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Wed, 29 Sep 2021 12:47:37 -0700 (PDT) MIME-Version: 1.0 References: <20210922222423.644444-1-leobras@redhat.com> In-Reply-To: From: Leonardo Bras Soares Passos Date: Wed, 29 Sep 2021 16:48:12 -0300 Message-ID: Subject: Re: [PATCH v3 0/3] QIOChannel async_write & async_flush + MSG_ZEROCOPY + multifd To: Peter Xu Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=lsoaresp@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" Received-SPF: pass client-ip=170.10.129.124; envelope-from=lsoaresp@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_H4=0.001, RCVD_IN_MSPIKE_WL=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 , =?UTF-8?Q?Daniel_P=2E_Berrang=C3=A9?= , "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 4:23 PM Peter Xu wrote: > > 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 > Yeah, that makes sense in the new approach of failing when zerocopy is not possible. I will make sure to do the in v3. Best regards, Leonardo