From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-179.mta0.migadu.com (out-179.mta0.migadu.com [91.218.175.179]) (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 D6FCE309F01 for ; Wed, 1 Oct 2025 15:03:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.179 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759331032; cv=none; b=cxc/wWh6vktT7eTxF5avI3LW2VIMKvwXSau0CIS9TukXufCPhmrJmvejeskWXxsm2JuFHe708OwMgMVrZ6+gqrHLNtoYzpi6e8crm3iqiuiUKbXOV/TvcQjfXXKFI93GMMWahimv3IW9Pk0xaGF8UcoGSJIidK7uWkVaNDwVzFU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759331032; c=relaxed/simple; bh=vAyHGQf9eHCuMFSYsKuW673XnzwqpO+E02CQjn8sdbQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=mmhKggttpv0Kai0oWVSivCOLdEaSbuVQ7VGnQbk6Iu8UgwM1Mu3VlPesHPmd2dpkEi+sNz/NmXe50ysR6riMadTzKom6YCNB2zgLifXWbD/5qYc8gx+n9E4cLHTfXZo4N+XzWlQWRTFgGvrxLv7kG9/GiTWh3ERmC7H5cEXcd8Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=nY4I8eVU; arc=none smtp.client-ip=91.218.175.179 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="nY4I8eVU" Message-ID: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1759331027; 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=vAyHGQf9eHCuMFSYsKuW673XnzwqpO+E02CQjn8sdbQ=; b=nY4I8eVUBGSnjwB3ltFLey6pYX5nK1TfNSOkM7xACCtS+nmxahCUeQxPQf8EPkzmaNykoG +FhaB5t/wSy4JSNnOzMyG2FaW3xqfyj7O6l6Jd0j74un0+WwRbzcPJKhCfi9F7sJux2Ul3 I8daziE+mVSu3fvxseWss3IQajS5f4A= Date: Wed, 1 Oct 2025 23:03:39 +0800 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH net-next v7 1/3] rculist: Add hlist_nulls_replace_rcu() and hlist_nulls_replace_init_rcu() To: Paolo Abeni , edumazet@google.com, kuniyu@google.com, "Paul E. McKenney" Cc: kerneljasonxing@gmail.com, davem@davemloft.net, kuba@kernel.org, netdev@vger.kernel.org, Xuanqiang Luo , Frederic Weisbecker , Neeraj Upadhyay References: <20250926074033.1548675-1-xuanqiang.luo@linux.dev> <20250926074033.1548675-2-xuanqiang.luo@linux.dev> X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: luoxuanqiang In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT 在 2025/9/30 17:16, Paolo Abeni 写道: > On 9/26/25 9:40 AM, xuanqiang.luo@linux.dev wrote: >> From: Xuanqiang Luo >> >> Add two functions to atomically replace RCU-protected hlist_nulls entries. >> >> Keep using WRITE_ONCE() to assign values to ->next and ->pprev, as >> mentioned in the patch below: >> commit efd04f8a8b45 ("rcu: Use WRITE_ONCE() for assignments to ->next for >> rculist_nulls") >> commit 860c8802ace1 ("rcu: Use WRITE_ONCE() for assignments to ->pprev for >> hlist_nulls") >> >> Signed-off-by: Xuanqiang Luo > This deserves explicit ack from RCU maintainers. > > Since we are finalizing the net-next PR, I suggest to defer this series > to the next cycle, to avoid rushing such request. > > Thanks, > > Paolo > No problem. Thanks for noticing this series of patches! I'll resend them in the next cycle if they get forgotten. Thanks! Xuanqiang