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Wed, 22 Sep 2021 15:28:06 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyh00F+r6tLoxR7qQ3ZHnq47BDoTQNiAXtN+aDV/N64DN3sfBMVuv2TGIOa1mH8Bk4ZHQAaYq9ttF9+tJxO5JI= X-Received: by 2002:ac2:48bc:: with SMTP id u28mr1273304lfg.370.1632349686776; Wed, 22 Sep 2021 15:28:06 -0700 (PDT) MIME-Version: 1.0 References: <20210922050340.614781-1-leobras@redhat.com> In-Reply-To: <20210922050340.614781-1-leobras@redhat.com> From: Leonardo Bras Soares Passos Date: Wed, 22 Sep 2021 19:28:36 -0300 Message-ID: Subject: Re: [PATCH v2 0/3] QIOChannel async_write & async_flush + MSG_ZEROCOPY + multifd To: =?UTF-8?Q?Daniel_P=2E_Berrang=C3=A9?= , Juan Quintela , "Dr. David Alan Gilbert" , Peter Xu , Jason Wang 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: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.472, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, 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 Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" I sent an v3 to this series, due to some errors on testing MSG_ZEROCOPY on a user with a low memory locking resource. - If there is not enough memory locking resource, fall back to sync (non-zerocopy) approach. Best regards, Leo