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Wed, 29 Sep 2021 12:23:00 -0700 (PDT) Received: from t490s ([2607:fea8:56a2:9100::d3ec]) by smtp.gmail.com with ESMTPSA id r3sm465488ilc.56.2021.09.29.12.22.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 Sep 2021 12:22:59 -0700 (PDT) Date: Wed, 29 Sep 2021 15:22:57 -0400 From: Peter Xu To: Leonardo Bras Soares Passos Subject: Re: [PATCH v3 0/3] QIOChannel async_write & async_flush + MSG_ZEROCOPY + multifd Message-ID: References: <20210922222423.644444-1-leobras@redhat.com> MIME-Version: 1.0 In-Reply-To: Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=peterx@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Received-SPF: pass client-ip=216.205.24.124; envelope-from=peterx@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-devel , Jason Wang , Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= , "Dr. David Alan Gilbert" , Juan Quintela Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Wed, Sep 29, 2021 at 03:34:01PM -0300, Leonardo Bras Soares Passos wrote: > You mean like I did in pre-V1, enabling ZEROCOPY for multifd it in QMP? > Or is this something else? I mean any way to still be able to turn zerocopy off? E.g. when the user has no privilege on mlock. Thanks, -- Peter Xu