From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753353AbeCTMv0 (ORCPT ); Tue, 20 Mar 2018 08:51:26 -0400 Received: from merlin.infradead.org ([205.233.59.134]:35456 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753170AbeCTMvT (ORCPT ); Tue, 20 Mar 2018 08:51:19 -0400 Date: Tue, 20 Mar 2018 13:51:02 +0100 From: Peter Zijlstra To: mulix@mulix.org, thomas.lendacky@amd.com, dwmw2@infradead.org, mingo@kernel.org, torvalds@linux-foundation.org, joro@8bytes.org, linux-kernel@vger.kernel.org, hch@lst.de, konrad.wilk@oracle.com, jdmason@kudzu.us, tglx@linutronix.de, hpa@zytor.com Cc: linux-tip-commits@vger.kernel.org Subject: Re: [tip:x86/pti] x86/cpu: Remove the CONFIG_X86_PPRO_FENCE=y quirk Message-ID: <20180320125102.GT4043@hirez.programming.kicks-ass.net> References: <20180319103826.12853-2-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.3 (2018-01-21) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 20, 2018 at 04:04:49AM -0700, tip-bot for Christoph Hellwig wrote: > x86/cpu: Remove the CONFIG_X86_PPRO_FENCE=y quirk > > There were only a few Pentium Pro multiprocessors systems where this > errata applied. They are more than 20 years old now, and we've slowly > dropped places which put the workarounds in and discouraged anyone > from enabling the workaround. > > Get rid of it for good. Hoorah!! x86 is back to pure TSO.