From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 3570746B27 for ; Wed, 9 Jul 2025 11:31:26 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 0FA844021E; Wed, 9 Jul 2025 11:31:26 +0200 (CEST) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by mails.dpdk.org (Postfix) with ESMTP id 3A7714021E for ; Wed, 9 Jul 2025 11:31:24 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1752053483; 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=Jvp7Ha8b0ZGThExcanrP446FmPc1KNI/qgMbaBACTWA=; b=YWE2gDFYJL7sCv5NezpBgxJWnm1PExtdMyko8bkM8YIxEmLQXhbpsk67lZV6kKG2F1SIRH Aqr8NxBXovaToYHIKOW1hbKxfMkGy77sF+4yd7QYySC2AVSU+1YMaiMhYi0sjUkhp6rlhi +AthGYr9yhKI5D+rShlEfeVqMz8PW3I= Received: from mail-lf1-f71.google.com (mail-lf1-f71.google.com [209.85.167.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-433-uxKmJVwuOTG9UUzkFe89Pg-1; Wed, 09 Jul 2025 05:31:22 -0400 X-MC-Unique: uxKmJVwuOTG9UUzkFe89Pg-1 X-Mimecast-MFC-AGG-ID: uxKmJVwuOTG9UUzkFe89Pg_1752053481 Received: by mail-lf1-f71.google.com with SMTP id 2adb3069b0e04-5562a916832so3154790e87.1 for ; Wed, 09 Jul 2025 02:31:22 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1752053481; x=1752658281; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Jvp7Ha8b0ZGThExcanrP446FmPc1KNI/qgMbaBACTWA=; b=IvH6wzbgDZembz3ZJSL8gRZf9YyMPxIVS5QN3rP2g4sLFR6B3hR29YE+hTgB2OoYSH m74hwM8z0ySiJYQ9q1yrVpb/Rlis6cSxbngK0Nm5LiRb4FjWCiF2b4tcJ1V/cX5wDKsO 7Eou8D/OZFv1KnMQIyS8sxLbfuDOjo6zthcL1QEeqxo36o6I0nKkAc1aa8ow+EUG/o1g 7j7TQt96NpgGjTkR6JcldvZYcs/RyM+M7JpxBIr/GrQlEC8li2c24PujXOltvtHYAmDU R0HOKwMfmYekW7z1qGxdO/D0talLDyB84bU+VlBFZvWC3wUEYRiQ8ovUGDA/HJ/zq/DE 3pqQ== X-Forwarded-Encrypted: i=1; AJvYcCVSWzqqX8yNNmUsPWTeovfT3kyKudz0Pk4dCBj5zptWuMv4/DWaSZZUEWrbWMBrkZHzTob86jw=@dpdk.org X-Gm-Message-State: AOJu0YzWWi/0w0eHUoOQdHwWiDO8Y+gMadfJKiyRUrUZSaUbve4IHza6 apVpE4KRJ/Hk/lVKZAiT+Ndvfwo07XBbc4TDV3t/8Bacfur7l3NIHDbGaGtUATmTVaz2gFQrajw sS+GjBYsWi/hYOkpUtUKY9JzPqptxITVDiNohWojklusjOkSJotRFoSGhlw3MW+m7maIfx3hk3c AcrfVo6ydStgDn2IV3UwpldlU= X-Gm-Gg: ASbGncsuu+Z1GQvZWl2nN/xm9EUP9d4XYXP7hh6P4QJiPLTJ+VamWYgoKnMSe44OnoS bZxflHxNul0pHVm9us6ESsiM+rFfOS7GX5ev017oTvNbBnJ+oRMGnPW+rs1UIUxjBg9g77UwUkC PQ3gqBrQ== X-Received: by 2002:a05:6512:3041:b0:554:f79d:ce4e with SMTP id 2adb3069b0e04-558fa9020a2mr717020e87.38.1752053480710; Wed, 09 Jul 2025 02:31:20 -0700 (PDT) X-Google-Smtp-Source: AGHT+IE4wmYday1cVCIzravOmt8BI4qAom1+mvQIZgqOzfnl/eFy7ma/CVGR0mHwtS4oUTmU2AR8ffFNmuvcOXqpBes= X-Received: by 2002:a05:6512:3041:b0:554:f79d:ce4e with SMTP id 2adb3069b0e04-558fa9020a2mr717001e87.38.1752053480222; Wed, 09 Jul 2025 02:31:20 -0700 (PDT) MIME-Version: 1.0 References: <20250708142305.3636707-1-david.marchand@redhat.com> In-Reply-To: From: David Marchand Date: Wed, 9 Jul 2025 11:31:08 +0200 X-Gm-Features: Ac12FXz37WYg3x-4f4hrqplMbcTbLxUmpivCDay_t-90W8BCHij9RzdmXjO4hVc Message-ID: Subject: Re: [PATCH] net/virtio: revert Tx free threshold fix To: David Marchand Cc: dev@dpdk.org, thomas@monjalon.net, stable@dpdk.org, Maxime Coquelin , Chenbo Xia , Baoyuan Li , Hengqi Chen X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: yHzB7Cc0U7k3-sHSEPa1geysH9ce0qHz1N5DFLXMM-I_1752053481 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org On Wed, Jul 9, 2025 at 3:34=E2=80=AFAM Hengqi Chen = wrote: > > On Tue, Jul 8, 2025 at 10:23=E2=80=AFPM David Marchand > wrote: > > > > This fix introduced a performance regression. > > > > The problem is under investigation, but we are too close to the release > > (and the virtio/vhost maintainer is not available) to get a fix before > > the v25.07 release. > > > > Revert this change for now, we can revisit during v25.11. > > > > Bugzilla ID: 1747 > > Fixes: 3e3c7f3fa5ac ("net/virtio: fix check of threshold for Tx freeing= ") > > Cc: stable@dpdk.org > > > > Signed-off-by: David Marchand > Acked-by: Hengqi Chen Applied, thanks. --=20 David Marchand