From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752715AbdJTIzZ (ORCPT ); Fri, 20 Oct 2017 04:55:25 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:37810 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752038AbdJTIzV (ORCPT ); Fri, 20 Oct 2017 04:55:21 -0400 Date: Fri, 20 Oct 2017 10:53:28 +0200 (CEST) From: Thomas Gleixner To: Kyle Huey cc: Wanpeng Li , "Robert O'Callahan" , Andy Lutomirski , Ingo Molnar , "H. Peter Anvin" , the arch/x86 maintainers , Paolo Bonzini , =?ISO-8859-2?Q?Radim_Kr=E8m=E1=F8?= , Jeff Dike , Richard Weinberger , Alexander Viro , Shuah Khan , Dave Hansen , Borislav Petkov , Peter Zijlstra , Boris Ostrovsky , Len Brown , "Rafael J. Wysocki" , Dmitry Safonov , David Matlack , Nadav Amit , Andi Kleen , Grzegorz Andrejczuk , "linux-kernel@vger.kernel.org" , "open list:USER-MODE LINUX (UML)" , "open list:USER-MODE LINUX (UML)" , "open list:FILESYSTEMS (VFS and infrastructure)" , "open list:KERNEL SELFTEST FRAMEWORK" , kvm Subject: Re: [PATCH v16 09/10] x86/arch_prctl: Selftest for ARCH_[GET|SET]_CPUID In-Reply-To: Message-ID: References: <20170320081628.18952-1-khuey@kylehuey.com> <20170320081628.18952-10-khuey@kylehuey.com> User-Agent: Alpine 2.20 (DEB 67 2015-01-07) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 10 Oct 2017, Kyle Huey wrote: > On Tue, Oct 10, 2017 at 8:35 PM, Wanpeng Li wrote: > > Hi Kyle, > > 2017-03-20 16:16 GMT+08:00 Kyle Huey : > >> Test disabling and reenabling the cpuid instruction via the new arch_prctl > >> ARCH_SET_CPUID, retrieving the current state via ARCH_GET_CPUID, and the > >> expected behaviors across fork() and exec(). > >> > >> Signed-off-by: Kyle Huey > >> --- > >> tools/testing/selftests/x86/Makefile | 2 +- > >> tools/testing/selftests/x86/cpuid_fault.c | 251 ++++++++++++++++++++++++++++++ > > > > I'm not sure why this commit is not merged to upstream. I test > > 4.14-rc3 w/ this testcase on a haswell client, however I encounter the > > below splat, any idea? > > Thanks for pointing out that this never got merged. That's quite > disappointing, especially after reviewers insisted I write this test. Sorry about that. I expected it to be picked up by Shuah and I assumed the same happend the other way round. Can you please resubmit? Thanks, tglx