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[209.132.180.67]) by mx.google.com with ESMTP id u70si1145560pgd.619.2018.03.20.05.53.27; Tue, 20 Mar 2018 05:53:42 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@infradead.org header.s=merlin.20170209 header.b=PIviSbhs; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753351AbeCTMvZ (ORCPT + 99 others); Tue, 20 Mar 2018 08:51:25 -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 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=Xr1D6JOiWbxZVL92lhhU5A005pJiZoV/N/8h/S34Kqs=; b=PIviSbhs5gbQKOtluUez+cWrW gCnvl6bDgmatPZ10arY+Ick9egA5dj7NO1WNToxqmarheJZAUwch0gYSpFVhEyf03JeUcdfuHkQXg p0mdRAw4P9WnUnZjRCxLTkMGQzdlbXhOAlOrKA70YsP1LllqPmmz9bvFoW+RFSyczxfe3AxZq4oiW PWFWeOAk/RXcDHfY7VZvwlM6HA5sSqnpDZmLoTlIn6a4Fkearnk6tnXQ7CdbnG/jLcYaCZwHt0N/0 4bCpTvcag3GtMnjtYwt/nMNh3v++CqZPovO5OnMNB9lH88/QRJe4uEw/90UXQzCUSdKSq78cltdd3 /WqDhzPbQ==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by merlin.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1eyGjI-00065F-03; Tue, 20 Mar 2018 12:51:05 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id ACC9C202A2A03; Tue, 20 Mar 2018 13:51:02 +0100 (CET) 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 Precedence: bulk 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.