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([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.gmail.com with ESMTPSA id o12sm13359543wms.15.2021.09.20.06.18.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 20 Sep 2021 06:18:32 -0700 (PDT) Subject: Re: [PATCH v2 00/13] perf: KVM: Fix, optimize, and clean up callbacks To: Marc Zyngier References: <20210828003558.713983-1-seanjc@google.com> <20210828201336.GD4353@worktop.programming.kicks-ass.net> <662e93f9-e858-689d-d203-742731ecad2c@redhat.com> <87tuifv3mb.wl-maz@kernel.org> From: Paolo Bonzini Message-ID: <7a5825d1-d6e9-8ac8-5df2-cce693525da7@redhat.com> Date: Mon, 20 Sep 2021 15:18:30 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <87tuifv3mb.wl-maz@kernel.org> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=pbonzini@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Cc: Wanpeng Li , kvm@vger.kernel.org, Peter Zijlstra , Catalin Marinas , Guo Ren , "H. Peter Anvin" , linux-riscv@lists.infradead.org, Vincent Chen , Jiri Olsa , Boris Ostrovsky , Stefano Stabellini , xen-devel@lists.xenproject.org, Will Deacon , Joerg Roedel , x86@kernel.org, linux-csky@vger.kernel.org, kvmarm@lists.cs.columbia.edu, Alexander Shishkin , Ingo Molnar , Like Xu , Albert Ou , Zhu Lingshan , Arnaldo Carvalho de Melo , Borislav Petkov , Greentime Hu , Paul Walmsley , Namhyung Kim , Thomas Gleixner , Artem Kashkanov , linux-arm-kernel@lists.infradead.org, Jim Mattson , Juergen Gross , Nick Hu , Sean Christopherson , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Palmer Dabbelt , Vitaly Kuznetsov X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu On 20/09/21 14:22, Marc Zyngier wrote: >> I think that's only ARM, and even then it is only because of >> limitations of the hardware which mostly apply only if VHE is not in >> use. >> >> If anything, it's ARM that should support module build in VHE mode >> (Linux would still need to know whether it will be running at EL1 or >> EL2, but KVM's functionality is as self-contained as on x86 in the VHE >> case). > I don't see this happening anytime soon. At least not before we > declare the arm64 single kernel image policy to be obsolete. --verbose please. :) I am sure you're right, but I don't understand the link between the two. Paolo _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm