From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3F1E033C53A; Mon, 17 Nov 2025 20:23:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763411023; cv=none; b=B41fFlzZ44Ik4+NYAEvbJYR8jB/oHjqaINo7Xw8flmpzHJ2bdbAMVxWWD1BDp780fDpLNJJwhI0taTzzHGxiOCUG7tCcY83NWs6KVqwHkzQoVsaNmaPVun81PvfB6U+eZPCGzP0t3/ncsu/axNkYUUJ+UMWWw3jqY8b/ognnjm8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763411023; c=relaxed/simple; bh=c7lA379kZrf3rirR1LfTH1L62mSsl8NaKmrCfzf+ebg=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=s1h6nt9yOOYoCDN4Gd1fb+GnD7yjqC5uMhwg/WV3CZ6UX5HboTWzvz23fwyujiXovCnNkmVUTFXSv+Se6oo99u+2HTg6rFHdAkkFU3Ezk9spin5mvio1uEP/YMHX4dmNxOc94wAnMp+tGpzsP96cu/d1nJQIL2crr/tw6U+Bx+I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mEM/MhfP; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="mEM/MhfP" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 355AFC2BCB1; Mon, 17 Nov 2025 20:23:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763411021; bh=c7lA379kZrf3rirR1LfTH1L62mSsl8NaKmrCfzf+ebg=; h=From:To:Cc:Subject:Date:From; b=mEM/MhfPos9Ybgz7VVf/E+lzAJ2UOTRzAkWHhwVBVb8HiHTBfH80wdrvy9g+edz47 0wtm99bfpPUFE3zz2eZsRvxGsS/L9y5iCXHe6Fmzh3j4aayxAJi873Ahw3ByiOUS3J cnsFyk7txD1dlQxyLyl2iKvtXFu68ZroOeOzW+8CYRulbD7LnA82F83xWwCQXDYgK8 +SqTzcwsudNujr3MHoyj0aOmd3bwEAxqjVJ+yNkKJDSE0+HB0+vVqYbeFN5QJObMgg vY//tRxMQORMFs6xs5DOfyj0Rc9COz43J3IMssH/SFmIi8+lgDNsLkeE46gku7oWa9 KaM8t+ay/zFRw== From: Allison Henderson To: netdev@vger.kernel.org Cc: achender@kernel.org, pabeni@redhat.com, edumazet@google.com, rds-devel@oss.oracle.com, kuba@kernel.org, horms@kernel.org, linux-rdma@vger.kernel.org Subject: [PATCH net-next v2 0/2] net/rds: RDS-TCP bug fix collection, subset 1: Work queue scalability Date: Mon, 17 Nov 2025 13:23:36 -0700 Message-ID: <20251117202338.324838-1-achender@kernel.org> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Allison Henderson Hi all, This is subset 1 of the RDS-TCP bug fix collection series I posted last week. The greater series aims to correct multiple rds-tcp bugs that can cause dropped or out of sequence messages. The set was starting to get a bit large, so I've broken it down into smaller sets to make reviews more manageable. In this subset, we focus on work queue scalability. Messages queues are refactored to operate in parallel across multiple connections, which improves response times and avoids timeouts. The entire set can be viewed in the rfc here: https://lore.kernel.org/netdev/20251022191715.157755-1-achender@kernel.org/ Questions, comments, flames appreciated! Thanks! Allison Change Log: rfc->v1 - Fixed lkp warnings and white space cleanup - Split out the workqueue changes as a subset v1->v2 [PATCH 1/2] net/rds: Add per cp work queue - Checkpatch nits [PATCH 2/2] net/rds: Give each connection its own workqueue - Checkpatch nits - Updated commit message with workqueue overhead accounting Allison Henderson (2): net/rds: Add per cp work queue net/rds: Give each connection its own workqueue net/rds/connection.c | 16 ++++++++++++++-- net/rds/ib_recv.c | 2 +- net/rds/ib_send.c | 2 +- net/rds/rds.h | 1 + net/rds/send.c | 9 +++++---- net/rds/tcp_recv.c | 2 +- net/rds/tcp_send.c | 2 +- net/rds/threads.c | 16 ++++++++-------- 8 files changed, 32 insertions(+), 18 deletions(-) -- 2.43.0