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 A818D46DF8; Thu, 28 Aug 2025 16:55:15 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 8C1894025A; Thu, 28 Aug 2025 16:55:15 +0200 (CEST) Received: from mail-wr1-f45.google.com (mail-wr1-f45.google.com [209.85.221.45]) by mails.dpdk.org (Postfix) with ESMTP id B526F400D6 for ; Thu, 28 Aug 2025 16:55:13 +0200 (CEST) Received: by mail-wr1-f45.google.com with SMTP id ffacd0b85a97d-3c68ac7e238so522861f8f.1 for ; Thu, 28 Aug 2025 07:55:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=6wind.com; s=google; t=1756392913; x=1756997713; darn=dpdk.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=fMtMN8zMMi3jaVIONpn6Kr95DCWc8wPqwihVZ01JuIo=; b=EDwD4VLM7GFnTy9l+aiHD8B+gDpL0FNVJGMz94biyBjvxUzLzNEBGKdVgoiWN6676w XhVPryWOzO50cLp94bqJVfq2CuQGirC5lfd/l9XS81/WzVm+LJomEXopdAL9VdAo776S /LmKA49iRbTKGH/ZmMLAjzqrrx5HdohfmiN3buVC4A0hIZV4rl9qcsNj23RwpvT2P0jO IXtiZvUdYakdMwP/f3goFUqGUSkBunlbHZLtBhw9mhQl5ZE7kn8/jU8ADU3G3vbZaxED 7GE55R0ZJHSzVC3ZOGXWMLgXqLMnmLcmJRWUu0z5rb71T87lpSUpWA8pzXF+jorZv+Gh OhXA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756392913; x=1756997713; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=fMtMN8zMMi3jaVIONpn6Kr95DCWc8wPqwihVZ01JuIo=; b=Jje6KuD3QgywHYZuwMKGqHQERqDHQ35lBOrrbbCfPq57bKbJ9S8LKsZe0aJU0ErvQ0 Dk3qUZXoI45jzLR4q16J1yC1qNyLiSLJnTXIFUQbXmIa/uare5mo9TzHtBScC6BVOn1O fqifeh4SqGuXmjQqskCVwCO/ctEVReqJwOLGptKD7gZLyvU0Fur6UhCNcpHwIsdYiKDc 2NtnpTNdsCUOmHGpOsFC5NttHML4ctuOcUx4bpN03vXdnmMyUtsNtw1i/toQa//eDv2L boYsAdVVa+e36F4coPYaNrkmQ8e2foBB4rWWlJdnEyqYi49B94Y/gJ+Zzoyc4ceQ2SYN oLqQ== X-Gm-Message-State: AOJu0YyY/LEqsXB1DxnJWYrBPD2GZ6i5X4FioJNfmj+Ej7IMcKsXB/Xp djS/GM9gUmtVku0570zdGDx4OPFWv8y+SEhvsCfZTnwlWNxQcvLaC8ODisIiePqe+g== X-Gm-Gg: ASbGnctIPppRF5ufJpu+D4kn7JNv4b6cM26pu6UqJzG1hPIBeulr8rC+tJ0WisKQoC8 tKjl49Wf/n5wEDAb4jyTipmZC+QRkutu6/nKJvhItDuM+eEjEuCMhXu4IagBP8UpW1bo3maQhi/ GVg4giuuhX7pH8mUHoV2ISaz6BOiJXjrsXasBHHahx/K2Gdwn3CLiFVYAv0IpaWgVTSckAYePoo t0gV61pNlBaS1mgdiPllpTvqXoGe9BYMzS1PS3fYVtadKIlAL0+W1zrL27U3kZR2PwMad0jQa9P lAQ1QmXHolVa2XxzVHPJH1kxZZ9U49EpGu/lmbOkQGY4qT7ilxcewaN1ZHnUgvhc+H+kBhs4PK7 90AalkEGslZtwdMLzQyT5e4su9mssgQKgQk9z08Wz2hzGVkggvP3Fe/uSoUE= X-Google-Smtp-Source: AGHT+IG6N9AbaByy5CZpdkwxw+wp7C6RGOihU1Hz+3l+6rYVxjhRRq1QYdihmBmU4l4MjEfMzoSXoQ== X-Received: by 2002:a05:6000:2f83:b0:3b5:dd38:3523 with SMTP id ffacd0b85a97d-3c5db8aa9b9mr15694098f8f.8.1756392913179; Thu, 28 Aug 2025 07:55:13 -0700 (PDT) Received: from [10.17.1.39] ([185.13.181.2]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3cbc6a5da6dsm10678094f8f.63.2025.08.28.07.55.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 28 Aug 2025 07:55:12 -0700 (PDT) Message-ID: Date: Thu, 28 Aug 2025 16:55:11 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RESEND] net/qede: workaround for operation in Ubuntu-24.04 To: Stephen Hemminger Cc: dev@dpdk.org, Olivier Matz , dsinghrawat@marvell.com, palok@marvell.com, jerinj@marvell.com, Laurent Hardy , Edwin Brossette References: <3bbf5e67-8acd-47f1-90ea-405f62cbbc4c@6wind.com> <20250828075135.77381013@hermes.local> Content-Language: en-US From: Thierry Herbelot In-Reply-To: <20250828075135.77381013@hermes.local> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On 8/28/25 16:51, Stephen Hemminger wrote: > On Thu, 28 Aug 2025 10:09:35 +0200 > Thierry Herbelot wrote: > >> Hello, >> >> [resend because the original diff was for the 24.11 branch] >> >> qede stopped working with recent distributions, as explained in this bug >> report: >> https://bugs.dpdk.org/show_bug.cgi?id=1379 >> >> For reference, one workaround is to disable all optimizations when >> compiling the qede PMD with gcc-13, as seen in main branch: > > > Using O0 is pretty drastic and can have bad performance and doing it for > every distro will cause performance drop. Hello Stephen I absolutely agree: -O0 brings a big performance drop. I am investigating if the qede PMD compiled with -O1 or -O2 optimization levels and gcc-13 is still working. Regards Thierry > > All patches must have Signed-off-by, so this patch will be dropped. -- Thierry Herbelot