From patchwork Thu Apr 25 14:18:31 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frederic Weisbecker X-Patchwork-Id: 13643436 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 D346A14A4E9; Thu, 25 Apr 2024 14:18:40 +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=1714054721; cv=none; b=OR1ukkqrHiVG2VxIWe77b+x58jZAZEByryeWtieoBRgKDXEPjEYweGRbxiR5XASOZPG3ebKfggeTblw0n8Gd33mh8bKg8AfN9rcXfRk3IFiJKftoSw4IrVWuma+zduTevMIvkj6OsLGKgAimhzVbTMZt+HCGtFFI3qnEqo8PZ8s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714054721; c=relaxed/simple; bh=3+LCJrMTpWDrAfVC9Nynshec8qYyFcNJbRtXFVSsUqI=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=KsgrE9QfHdNLcuqvf94BpDcIPq1f52Uo3PG7anWbC7bxbnbmKShK7Stf7p92dFvFqQkAcsXQB2vO2vi1zN2MSUeVqJPvauY+61ETsxof4v4/G8EWOOrTn3Lu7N1aUpoErEli/g8F4jnuKp9kWrD61u1WpIwplPfgosaZ2/7V12c= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=rQkaEg9w; 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="rQkaEg9w" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 92E66C113CE; Thu, 25 Apr 2024 14:18:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1714054720; bh=3+LCJrMTpWDrAfVC9Nynshec8qYyFcNJbRtXFVSsUqI=; h=From:To:Cc:Subject:Date:From; b=rQkaEg9wljfOzgf7HMGzIH+D+1/lPYVuBL9OlRBPqhUvmZU1ULHq/3DgMGSP8gFFh F/kwBs+W8wQKfibL4WKRaNKqnLLbN5yAXEiyixVpzCGoZIYZkY+r+laqWixXrANOYw 7WGPGGDTosJZ2uRuIv7Nxtz4E0cIZPC7DrxibjOrHxi1IIAiC5pYOG+l3c4QXqbHns zainW7gc+92YWgqaX2QBnRFd4qzFsoiVbJWZexLVAZLqMm1NPguFBJABddMnG7Ymvm nJntYl3MYsRKazALbCGRnHuOJ/DcipLZI9m6B6exjNNdzSQvv6IEpcMNkZcOy/jxPa IP6veMuwUg0/Q== From: Frederic Weisbecker To: LKML Cc: Frederic Weisbecker , "Paul E. McKenney" , Boqun Feng , Joel Fernandes , Neeraj Upadhyay , Uladzislau Rezki , Zqiang , rcu Subject: [PATCH 0/4] rcu/nocb cleanups Date: Thu, 25 Apr 2024 16:18:31 +0200 Message-ID: <20240425141835.19776-1-frederic@kernel.org> X-Mailer: git-send-email 2.44.0 Precedence: bulk X-Mailing-List: rcu@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Hi, Some cleanups before converting (de-)offloading to only work on offline CPUs. Frederic Weisbecker (4): rcu/nocb: Fix segcblist state machine comments about bypass rcu/nocb: Fix segcblist state machine stale comments about timers rcu/nocb: Use kthread parking instead of ad-hoc implementation rcu/nocb: Remove buggy bypass lock contention mitigation include/linux/rcu_segcblist.h | 88 +++++++++----------- kernel/rcu/tree.h | 1 - kernel/rcu/tree_nocb.h | 149 ++++++++++------------------------ 3 files changed, 79 insertions(+), 159 deletions(-)