Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751696AbcDUK53 (ORCPT ); Thu, 21 Apr 2016 06:57:29 -0400 Received: from mail-wm0-f47.google.com ([74.125.82.47]:37416 "EHLO mail-wm0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751302AbcDUK51 (ORCPT ); Thu, 21 Apr 2016 06:57:27 -0400 Date: Thu, 21 Apr 2016 12:57:24 +0200 From: Pali =?utf-8?B?Um9ow6Fy?= To: Guenter Roeck Cc: Juergen Gross , linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org, boris.ostrovsky@oracle.com, david.vrabel@citrix.com, mingo@redhat.com, peterz@infradead.org, Douglas_Warzecha@dell.com, jdelvare@suse.com, tglx@linutronix.de, hpa@zytor.com, jeremy@goop.org, chrisw@sous-sol.org, akataria@vmware.com, rusty@rustcorp.com.au, virtualization@lists.linux-foundation.org, x86@kernel.org Subject: Re: [PATCH v4 6/6] hwmon: use smp_call_on_cpu() for dell-smm i8k Message-ID: <20160421105724.GK29406@pali> References: <1459833007-11618-1-git-send-email-jgross@suse.com> <1459833007-11618-7-git-send-email-jgross@suse.com> <20160405145414.GB27359@roeck-us.net> <201604052131.52765@pali> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <201604052131.52765@pali> User-Agent: Mutt/1.5.23.1 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 859 Lines: 24 On Tuesday 05 April 2016 21:31:52 Pali Rohár wrote: > On Tuesday 05 April 2016 16:54:14 Guenter Roeck wrote: > > On Tue, Apr 05, 2016 at 07:10:07AM +0200, Juergen Gross wrote: > > > Use the smp_call_on_cpu() function to call system management > > > mode on cpu 0. > > > Make call secure by adding get_online_cpus() to avoid e.g. suspend > > > resume cycles in between. > > > > > > Signed-off-by: Juergen Gross > > > --- > > > V4: add call to get_online_cpus() > > > > Pali, any chance to test this ? > > I can test it, but just on machine where (probably) smm calls can be > send from any cpu... Need some time for testing and I believe I can do > that at the end of the week. Sorry I had absolutely no more free time last weekend :-( And same prediction is for this weekend and also next one... -- Pali Rohár pali.rohar@gmail.com