From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.zx2c4.com (lists.zx2c4.com [165.227.139.114]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 640ECCCA47C for ; Wed, 29 Jun 2022 23:30:16 +0000 (UTC) Received: by lists.zx2c4.com (OpenSMTPD) with ESMTP id 16fa6a5a; Wed, 29 Jun 2022 23:10:49 +0000 (UTC) Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lists.zx2c4.com (OpenSMTPD) with ESMTPS id 5e085489 (TLSv1.2:ECDHE-ECDSA-AES256-GCM-SHA384:256:NO) for ; Wed, 29 Jun 2022 16:45:49 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id 38CCD68AA6; Wed, 29 Jun 2022 18:45:44 +0200 (CEST) Date: Wed, 29 Jun 2022 18:45:43 +0200 From: Christoph Hellwig To: "Jason A. Donenfeld" Cc: Christoph Hellwig , Greg Kroah-Hartman , Arve =?iso-8859-1?B?SGr4bm5lduVn?= , Todd Kjos , Martijn Coenen , Joel Fernandes , Christian Brauner , Hridya Valsaraju , Suren Baghdasaryan , Theodore Ts'o , "David S. Miller" , Eric Dumazet , Jakub Kicinski , "Alex Xu (Hello71)" , Paolo Abeni , Rob Herring , "Paul E. McKenney" , Frederic Weisbecker , Neeraj Upadhyay , Josh Triplett , Steven Rostedt , Mathieu Desnoyers , Lai Jiangshan , Shuah Khan , linux-kernel@vger.kernel.org, wireguard@lists.zx2c4.com, netdev@vger.kernel.org, rcu@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH] remove CONFIG_ANDROID Message-ID: <20220629164543.GA25672@lst.de> References: <20220629150102.1582425-1-hch@lst.de> <20220629150102.1582425-2-hch@lst.de> <20220629161020.GA24891@lst.de> <20220629161527.GA24978@lst.de> <20220629163007.GA25279@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) X-Mailman-Approved-At: Wed, 29 Jun 2022 23:10:40 +0000 X-BeenThere: wireguard@lists.zx2c4.com X-Mailman-Version: 2.1.30rc1 Precedence: list List-Id: Development discussion of WireGuard List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: wireguard-bounces@lists.zx2c4.com Sender: "WireGuard" On Wed, Jun 29, 2022 at 06:38:09PM +0200, Jason A. Donenfeld wrote: > On the technical topic, an Android developer friend following this > thread just pointed out to me that Android doesn't use PM_AUTOSLEEP and > just has userspace causing suspend frequently. So by his rough > estimation your patch actually *will* break Android devices. Zoinks. > Maybe he's right, maybe he's not -- I don't know -- but you should > probably look into this if you want this patch to land without breakage. And it will also "break" anyone else doing frequent suspends from userspace, as that behavior is still in no way related to CONFIG_ANDROID.