From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by passt.top (Postfix) with ESMTP id AD01C5A026E for ; Fri, 26 Apr 2024 01:06:48 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1714086407; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=9PUM+Fal6fyiBYXsDzNBkaXofn724ICYHqDDX6LfPo0=; b=MyTB4m7pNMjbCCo7XEhRjVjRZ1hJzhrdwlfqtb3RtkpQUtIyzzJ/S3+CLzo5P+pZddNfkj YtnYYgItxYZNt8nwpyOyndyD59FXxHAZg+kU2StFjlblHTsVvXgHZKv+4xCqnrHz8Arov/ Sl6WzUMQWcwUiKepfyopodUlIIKocss= Received: from mail-qv1-f72.google.com (mail-qv1-f72.google.com [209.85.219.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-491-JTIF6NW0O5OixgP7EEdSRw-1; Thu, 25 Apr 2024 19:06:46 -0400 X-MC-Unique: JTIF6NW0O5OixgP7EEdSRw-1 Received: by mail-qv1-f72.google.com with SMTP id 6a1803df08f44-6a0a5f65095so8255636d6.3 for ; Thu, 25 Apr 2024 16:06:45 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1714086405; x=1714691205; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=9PUM+Fal6fyiBYXsDzNBkaXofn724ICYHqDDX6LfPo0=; b=Qft8H09a1d9rite8zo8YB6/O6IVoRz8Qx4jMuYha+D7WHF8RRoQGdsTOGnZ8M1b6XO i0aUJMupSMgGezKj/ZdtL1Ky8mzJMDaqX0Mc8UpN5qeLuDOQUncHIlKYi6PlOzBSjUbX bkHBMCrddHfBJPSmKxbXTkgej0zAnJX4zMN+QrjErBe9sIltxsgGsRHowFdeRic3+DaJ +4LrmwC3YD81GeeUvg6jg7QvdcfApI6uw4HjlVdr6bNBTBNXfen3QtTs8DGnE9UNR683 9RTzn9WKo+MPwJGhh18z50bGapGb2YmHhRbMbqCxEJosJgXNcacTAeAYVKGMurFBARne G02A== X-Gm-Message-State: AOJu0YzhMtUmgn3twwo9rcB+k4B7zsRGHBZO/Xz+2c3vDS9jqqi+gXO5 9R6+l1A8fm3Zz3Zi45NtqhpYwExcLpgGUQN7jBYC1anr487hTUXYxqBelGuA0N7riE8JoA+Zdvr ldf9gXHa3wjT3wYW+9sYMnYTbxhwAGKnBSZ+CAluz3hkb0KyLWg== X-Received: by 2002:ad4:4ee8:0:b0:69b:695f:ad20 with SMTP id dv8-20020ad44ee8000000b0069b695fad20mr1547142qvb.16.1714086405436; Thu, 25 Apr 2024 16:06:45 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHcbII+oWzIBkGncwullnvVejJEgpGo9tneGQj5xoi4oBFerkzC/WwJYpX21GCFXIAUpHzpWQ== X-Received: by 2002:ad4:4ee8:0:b0:69b:695f:ad20 with SMTP id dv8-20020ad44ee8000000b0069b695fad20mr1547129qvb.16.1714086405152; Thu, 25 Apr 2024 16:06:45 -0700 (PDT) Received: from [10.0.0.97] ([24.225.234.80]) by smtp.gmail.com with ESMTPSA id t10-20020a0cc44a000000b006915ae114efsm7395150qvi.52.2024.04.25.16.06.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 25 Apr 2024 16:06:44 -0700 (PDT) Message-ID: <2f519a1e-1d37-3cf6-acb8-4ebe83dc734f@redhat.com> Date: Thu, 25 Apr 2024 19:06:43 -0400 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.15.1 Subject: Re: [PATCH 1/2] tcp: leverage support of SO_PEEK_OFF socket option when available To: David Gibson , Stefano Brivio References: <20240420191920.104876-1-jmaloy@redhat.com> <20240420191920.104876-2-jmaloy@redhat.com> <20240423195010.2b4d5c13@elisabeth> From: Jon Maloy In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset="utf-8"; format="flowed" Content-Transfer-Encoding: base64 Message-ID-Hash: LVMCRKNIXYHD42NXUKNEJRDY6JYGEOZP X-Message-ID-Hash: LVMCRKNIXYHD42NXUKNEJRDY6JYGEOZP X-MailFrom: jmaloy@redhat.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: passt-dev@passt.top, lvivier@redhat.com, dgibson@redhat.com X-Mailman-Version: 3.3.8 Precedence: list List-Id: Development discussion and patches for passt Archived-At: Archived-At: List-Archive: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: T24gMjAyNC0wNC0yMyAyMDo0OCwgRGF2aWQgR2lic29uIHdyb3RlOg0KPiBPbiBUdWUsIEFwciAy MywgMjAyNCBhdCAwNzo1MDoxMFBNICswMjAwLCBTdGVmYW5vIEJyaXZpbyB3cm90ZToNCj4+IE9u IFNhdCwgMjAgQXByIDIwMjQgMTU6MTk6MTkgLTA0MDANCj4+IEpvbiBNYWxveSA8am1hbG95QHJl ZGhhdC5jb20+IHdyb3RlOg0KPiBbc25pcF0NCj4+PiArCXNldF9wZWVrX29mZnNldChzLCAwKTsN Cj4+IERvIHdlIHJlYWxseSBuZWVkIHRvIGluaXRpYWxpc2UgaXQgdG8gemVybyBvbiBhIG5ldyBj b25uZWN0aW9uPyBFeHRyYQ0KPj4gc3lzdGVtIGNhbGxzIG9uIHRoaXMgcGF0aCBtYXR0ZXIgZm9y IGxhdGVuY3kgb2YgY29ubmVjdGlvbg0KPj4gZXN0YWJsaXNobWVudC4NClllcy4gQWx0aG91Z2gg SSBtb3ZlZCBpdCB0b8KgIHRjcF9jb25uX2Zyb21fdGFwKCkgaW4gdGhlIG5leHQgdmVyc2lvbiwN CnRvIG1ha2UgaXQgbW9yZSBzeW1tZXRyaWMgd2l0aCB0aGUgb25lIGluIHRjcF90YXBfY29ubl9m cm9tX3NvY2soKQ0KPiBTb3J0IG9mLCB5ZXM6IHdlIG5lZWQgdG8gZW5hYmxlIHRoZSBTT19QRUVL X09GRiBiZWhhdmlvdXIgYnkgc2V0dGluZw0KPiBpdCB0byAwLCByYXRoZXIgdGhhbiB0aGUgZGVm YXVsdCAtMS4gIFdlIGNvdWxkIGxhemlseSBlbmFibGUgaXQsIGJ1dA0KPiB3ZSdkIG5lZWQgZWl0 aGVyIHRvIGEpIGRvIGl0IGxhdGVyIGluIHRoZSBoYW5kc2hha2UgKG1heWJlIHdoZW4gd2Ugc2V0 DQo+IEVTVEFCTElTSEVEKSwgYnV0IHdlJ2QgbmVlZCB0byBiZSBjYXJlZnVsIGl0IGlzIGFsd2F5 cyBzZXQgYmVmb3JlIHRoZQ0KPiBmaXJzdCBNU0dfUEVFSyBvciBiKSBrZWVwIHRyYWNrIG9mIHdo ZXRoZXIgaXQncyBzZXQgb24gYSBwZXItc29ja2V0DQo+IGJhc2lzICh0aGlzIHdvdWxkIGhhdmUg dGhlIGFkdmFudGFnZSBvZiByb2J1c3RuZXNzIGlmIHdlIGV2ZXINCj4gZW5jb3VudGVyZWQgYSBr ZXJuZWwgdGhhdCB3ZWlyZGx5IGFsbG93cyBpdCBmb3Igc29tZSBidXQgbm90IGFsbCBUQ1ANCj4g c29ja2V0cykuDQo+DQoNCg==