From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751461AbeBTK0j (ORCPT ); Tue, 20 Feb 2018 05:26:39 -0500 Received: from terminus.zytor.com ([198.137.202.136]:58417 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751336AbeBTK0g (ORCPT ); Tue, 20 Feb 2018 05:26:36 -0500 Date: Tue, 20 Feb 2018 02:26:06 -0800 From: tip-bot for Jann Horn Message-ID: Cc: mingo@kernel.org, jpoimboe@redhat.com, luto@kernel.org, peterz@infradead.org, hpa@zytor.com, jannh@google.com, linux-kernel@vger.kernel.org, dvlasenk@redhat.com, tglx@linutronix.de, brgerst@gmail.com, torvalds@linux-foundation.org, bp@alien8.de Reply-To: luto@kernel.org, peterz@infradead.org, jpoimboe@redhat.com, mingo@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org, jannh@google.com, dvlasenk@redhat.com, tglx@linutronix.de, torvalds@linux-foundation.org, brgerst@gmail.com, bp@alien8.de In-Reply-To: <20180219175039.253089-1-jannh@google.com> References: <20180219175039.253089-1-jannh@google.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/pti] x86/mm: Remove stale comment about KMEMCHECK Git-Commit-ID: 3b3a9268bba62b35a29bafe0931715b1725fdf26 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 3b3a9268bba62b35a29bafe0931715b1725fdf26 Gitweb: https://git.kernel.org/tip/3b3a9268bba62b35a29bafe0931715b1725fdf26 Author: Jann Horn AuthorDate: Mon, 19 Feb 2018 18:50:39 +0100 Committer: Ingo Molnar CommitDate: Tue, 20 Feb 2018 09:33:39 +0100 x86/mm: Remove stale comment about KMEMCHECK This comment referred to a conditional call to kmemcheck_hide() that was here until commit 4950276672fc ("kmemcheck: remove annotations"). Now that kmemcheck has been removed, it doesn't make sense anymore. Signed-off-by: Jann Horn Acked-by: Thomas Gleixner Cc: Andy Lutomirski Cc: Borislav Petkov Cc: Brian Gerst Cc: Denys Vlasenko Cc: H. Peter Anvin Cc: Josh Poimboeuf Cc: Linus Torvalds Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/20180219175039.253089-1-jannh@google.com Signed-off-by: Ingo Molnar --- arch/x86/mm/fault.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 800de81..c88573d 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -1248,10 +1248,6 @@ __do_page_fault(struct pt_regs *regs, unsigned long error_code, tsk = current; mm = tsk->mm; - /* - * Detect and handle instructions that would cause a page fault for - * both a tracked kernel page and a userspace page. - */ prefetchw(&mm->mmap_sem); if (unlikely(kmmio_fault(regs, address)))