From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758279AbcDAHiG (ORCPT ); Fri, 1 Apr 2016 03:38:06 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:36997 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754854AbcDAHiD (ORCPT ); Fri, 1 Apr 2016 03:38:03 -0400 Date: Fri, 1 Apr 2016 09:37:33 +0200 From: Peter Zijlstra To: Juergen Gross 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 Subject: Re: [PATCH v3 2/6] smp: add function to execute a function synchronously on a physical cpu Message-ID: <20160401073733.GB3448@twins.programming.kicks-ass.net> References: <1459494874-12194-1-git-send-email-jgross@suse.com> <1459494874-12194-3-git-send-email-jgross@suse.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1459494874-12194-3-git-send-email-jgross@suse.com> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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.