From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D770EC433ED for ; Thu, 1 Apr 2021 18:52:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B1C8A61057 for ; Thu, 1 Apr 2021 18:52:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237557AbhDASwe (ORCPT ); Thu, 1 Apr 2021 14:52:34 -0400 Received: from mail.kernel.org ([198.145.29.99]:32844 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236107AbhDASiK (ORCPT ); Thu, 1 Apr 2021 14:38:10 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id BA309601FC; Thu, 1 Apr 2021 18:38:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1617302283; bh=ycPZTuXV6tAL8jhfe8KPvmUs0jN23x/LD9ZQt1KdAlc=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:From; b=n39PS0t2fQ2IrKMq53PHuuJSgR5J7pjh7fvUUnw5Jd+SvZGirKnnrb1dWMmsjWOo4 Bwv+jQB4pwY+mVq8VzcES9XCMCXY4EdrcxtmxixoubsdUk9csiXRPusoF7Ly4NltRl zkkyD6CgRNOGvL0Xy6mo2Th5E9ANeWX5oVrPiQPQR0fsmqIRAO+s1ri5Tp6GIXFHd3 LtrwmmnMX0YqntyhbB/wWG53+jHpx2eVRas40o6DDqju8PuWckCWAs15Shqd6sncea C4USwvXc41frPMXQR2+4zbyaqXIFITWyoBwsQupy+9fz7DoyhaHwaw3XqoRmfYacY0 mgVNNR7PcInZQ== Received: by paulmck-ThinkPad-P72.home (Postfix, from userid 1000) id 8AC5035237B2; Thu, 1 Apr 2021 11:38:03 -0700 (PDT) Date: Thu, 1 Apr 2021 11:38:03 -0700 From: "Paul E. McKenney" To: Borislav Petkov Cc: tony.luck@intel.com, linux-kernel@vger.kernel.org, riel@surriel.com Subject: Re: Backporting to v5.6: fd258dc4442c ("x86/mce: Add Skylake quirk for patrol scrub reported errors") Message-ID: <20210401183803.GG2696@paulmck-ThinkPad-P72> Reply-To: paulmck@kernel.org References: <20210401161740.GA22501@paulmck-ThinkPad-P72> <20210401181854.GB11782@zn.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210401181854.GB11782@zn.tnic> User-Agent: Mutt/1.9.4 (2018-02-28) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 01, 2021 at 08:18:54PM +0200, Borislav Petkov wrote: > Hey Paul, > > On Thu, Apr 01, 2021 at 09:17:40AM -0700, Paul E. McKenney wrote: > > Hello! > > > > We are looking at backporting fd258dc4442c ("x86/mce: Add Skylake quirk > > for patrol scrub reported errors") to v5.6. When accompanied by these > > guys, it passes our usual kernel smoke-testing: > > > > 1df73b2131e3 ("x86/mce: Fixup exception only for the correct MCEs") > > 1de08dccd383 ("x86/mce: Add a struct mce.kflags field") > > why do you even need those two? > > fd258dc4442c gives you only an Action Optional severity for that > particular error type and the other two patches are for recovery of > errors in the kernel memory range, i.e., for pmem etc., so should be > unrelated. > > I mean, it depends on what you want to backport, ofc. Even better, thank you very much! Thanx, Paul