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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 79EF9C35254 for ; Mon, 17 Feb 2020 10:05:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 58C70208C4 for ; Mon, 17 Feb 2020 10:05:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729111AbgBQKFX (ORCPT ); Mon, 17 Feb 2020 05:05:23 -0500 Received: from mga17.intel.com ([192.55.52.151]:56271 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728833AbgBQKFX (ORCPT ); Mon, 17 Feb 2020 05:05:23 -0500 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 17 Feb 2020 02:05:23 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,452,1574150400"; d="scan'208";a="314738042" Received: from smile.fi.intel.com (HELO smile) ([10.237.68.40]) by orsmga001.jf.intel.com with ESMTP; 17 Feb 2020 02:05:21 -0800 Received: from andy by smile with local (Exim 4.93) (envelope-from ) id 1j3dHH-002ajQ-8S; Mon, 17 Feb 2020 12:05:23 +0200 Date: Mon, 17 Feb 2020 12:05:23 +0200 From: Andy Shevchenko To: Tony Lindgren Cc: Greg Kroah-Hartman , Jiri Slaby , linux-serial@vger.kernel.org, Sebastian Andrzej Siewior Subject: Re: [PATCH v2 0/8] serial: Disable DMA and PM on kernel console Message-ID: <20200217100523.GY10400@smile.fi.intel.com> References: <20200214114339.53897-1-andriy.shevchenko@linux.intel.com> <20200214163325.GA3992427@kroah.com> <20200214214128.GW16391@atomide.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200214214128.GW16391@atomide.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Sender: linux-serial-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org On Fri, Feb 14, 2020 at 01:41:28PM -0800, Tony Lindgren wrote: > * Greg Kroah-Hartman [200214 20:03]: > > On Fri, Feb 14, 2020 at 01:43:31PM +0200, Andy Shevchenko wrote: > > > This is second attempt [1] to get rid of problematic DMA and PM calls > > > in the serial kernel console code. > > > > > > Kernel console is sensitive to any kind of complex work needed to print > > > out anything on it. One such case is emergency print during Oops. > > > > > > Patches 1-3 are preparatory ones. > > > > I've applied these first 3, as they are "obvious" :) > > > > I'll let others weigh in on the other patches here, as I'd like to see > > if Tony and others feel it solves their issues or not. > > Yes with the pm_runtime_get_sync/pm_runtime_put_sync change for > patch 5/8 things work nicely for me. But as it looks like there will > be another revision of the patches so I'll wait for that before > acking. I will send a new version soon. Thanks for testing! I hope to see Tested-by tags as well ;) -- With Best Regards, Andy Shevchenko