From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751225AbeC3K1V (ORCPT ); Fri, 30 Mar 2018 06:27:21 -0400 Received: from mail.skyhub.de ([5.9.137.197]:56966 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750790AbeC3K1U (ORCPT ); Fri, 30 Mar 2018 06:27:20 -0400 Date: Fri, 30 Mar 2018 12:26:21 +0200 From: Borislav Petkov To: David Wang Cc: tony.luck@intel.com, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org, brucechang@via-alliance.com, cooperyan@zhaoxin.com, qiyuanwang@zhaoxin.com, benjaminpan@viatech.com, lukelin@viacpu.com, timguo@zhaoxin.com Subject: Re: [PATCH 1/2] x86/mce: new centaur CPUs support MCE broadcasting Message-ID: <20180330102621.GA30063@pd.tnic> References: <1522403622-31146-1-git-send-email-davidwang@zhaoxin.com> <1522403622-31146-2-git-send-email-davidwang@zhaoxin.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <1522403622-31146-2-git-send-email-davidwang@zhaoxin.com> 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 Fri, Mar 30, 2018 at 05:53:41PM +0800, David Wang wrote: > This patch is used to tell the kernel that newer Centaur CPU support MCE > broadcasting. > > Signed-off-by: David Wang > --- > arch/x86/kernel/cpu/mcheck/mce.c | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c > index 7065846..82b25e1 100644 > --- a/arch/x86/kernel/cpu/mcheck/mce.c > +++ b/arch/x86/kernel/cpu/mcheck/mce.c > @@ -1688,6 +1688,17 @@ static int __mcheck_cpu_apply_quirks(struct cpuinfo_x86 *c) > if (c->x86 == 6 && c->x86_model == 45) > quirk_no_way_out = quirk_sandybridge_ifu; > } > + > + if (c->x86_vendor == X86_VENDOR_CENTAUR) { > + /* > + * All newer centaur CPUs support MCE broadcasting. Enable > + * synchronization with a one second timeout. > + */ > + if ((c->x86 > 6 || (c->x86 == 6 && c->x86_model == 0xf && c->x86_mask >=0xe)) && Are some specs or manuals available somewhere on the web for those? Thx. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.