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 B139B461B2 for ; Fri, 7 Feb 2025 02:23:04 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id A2D1C40EE2; Fri, 7 Feb 2025 02:23:04 +0100 (CET) Received: from mail-pl1-f182.google.com (mail-pl1-f182.google.com [209.85.214.182]) by mails.dpdk.org (Postfix) with ESMTP id C7721402A7 for ; Fri, 7 Feb 2025 02:23:01 +0100 (CET) Received: by mail-pl1-f182.google.com with SMTP id d9443c01a7336-2166651f752so33866785ad.3 for ; Thu, 06 Feb 2025 17:23:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1738891381; x=1739496181; darn=dpdk.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=1q2D/wsl6nt5vv2pTOfDxMsPFqf4QB3Z6VpGvo2vCQE=; b=bLYsj4mfqqwUs0uXq93E3dpk96m3tF85FTKYbqRY68O2yNbDWdqLClVfg02J3kG544 0++xAY5Bh3NSXr1Sdmm+zNjvfeLApgj5OlcaYlUpCyNuKdPTfg30pY0m9d/Iaho4kF2W ccoewysesfQZqmuaJwDOZD/nzcmY8TM4QIbR3yh/i94vrj0qrS4tLx62SEAd35waUYEB iym6T5gjwrK1O/qGiGQC09AA8JbwnqRZk7SPNEcoi7c7PynDxYqSPMi8L5yskk7AMwIv HDyoFZto6vF2tlAJPoVzeiWyJ4qf5gIJ8/CooPxTmqJqSAX3K89byGzR+lZqXQwraMOP RtNg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738891381; x=1739496181; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=1q2D/wsl6nt5vv2pTOfDxMsPFqf4QB3Z6VpGvo2vCQE=; b=vgukc+RsIilow+QTywRHqYzKVlLiW38CvyHJ6aVxV4fMozx5eheKpPYAb8ZrT3wfTA SLg0JCkQ8f5z2m9qlb91fKOSZj/SoCiGsM2mF+qRvD+JKPf0TdxLFDbCAoX3v247jYzo ke5eoRJyx0vX+cojo8vj+niyui0U8xB6vdY8uqL4qDn8Egof/cISOVeT89S37bTdCRT/ dEevE3owpJgdscW4a50E9cwWQecfe9ZF5zz6aJYouIT/FQBb23qicRC7K9LFnD4IAH3o CmDwgj28xWengQkzRiC1EuLxbMAXJSu9aOSLow6AzLkLLsqc362A9N2qwPaS1OLh83fC lg3w== X-Forwarded-Encrypted: i=1; AJvYcCVwRE/Y9sLn5PKiMJlYjgFV8cNgPTYFO3eokAHp3sN5ajZc/7P+GAwP0OqlOpwl/mTa6We1mjs=@dpdk.org X-Gm-Message-State: AOJu0YwD+0pYG3r4KnUItBczwN/g/j9AIhHZU2RmtHqLEKwApXKTmaG6 UOQWzMqXPhdeQ+m+bnCVdbKzikMjX5jNuLpXAuY1IupVrAb5KMeOkFZTNGkNPL0= X-Gm-Gg: ASbGncslHchq8nmnwDt/f2XP/QUt7kcAWGGnNFwl5cN0UQzgRvSLcIjEoIoJdA8orX0 cF1woOejxQG13wFEKDQkeel+NmFSllwX69rxfGWNLdk5Mqq8BxDo5n88m48Uw3zjY4jPZjOt40r ngy77RJUgk58EvZVh/pm7wNGGuGR6A3qxzLLkl6VL+GDTDUYmndj7GcnWbTpCWMFfpF8GbaX0Tf zDxLPM7vxrxktAMyUiUTaRL1ehK35d0V1xeE8dg2qRXguUD8bd6uJCDrWVx8MRgrsPQpMedMwO2 8UoMB6qOtm/U4ysVtGTXRqOstLf365QjQfsIi5XAmBiIYnyCdhKwCjxq7pSj+xwwQbpM X-Google-Smtp-Source: AGHT+IGKk82OyiZ8IZEagroHXcADadLIZGeV1lObIc5ypuPcmmhhx5FYmpECjIp+Q1JSWuTELPB78Q== X-Received: by 2002:a17:903:2311:b0:21f:3e2d:7d50 with SMTP id d9443c01a7336-21f4e6a0110mr20863015ad.8.1738891380736; Thu, 06 Feb 2025 17:23:00 -0800 (PST) Received: from hermes.local (204-195-96-226.wavecable.com. [204.195.96.226]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-21f3687df02sm19319855ad.208.2025.02.06.17.23.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Feb 2025 17:23:00 -0800 (PST) Date: Thu, 6 Feb 2025 17:22:58 -0800 From: Stephen Hemminger To: Wei Hu Cc: dev@dpdk.org, ferruh.yigit@amd.com, andrew.rybchenko@oktetlabs.ru, Long Li , stable@dpdk.org Subject: Re: [PATCH 1/1] net/mana: do not ring short doorbell for every mbuf allocation Message-ID: <20250206172258.20ca9bf3@hermes.local> In-Reply-To: <20250206100744.734612-1-weh@microsoft.com> References: <20250206100744.734612-1-weh@microsoft.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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 Thu, 6 Feb 2025 02:07:43 -0800 Wei Hu wrote: > In the 32bit rx path, it rings short doorbell after receiving > one packet and alocating the new mbuf. This significantly > impacets the rx performance. Fix this problem by ringing the > short doorbell in batch. > > Fixes: eeb37809601b ("net/mana: use bulk mbuf allocation for Rx WQEs") > Cc: stable@dpdk.org > > Signed-off-by: Wei Hu Applied to next-net with spelling fixes to the commit message.