From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754808AbcDAHkG (ORCPT ); Fri, 1 Apr 2016 03:40:06 -0400 Received: from mx2.suse.de ([195.135.220.15]:35631 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751706AbcDAHkE (ORCPT ); Fri, 1 Apr 2016 03:40:04 -0400 Subject: Re: [PATCH v3 2/6] smp: add function to execute a function synchronously on a physical cpu To: Peter Zijlstra References: <1459494874-12194-1-git-send-email-jgross@suse.com> <1459494874-12194-3-git-send-email-jgross@suse.com> <20160401073733.GB3448@twins.programming.kicks-ass.net> Cc: linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org, konrad.wilk@oracle.com, boris.ostrovsky@oracle.com, david.vrabel@citrix.com, mingo@redhat.com, Douglas_Warzecha@dell.com, pali.rohar@gmail.com, jdelvare@suse.com, linux@roeck-us.net, 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 From: Juergen Gross Message-ID: <56FE25D0.7040007@suse.com> Date: Fri, 1 Apr 2016 09:40:00 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.0 MIME-Version: 1.0 In-Reply-To: <20160401073733.GB3448@twins.programming.kicks-ass.net> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/04/16 09:37, Peter Zijlstra wrote: > On Fri, Apr 01, 2016 at 09:14:30AM +0200, Juergen Gross wrote: >> + if (cpu >= nr_cpu_ids) >> + return -EINVAL; > >> + if (cpu != 0) >> + return -EINVAL; > > The other functions return -ENXIO for this. Aah, okay. Will change. Juergen