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[91.219.240.2]) by smtp.gmail.com with ESMTPSA id cz9sm4771599edb.18.2020.05.21.07.59.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 May 2020 07:59:30 -0700 (PDT) From: Vitaly Kuznetsov To: Paolo Bonzini Cc: Vivek Goyal , kvm@vger.kernel.org, x86@kernel.org, Andy Lutomirski , Thomas Gleixner , Borislav Petkov , "H. Peter Anvin" , Wanpeng Li , Jim Mattson , Gavin Shan , Peter Zijlstra , linux-kernel@vger.kernel.org, Andrew Cooper , Sean Christopherson Subject: Re: [PATCH 2/8] KVM: x86: extend struct kvm_vcpu_pv_apf_data with token info In-Reply-To: <943cfc2f-5b18-e00a-f5a2-4577472a1ff5@redhat.com> References: <20200511164752.2158645-1-vkuznets@redhat.com> <20200511164752.2158645-3-vkuznets@redhat.com> <20200512152709.GB138129@redhat.com> <87o8qtmaat.fsf@vitty.brq.redhat.com> <20200512155339.GD138129@redhat.com> <20200512175017.GC12100@linux.intel.com> <20200513125241.GA173965@redhat.com> <0733213c-9514-4b04-6356-cf1087edd9cf@redhat.com> <20200515184646.GD17572@linux.intel.com> <20200515204341.GF17572@linux.intel.com> <943cfc2f-5b18-e00a-f5a2-4577472a1ff5@redhat.com> Date: Thu, 21 May 2020 16:59:29 +0200 Message-ID: <87y2plqqpa.fsf@vitty.brq.redhat.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Paolo Bonzini writes: > However, interrupts for 'page ready' do have a bunch of advantages (more > control on what can be preempted by the notification, a saner check for > new page faults which is effectively a bug fix) so it makes sense to get > them in more quickly (probably 5.9 at this point due to the massive > cleanups that are being done around interrupt vectors). > Actually, I have almost no feedback to address in v2 :-) Almost all discussion are happening around #VE. Don't mean to rush or anything but if the 'cleanups' are finalized I can hopefully rebase and retest very quickly as it's only the KVM guest part which intersects with them, the rest should be KVM-only. But 5.9 is good too) -- Vitaly