From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kirill A. Shutemov" Subject: Re: [RFC, PATCHv1 22/28] x86/espfix: support 5-level paging Date: Mon, 12 Dec 2016 17:22:29 +0300 Message-ID: <20161212142229.GA4208@node> References: <20161208162150.148763-1-kirill.shutemov@linux.intel.com> <20161208162150.148763-24-kirill.shutemov@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Andy Lutomirski Cc: "Kirill A. Shutemov" , Linus Torvalds , Andrew Morton , X86 ML , Thomas Gleixner , Ingo Molnar , Arnd Bergmann , "H. Peter Anvin" , Andi Kleen , Dave Hansen , linux-arch , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" List-Id: linux-arch.vger.kernel.org On Thu, Dec 08, 2016 at 10:40:41AM -0800, Andy Lutomirski wrote: > On Thu, Dec 8, 2016 at 8:21 AM, Kirill A. Shutemov > wrote: > > XXX: how to test this? > > tools/testing/selftests/x86/sigreturn_{32,64} Hm. They fail on non-patched kernel with QEMU, but not KVM. :-/ I guess I'd need to fix QEMU first. -- Kirill A. Shutemov From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wj0-f195.google.com ([209.85.210.195]:33262 "EHLO mail-wj0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752976AbcLLOWd (ORCPT ); Mon, 12 Dec 2016 09:22:33 -0500 Received: by mail-wj0-f195.google.com with SMTP id kp2so11792690wjc.0 for ; Mon, 12 Dec 2016 06:22:32 -0800 (PST) Date: Mon, 12 Dec 2016 17:22:29 +0300 From: "Kirill A. Shutemov" Subject: Re: [RFC, PATCHv1 22/28] x86/espfix: support 5-level paging Message-ID: <20161212142229.GA4208@node> References: <20161208162150.148763-1-kirill.shutemov@linux.intel.com> <20161208162150.148763-24-kirill.shutemov@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-arch-owner@vger.kernel.org List-ID: To: Andy Lutomirski Cc: "Kirill A. Shutemov" , Linus Torvalds , Andrew Morton , X86 ML , Thomas Gleixner , Ingo Molnar , Arnd Bergmann , "H. Peter Anvin" , Andi Kleen , Dave Hansen , linux-arch , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" Message-ID: <20161212142229.dCMSVwtUK8qKCF33jHc-ExCggyJjmFux26HJqMoF2Uo@z> On Thu, Dec 08, 2016 at 10:40:41AM -0800, Andy Lutomirski wrote: > On Thu, Dec 8, 2016 at 8:21 AM, Kirill A. Shutemov > wrote: > > XXX: how to test this? > > tools/testing/selftests/x86/sigreturn_{32,64} Hm. They fail on non-patched kernel with QEMU, but not KVM. :-/ I guess I'd need to fix QEMU first. -- Kirill A. Shutemov