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([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.googlemail.com with ESMTPSA id t184-20020a1c46c1000000b003814de297fcsm10868608wma.16.2022.03.11.09.50.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 11 Mar 2022 09:50:48 -0800 (PST) Message-ID: Date: Fri, 11 Mar 2022 18:50:47 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [PATCH v4 21/30] KVM: x86/mmu: Zap invalidated roots via asynchronous worker Content-Language: en-US To: Sean Christopherson Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , David Hildenbrand , David Matlack , Ben Gardon , Mingwei Zhang References: <20220303193842.370645-1-pbonzini@redhat.com> <20220303193842.370645-22-pbonzini@redhat.com> <8b8c28cf-cf54-f889-be7d-afc9f5430ecd@redhat.com> <20497464-0606-7ea5-89b8-8f5cd56a1a68@redhat.com> From: Paolo Bonzini In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.5 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,RDNS_NONE,SPF_HELO_NONE, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/8/22 22:29, Sean Christopherson wrote: >>>> Good, for the record these are the commit messages I have: >> I'm seeing some hangs in ~50% of installation jobs, both Windows and Linux. >> I have not yet tried to reproduce outside the automated tests, or to bisect, >> but I'll try to push at least the first part of the series for 5.18. > Out of curiosity, what was the bug? I see this got pushed to kvm/next. > Of course it was in another, "harmless" patch that was in front of it. :) Paolo