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Tue, 04 Nov 2025 09:58:52 -0800 (PST) Date: Tue, 4 Nov 2025 09:58:48 -0800 In-Reply-To: <725c68f2607ad2d4f742fd749ea517a98d669384.camel@intel.com> Mime-Version: 1.0 References: <20251030200951.3402865-1-seanjc@google.com> <725c68f2607ad2d4f742fd749ea517a98d669384.camel@intel.com> Message-ID: Subject: Re: [PATCH v4 00/28] KVM: x86/mmu: TDX post-populate cleanups From: Sean Christopherson To: Rick P Edgecombe Cc: "chenhuacai@kernel.org" , "frankja@linux.ibm.com" , "maz@kernel.org" , "borntraeger@linux.ibm.com" , "pjw@kernel.org" , "aou@eecs.berkeley.edu" , "kas@kernel.org" , "maobibo@loongson.cn" , "pbonzini@redhat.com" , "maddy@linux.ibm.com" , "palmer@dabbelt.com" , "imbrenda@linux.ibm.com" , "zhaotianrui@loongson.cn" , "anup@brainfault.org" , "oliver.upton@linux.dev" , "kvm@vger.kernel.org" , "linux-coco@lists.linux.dev" , Kai Huang , Yan Y Zhao , "michael.roth@amd.com" , "binbin.wu@linux.intel.com" , Ira Weiny , "loongarch@lists.linux.dev" , "ackerleytng@google.com" , "kvmarm@lists.linux.dev" , "linux-kernel@vger.kernel.org" , "kvm-riscv@lists.infradead.org" , Vishal Annapurve , "linuxppc-dev@lists.ozlabs.org" , "linux-arm-kernel@lists.infradead.org" , "linux-mips@vger.kernel.org" , "linux-riscv@lists.infradead.org" , "x86@kernel.org" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251104_095853_610005_6B1095DB X-CRM114-Status: GOOD ( 11.00 ) X-BeenThere: kvm-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; 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Tue, 04 Nov 2025 09:58:52 -0800 (PST) Date: Tue, 4 Nov 2025 09:58:48 -0800 In-Reply-To: <725c68f2607ad2d4f742fd749ea517a98d669384.camel@intel.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20251030200951.3402865-1-seanjc@google.com> <725c68f2607ad2d4f742fd749ea517a98d669384.camel@intel.com> Message-ID: Subject: Re: [PATCH v4 00/28] KVM: x86/mmu: TDX post-populate cleanups From: Sean Christopherson To: Rick P Edgecombe Cc: "chenhuacai@kernel.org" , "frankja@linux.ibm.com" , "maz@kernel.org" , "borntraeger@linux.ibm.com" , "pjw@kernel.org" , "aou@eecs.berkeley.edu" , "kas@kernel.org" , "maobibo@loongson.cn" , "pbonzini@redhat.com" , "maddy@linux.ibm.com" , "palmer@dabbelt.com" , "imbrenda@linux.ibm.com" , "zhaotianrui@loongson.cn" , "anup@brainfault.org" , "oliver.upton@linux.dev" , "kvm@vger.kernel.org" , "linux-coco@lists.linux.dev" , Kai Huang , Yan Y Zhao , "michael.roth@amd.com" , "binbin.wu@linux.intel.com" , Ira Weiny , "loongarch@lists.linux.dev" , "ackerleytng@google.com" , "kvmarm@lists.linux.dev" , "linux-kernel@vger.kernel.org" , "kvm-riscv@lists.infradead.org" , Vishal Annapurve , "linuxppc-dev@lists.ozlabs.org" , "linux-arm-kernel@lists.infradead.org" , "linux-mips@vger.kernel.org" , "linux-riscv@lists.infradead.org" , "x86@kernel.org" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable On Fri, Oct 31, 2025, Rick P Edgecombe wrote: > On Thu, 2025-10-30 at 13:09 -0700, Sean Christopherson wrote: > > v4: > > =C2=A0- Collect reviews/acks. > > =C2=A0- Add a lockdep assertion in kvm_tdp_mmu_map_private_pfn(). [Yan] > > =C2=A0- Wrap kvm_tdp_mmu_map_private_pfn() with CONFIG_KVM_GUEST_MEMFD= =3Dy. [test bot] > > =C2=A0- Improve (or add) comments. [Kai, and probably others] > > =C2=A0- s/spte/mirror_spte to make it clear what's being passed in > > =C2=A0- Update set_external_spte() to take @mirror_spte as well. [Yan] > > =C2=A0- Move the KVM_BUG_ON() on tdh_mr_extend() failure to the end. [R= ick] > > =C2=A0- Take "all" the locks in tdx_vm_ioctl(). [Kai] > > =C2=A0- WARN if KVM attempts to map SPTEs into an invalid root. [Yan] > > =C2=A0- Use tdx_flush_vp_on_cpu() instead of tdx_disassociate_vp() when= freeing > > =C2=A0=C2=A0 a vCPU in VCPU_TD_STATE_UNINITIALIZED state. [Yan] >=20 > Do you want someone to follow up with a v2 of this after the series lands= ? (with > Binbin's verbiage comments incorporated) Feel free to send a v2 now. Or just reply to Binbin's mail with the update= d comment. > https://lore.kernel.org/kvm/20251028002824.1470939-1-rick.p.edgecombe@int= el.com/#t From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E187BCCF9E3 for ; Tue, 4 Nov 2025 17:59:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:From:Subject:Message-ID: References:Mime-Version:In-Reply-To:Date:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; 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