Signature: fhxasyzaiafhaybpmjktrtrkidqi5sbb X-Rspamd-Queue-Id: 226D2D002A29 X-HE-Tag: 1626773646-569763 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi, Does the bitmap need to be page granulairty or can we work on bigger chunks? Dave -- Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK