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 296141A3155; Fri, 11 Jul 2025 04:12:00 +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=1752207121; cv=none; b=fbgl43W1auysSZDhE4Sd/IxBudlZPaQWRhPG3GGIlghCvh02nXJnEVUrK6AIH1iyYEu1gNMGVqRVCLidCt5dTLQsedYigQdnn3PONFi8PRE+KWMCVffkfJjce6JqIWXf6QaGWg9ArQu/BKEcR4NyerLd+k+xLARtvDl2nxkqHdw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752207121; c=relaxed/simple; bh=KuLnRKLGioWUQByLwtaHFKMHDwatqsfOvmbgjMqtctA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=dgyhcRNNsalIfuuEY3Samqbx2xFRuxdE+5m+PPLB1W+EcYEHJejbhZ/UaJhF7RON8cEM1wOd+nYqUACkOtzJmcP44VtiQ3uLTfWD2SdficAvw1BtyQKseE8XrGe1wPEMpR6gKsFw7qCY5pPRBO85Gr88NUACAt8hUWyWGPZBqH8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KkRBkV/9; 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="KkRBkV/9" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7DA3AC4CEEF; Fri, 11 Jul 2025 04:11:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1752207120; bh=KuLnRKLGioWUQByLwtaHFKMHDwatqsfOvmbgjMqtctA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=KkRBkV/9HmId+PjSORfEv/uoK2D4l2gtUmhgmle5/A7werYDLF/exW3HN9yO4c3Aj eSTu7tfG9/ROGOQcQXR/nF+qWS2POdJocC1kBZcKwDgU1O/809S9pTiHw73deSO1uY jhbIXhsSE0OYg6VKelI9BlMSdXnL/tvR6z69KXbqefFMCJxTL7PdwnWoKriBWa/nWf FjQiv30MYaw0CAxbDWKr44jkTqEut/C00jinBGSoIWYZENOpZ0N/l57bI4ERHZUQxi 1H04fhr5HfgzDM5OMMtopK8NqrC8291BGwAeJpRUx8kwzq8kjUfQJWEE14cIgAhhLN jVBKcXhRHHa0w== Date: Fri, 11 Jul 2025 04:11:57 +0000 From: Tzung-Bi Shih To: Radu Vele Cc: Benson Leung , Abhishek Pandit-Subedi , Jameson Thies , Andrei Kuchynski , chrome-platform@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 2/2] platform/chrome: cros_ec_typec: Add lock per-port Message-ID: References: <20250711003502.857536-1-raduvele@google.com> <20250711003502.857536-2-raduvele@google.com> Precedence: bulk X-Mailing-List: linux-kernel@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: <20250711003502.857536-2-raduvele@google.com> On Fri, Jul 11, 2025 at 12:35:02AM +0000, Radu Vele wrote: > Add a lock associated to each port to protect port data against > concurrent access. Concurrency may result from sysfs commands > and ec events. I realized the critical sections are way too large. What exactly data the lock tries to protect? Is the race possibility introduced by any previous commits? Please provide more context.