From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-fw-6002.amazon.com (smtp-fw-6002.amazon.com [52.95.49.90]) (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 CD17E1A8419 for ; Fri, 31 Jan 2025 18:51:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=52.95.49.90 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738349488; cv=none; b=sIPQxns+w04cMQ+QciK2YYtwlIkntbNk0W2vpldY94ruiWhhw/egry1D5qFIXhT22Eo7Zt6IlEcYi3XwK77XMnKmgGk/qa+lYU306aHAVvDz7wKW2vN9jRKiX82uP/pfNbfZMtp5n/uBJB+7ffMyg6+tKqDTiFPWw7gMbNzJhO8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738349488; c=relaxed/simple; bh=6FSRkCRsZIaiapma8W3UF8P1w/pcJO9E76x76+vRNcI=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=tQWWdbrZWJZ7OW6JYmGiO26bHy8txm5UQ7G6UADinCRozajreuPqJHWekKHjXX7KwDsYGRDOGCNWj181Rh2Cmx4eELqJIVCl5Awaz0GxNtziL+QvPk3K+MD6YD3O+kh5z8WXbozHw4pk0tw6DQMn1GKq4MJ1l9vMhTyNndpZhRU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com; spf=pass smtp.mailfrom=amazon.co.jp; dkim=pass (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b=BxcPtmiI; arc=none smtp.client-ip=52.95.49.90 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=amazon.co.jp Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b="BxcPtmiI" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1738349487; x=1769885487; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=5wryPyrQqbPtHVu9QE+WuoR/9/DNqNNyGMlaH508Yr4=; b=BxcPtmiIyYVmO8LOtBS2/BbAOUk9vxvH62WQBtuZO+bqE05o/ngHm/ip muBpTB+HuOHmHnzpYF3jwjrAsxP+tvcwva03dLRHEi3o4PiwrlCbgQd7W WNFLts5fWH6oUmBSyJG6BOjDmgx6W8ULUkIEMp0ooDemP4Q+jpVMOKEc9 U=; X-IronPort-AV: E=Sophos;i="6.13,249,1732579200"; d="scan'208";a="468423747" Received: from iad12-co-svc-p1-lb1-vlan3.amazon.com (HELO smtpout.prod.us-west-2.prod.farcaster.email.amazon.dev) ([10.43.8.6]) by smtp-border-fw-6002.iad6.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Jan 2025 18:51:21 +0000 Received: from EX19MTAUWC002.ant.amazon.com [10.0.21.151:28972] by smtpin.naws.us-west-2.prod.farcaster.email.amazon.dev [10.0.14.41:2525] with esmtp (Farcaster) id a4029d5d-5e28-4625-908b-c321be4bf613; Fri, 31 Jan 2025 18:51:19 +0000 (UTC) X-Farcaster-Flow-ID: a4029d5d-5e28-4625-908b-c321be4bf613 Received: from EX19D004ANA001.ant.amazon.com (10.37.240.138) by EX19MTAUWC002.ant.amazon.com (10.250.64.143) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.1258.39; Fri, 31 Jan 2025 18:51:19 +0000 Received: from 6c7e67bfbae3.amazon.com (10.106.101.33) by EX19D004ANA001.ant.amazon.com (10.37.240.138) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.1258.39; Fri, 31 Jan 2025 18:51:16 +0000 From: Kuniyuki Iwashima To: CC: , , , , , , Subject: Re: [PATCH net 04/16] ipv4: use RCU protection in ipv4_default_advmss() Date: Fri, 31 Jan 2025 10:51:06 -0800 Message-ID: <20250131185106.92839-1-kuniyu@amazon.com> X-Mailer: git-send-email 2.39.5 (Apple Git-154) In-Reply-To: <20250131171334.1172661-5-edumazet@google.com> References: <20250131171334.1172661-5-edumazet@google.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: EX19D037UWC003.ant.amazon.com (10.13.139.231) To EX19D004ANA001.ant.amazon.com (10.37.240.138) From: Eric Dumazet Date: Fri, 31 Jan 2025 17:13:22 +0000 > ipv4_default_advmss() must use RCU protection to make > sure the net structure it reads does not disappear. > > Fixes: 2e9589ff809e ("ipv4: Namespaceify min_adv_mss sysctl knob") > Signed-off-by: Eric Dumazet Reviewed-by: Kuniyuki Iwashima