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Date: Tue, 28 Sep 2021 18:51:42 +0200 From: Paolo Bonzini <pbonzini@...hat.com> To: Emanuele Giuseppe Esposito <eesposit@...hat.com>, kvm@...r.kernel.org Cc: Maxim Levitsky <mlevitsk@...hat.com>, Sean Christopherson <seanjc@...gle.com>, Vitaly Kuznetsov <vkuznets@...hat.com>, Wanpeng Li <wanpengli@...cent.com>, Jim Mattson <jmattson@...gle.com>, Joerg Roedel <joro@...tes.org>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, x86@...nel.org, "H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org Subject: Re: [PATCH v2 2/4] nSVM: introduce smv->nested.save to cache save area fields On 17/09/21 14:03, Emanuele Giuseppe Esposito wrote: > +static void copy_vmcb_save_area(struct vmcb_save_area_cached *dst, > + struct vmcb_save_area *from) > +{ > + /* > + * Copy only necessary fields, as we need them "Copy only fields that are validated" etc. Paolo > + * to avoid TOC/TOU races. > + */
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