From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 6265D17584 for ; Fri, 16 Feb 2024 07:11:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708067485; cv=none; b=Zb17pZvt2YMTSOIG+SHa3XmQSiOd6xtzKqPNI/QYiD+jBxfIQ1xjfocYVZkn0g7fQtnuWOOV8kSyYtq04v859qA2xtlHA1J7giWzdqeAKN9HvAPh4vC8QThsy/4EMHQw8X6vejNngtsjVQldjNVCQXIIM3rhRdtgDUaGJr3HYkg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708067485; c=relaxed/simple; bh=pEXMrSDrMB2L14Hnzc+QPz99BJ3W/txQLDNNz0xomEk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=eQ396BEu1oqZpp5wuGkd1iXyLEyAtkIPwZVLo8Ioq7XdymCkRG5ud1BsrgJ+N3chQ7TqwzrgG2bLlbJeEBvmU0vYlTlqXKN9Q6oROF3hrVzhs/ZfooSfSX0HLYHsHr7uKVXR40TbJ6E+hTWAF8xC5N2cJkq6kyr3sKPnNIz/nUU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=tjpHtGnM; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="tjpHtGnM" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=pEXMrSDrMB2L14Hnzc+QPz99BJ3W/txQLDNNz0xomEk=; b=tjpHtGnMOozEhaViR/mQ+feFTl 5KLaIF7X9e/NtMinH/c0UZe1q5RywLgIv0Dj9HJk/u3US+/EAUPzBCJQVSBvs+woNlwp0I16E75Ud gmBY8L8U6hBlVNZRu1N+4CK+PiylsjR0TV558PUuhNgcy6UrBx+c4BCwdurGQsr01MqMQTj/ySmBM LDNWp0crJvkWDPczXAFl9EROdkZJ+hmbCRgRnpGJfYXFhZs0mMDtDI24opKx/cvM1lGGzm4cRTRRk atUPSfAHFSbXXekFeb2k6x7gPml+03j9CHCWSHxLa2oV9ClNuvjS4qMiWiuku8KCgf9DeFEz6ct9I ThJjFN3g==; Received: from hch by bombadil.infradead.org with local (Exim 4.97.1 #2 (Red Hat Linux)) id 1rasNR-00000001L5S-15i1; Fri, 16 Feb 2024 07:11:17 +0000 Date: Thu, 15 Feb 2024 23:11:17 -0800 From: Christoph Hellwig To: Kent Overstreet Cc: Andrew Morton , Christoph Hellwig , linux-kernel@vger.kernel.org, fuyuanli Subject: Re: [PATCH] kernel/hung_task.c: export sysctl_hung_task_timeout_secs Message-ID: References: <20240209070935.1529844-1-kent.overstreet@linux.dev> <20240215105509.b7b3c87c24ed35cdfb111f34@linux-foundation.org> 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: X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html On Thu, Feb 15, 2024 at 06:26:59PM -0500, Kent Overstreet wrote: > There's a few places in the block layer that are using the sysctl value; > those will be easy to fix. There's definitely more places abusing > TASK_INTERRUPTIBLE, but aside from the ones in my code I can't think of > a way to search for them. I think any kthread that is woken using wake_up_process or a wait queue is a good candidate.