From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ej1-f48.google.com (mail-ej1-f48.google.com [209.85.218.48]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 35B4B14A62A for ; Thu, 9 May 2024 13:33:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.48 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715261596; cv=none; b=EZySKcrLUzEyu0WrQZUebyKRxqeMcuae2MJzVfcNlZ5ais+MMf5ldG6jqCqTr9Zj6yWz13lJn6QfMHnEcVOxtN7F9wFYTTPSOlCYJQs1lIAcSIHnKGYiL/c+uMPmcf62a5/SndD+xzIIc9193epk1O8P4K5T+C4wGQDlxPW+0jQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715261596; c=relaxed/simple; bh=yW4/8AJULUNNk+ruSXFX821aWYkFjPWrJpItbCfXUzg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=K4zdLaeFhJbjMcYsZ0+Ow1zXDq4MlU0+cqOvdyNRc4ZkZpszLjjlkWhyfyhdjtJxvA/UdL1aatyglyxLND88Vk0CYbkX7RZ/IMR/W7+xI5lFObU32PyG/pb6K82IvX74AhiFwvqqjgirg7om3SAW9WH965NqJ5dARnAqBiTDHrE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=HfzGkExN; arc=none smtp.client-ip=209.85.218.48 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="HfzGkExN" Received: by mail-ej1-f48.google.com with SMTP id a640c23a62f3a-a59c5c9c6aeso217276166b.2 for ; Thu, 09 May 2024 06:33:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1715261593; x=1715866393; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=lzazCux0S+tRRPtkB85kvGu4bpBvnpgsVg9tAd8QnZQ=; b=HfzGkExNv3D7tS6WA4rYICAt6nUv6UUAjFzvEK8Knf62dd0yqyiLO9UIUENFYYrJrB Nuc1w0N9zyy5DtTy53g9Y9pyegxqHerUg7bCPhC8Ls+37HwCRXVmYwbFgBGMGT3CQ2cp M/U39l06ciZWBi/r0TwELbLDGQYEHiK8yxUrOAnQGby2VjoLALnn2ITk9t8JqolK1t3U zRKLf6gL1bMWFEycAdjv86Bl4KcWQzlnyogB9103aIjDbfSVoX+HFYHbWRlFegPU/b1H LfgdIphEeL4rOTYiVLDGz3SDefw3h9kyFUW4+eKyBuF+wgqg6iwckX4YK5PBPrYC4X5P jkfA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1715261593; x=1715866393; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=lzazCux0S+tRRPtkB85kvGu4bpBvnpgsVg9tAd8QnZQ=; b=pGZFAPkpFUfJOYTfexdZNWV6UxXdcfrRiYV4B1uBP+xS8BrKD2+1n/KxF3GVt8F0Sx zlj0Yu3NjETkrG97VPWhxKtDk1pDAB4SrW+ziNuEYEDwcgipFq+9EHxxqeaGtLxZHq2v EVOEeyAtUfKvvnZKPPNvAPHQ0y6TlG97o7smC6tV7ecNeXCt6hltcyPZcT2N7lKPuP1e 8QmphxlER63MS31jFoIxwuYite6FIzKcKonUhIiDXZoI30yqdKmmrvft8rVG+sKiZZE+ Pszhiy19AUoLq8XxxWec3jOwAukSJYs38uiNyi3TMNu+WnZSpf/TynKNW6kb3CXeILbR vAqg== X-Gm-Message-State: AOJu0YzxdMH2yG6oyufetEbmKNpyFzHCpq6jo223a5shkCRzSM4Vq+N4 tTfr94nExKMfO7W+JWzF0F4uJ6hy07npmljSvujMClehT9PWmPz6g5x/SpucKaN0GFeqcqy/JQD E X-Google-Smtp-Source: AGHT+IFENIkDZGg8UsXbzWDnpe3oEn3lTZc2Jp+9esjUznuy21c4U2I3S0uEvTjuANW5/8fpb+VbYQ== X-Received: by 2002:a17:906:ad6:b0:a58:ea85:9114 with SMTP id a640c23a62f3a-a59fb9d959fmr379910066b.50.1715261593295; Thu, 09 May 2024 06:33:13 -0700 (PDT) Received: from localhost ([102.222.70.76]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a5a1781d6bfsm74962066b.31.2024.05.09.06.33.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 May 2024 06:33:13 -0700 (PDT) Date: Thu, 9 May 2024 16:33:09 +0300 From: Dan Carpenter To: alexis.lothore@bootlin.com Cc: linux-wireless@vger.kernel.org Subject: Re: [bug report] wifi: wilc1000: convert list management to RCU Message-ID: References: <3b46ec7c-baee-49fd-b760-3bc12fb12eaf@moroto.mountain> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3b46ec7c-baee-49fd-b760-3bc12fb12eaf@moroto.mountain> A related warning is: drivers/net/wireless/microchip/wilc1000/wlan.c:237 wilc_wlan_txq_filter_dup_tcp_ack() warn: sleeping in atomic context drivers/net/wireless/microchip/wilc1000/wlan.c 726 rcu_read_lock(); ^^^^^^^^^^^^^^^ Disables preemption. 727 wilc_for_each_vif(wilc, vif) 728 wilc_wlan_txq_filter_dup_tcp_ack(vif->ndev); ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sleeps. 729 rcu_read_unlock(); regards, dan carpenter