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 202DD3D388; Mon, 22 Jan 2024 14:03:59 +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=1705932240; cv=none; b=nZtjgkxnRMqcsfLeBOsv+54B+RcZ5vaYO+PhxnuecdCD51PU/yh/sCwQ7/94YfTCW1GzEQwQqgIs55dbrXwsI9jGIP+MTIU9VNKgs6L4xvNRz7PtfZzj/vyPrLDMppF1Fa1SqwvhX2WMJSEOQBzMbqhBTqnvdpNESDuPzo7PBzo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705932240; c=relaxed/simple; bh=uB+xAUnhOKylzIpbYFxEwD5Rje9Cwg6aWG5W9GJI7Cs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=irxmVM/1IGY1lHemNmiesYhhfm/1XjBzQZfWO3gdr47LTq8MzrgB5w2IS0NsXmJoVxywI1VR/G2Md+R/vDNarhz6gdt6owkosCIoGCpZhA3nay1eQIDZz69NhoyFBkA9DZuS8Cu/izaO9scs0jCPzhuFcVsv4nN/P5izMXC0jmU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CzEHrh1l; 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="CzEHrh1l" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8ADDCC433F1; Mon, 22 Jan 2024 14:03:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1705932239; bh=uB+xAUnhOKylzIpbYFxEwD5Rje9Cwg6aWG5W9GJI7Cs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=CzEHrh1lPdFqtVb9l+WgSxQUnjB7Aw6g1D1N9dKatukMp6j8UbcCiZDJsth8RLU/u G73PtI+HjAQsBN7eW9AjxM+QyiGiD35Ny449HnyBltZc6FV4QIZcVS5KH6vWWl3W6x gyAIh8znB+E3vF6UJlPPFq0gaaITQd7E8zmf40EjDv3RVrYoCpgnj5hewia4Huh/t7 9U34BJhmnQsdGnAfs3p6MAycc/3hGrbTpInJ6fMxHf8qGTAD15XtYqdBQmBi1Pu+9d 106XbGZ4nC7sxWHW8XeBmfVSIkVspsAlJzztUKOUJR71KjL5GWu21GeR0yF7xL78U1 MgwwAVdSWfBwg== Received: from johan by xi.lan with local (Exim 4.97.1) (envelope-from ) id 1rRuuJ-000000008K2-1TOS; Mon, 22 Jan 2024 15:04:11 +0100 Date: Mon, 22 Jan 2024 15:04:11 +0100 From: Johan Hovold To: Kalle Valo Cc: Johan Hovold , Jeff Johnson , ath11k@lists.infradead.org, linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: ath11k: checking RCU usage Message-ID: References: <20231019153115.26401-1-johan+linaro@kernel.org> <87o7goxget.fsf@kernel.org> <87zfx98r6a.fsf_-_@kernel.org> 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: On Mon, Jan 22, 2024 at 02:10:17PM +0100, Johan Hovold wrote: > On Sat, Jan 13, 2024 at 12:26:53PM +0200, Kalle Valo wrote: > > I just found out that sparse has __must_hold(): > > > > https://lore.kernel.org/linux-wireless/87sf31hhfp.fsf@kernel.org/ > > > > That looks promising, should we start using that in ath11k and ath12k to > > check our RCU usage? > > I see that Johannes already commented on this in the thread above. > > I'm pretty sure smatch can't be used for this. I meant "sparse"... Johan