From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from aserp1040.oracle.com ([141.146.126.69]:17361 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753149AbbG3R5b (ORCPT ); Thu, 30 Jul 2015 13:57:31 -0400 Message-ID: <55BA6534.2080407@oracle.com> Date: Thu, 30 Jul 2015 13:56:04 -0400 From: Boris Ostrovsky MIME-Version: 1.0 To: Andy Lutomirski , Peter Zijlstra , Steven Rostedt CC: "security@kernel.org" , X86 ML , Borislav Petkov , Sasha Levin , linux-kernel@vger.kernel.org, Konrad Rzeszutek Wilk , Andrew Cooper , Jan Beulich , xen-devel , stable@vger.kernel.org Subject: Re: [PATCH v5 2/4] x86/ldt: Make modify_ldt synchronous References: <1f1e8e0367408585694132a0e8693d157959ce30.1438061139.git.luto@kernel.org> In-Reply-To: <1f1e8e0367408585694132a0e8693d157959ce30.1438061139.git.luto@kernel.org> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: stable-owner@vger.kernel.org List-ID: On 07/28/2015 01:29 AM, Andy Lutomirski wrote: > + > +static inline void load_mm_ldt(struct mm_struct *mm) > +{ > + struct ldt_struct *ldt; > + DEBUG_LOCKS_WARN_ON(!irqs_disabled()); I thought this was supposed to be checking preemptible()? -boris