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 CFFF42DCBF8 for ; Tue, 22 Jul 2025 10:19:47 +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=1753179587; cv=none; b=DzxTGnP6giYXFhMvWMRBEWjDccjnnV6wIJJOAr8BZ1guE+pZ8LF3s8BkzVQqxkywLlMgFOzRNz8CSOU9q4B+4maPRvGdinpnK7zy2UT8m8rS4shLxQFpOSYVfv8m6RVcI0BMa1OF9UohtaryhJZHEzttK+hWnaUpxA7kWmO0p/4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753179587; c=relaxed/simple; bh=uLEMnNuoinmcnvFghjFSR8yAkndmKOfhxLRxs3OWMhY=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=KzFcuCF+YbkY1NRYxeGNJEPLSeea2Owi62PobCLHcJPgz315alrYiDbk1W37ICxkl5n+QLZFUJaGGOzbECwPgwhC9DdcvdF8SyDutjONw8OcSJiZO9kwO//G6pnutEvOeiXDbyFkMdxGOe3Z3Nm5TXk4u4lLIrsoTcvSa8/9rs4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=tJzqA3lM; 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="tJzqA3lM" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9AB8FC4CEF4; Tue, 22 Jul 2025 10:19:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753179587; bh=uLEMnNuoinmcnvFghjFSR8yAkndmKOfhxLRxs3OWMhY=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=tJzqA3lMKdSGXWlv7h3J7fULDRCOmtE1QRwdy2sksbgmRbXhGhjhc4k2FIUUcVZYj dup0M5DnIS86cEeTgFxhLHnutxlkm2yJdaR8jRU1rwYqB2FmsyhGUPg6MfV33JikPC dMVDbiyKLmoIDwydhfL44XXydPqbipPkJvRegt2xeApY+7HjyZaYUNdYzQ71msvnhI pbz91X5nPzStx2dmox7R4I4LFC0TN0HDEOvVDMcU3egzXLq9AQeWBnrGNqH8fd9OmE gXQZNi8+mPl14o86IGzqJDWlaZvYExQbigPL+IJGMtMlmUqLv3eXdkFdNGXvnh4rD5 mqPglBYri96nw== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 70CEC383BF5D; Tue, 22 Jul 2025 10:20:07 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH v1] net/sched: sch_qfq: Avoid triggering might_sleep in atomic context in qfq_delete_class From: patchwork-bot+netdevbpf@kernel.org Message-Id: <175317960626.748884.2193607550680698831.git-patchwork-notify@kernel.org> Date: Tue, 22 Jul 2025 10:20:06 +0000 References: <20250717230128.159766-1-xmei5@asu.edu> In-Reply-To: <20250717230128.159766-1-xmei5@asu.edu> To: Xiang Mei Cc: dan.carpenter@linaro.org, xiyou.wangcong@gmail.com, netdev@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by Paolo Abeni : On Thu, 17 Jul 2025 16:01:28 -0700 you wrote: > might_sleep could be trigger in the atomic context in qfq_delete_class. > > qfq_destroy_class was moved into atomic context locked > by sch_tree_lock to avoid a race condition bug on > qfq_aggregate. However, might_sleep could be triggered by > qfq_destroy_class, which introduced sleeping in atomic context (path: > qfq_destroy_class->qdisc_put->__qdisc_destroy->lockdep_unregister_key > ->might_sleep). > > [...] Here is the summary with links: - [v1] net/sched: sch_qfq: Avoid triggering might_sleep in atomic context in qfq_delete_class https://git.kernel.org/netdev/net/c/cf074eca0065 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html