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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EC743C77B7C for ; Wed, 24 May 2023 20:22:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236410AbjEXUWA (ORCPT ); Wed, 24 May 2023 16:22:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36320 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229696AbjEXUV6 (ORCPT ); Wed, 24 May 2023 16:21:58 -0400 Received: from desiato.infradead.org (desiato.infradead.org [IPv6:2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B76FB113; Wed, 24 May 2023 13:21:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Transfer-Encoding: Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Sender:Reply-To:Content-ID:Content-Description; bh=FmMXlqwkR/abppEpWGmFJiOBXndmPtngYGvj5QKOQZw=; b=guGhhkfVTG0Zis+deiqCH6Cyp2 x6VyePBW5b1kJZZdhHQEvjGBi2WEyvYlAKMI4h/ZQ9KLM7see5teB0firBu1W+cXqxEnuZHHLwvte 7JuCoHfkwNzxN1NwCZyaiiwYOVxJeL1Euw3PgEaxqS6WFzaMteIz92fqlxI3u8e82XmHQe40nmALR XE0LLH9ef+OMz31Ctvn0JpV/CutyLu0kdPdkUTRhgKxs4iOABijrvjRmtufry0YPrjDAgRe12MxC4 /J70iVsGqwZnA6wh/lT6KVP/EqMl/SqjNaB6HBwXdOT7KUEcLMZv90DAslc89GbcVr8Nzb7sXL+3X HqVgl/Bw==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1q1uzK-0054bX-02; Wed, 24 May 2023 20:21:39 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id D191330013F; Wed, 24 May 2023 22:21:35 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id B289C20A7872D; Wed, 24 May 2023 22:21:35 +0200 (CEST) Date: Wed, 24 May 2023 22:21:35 +0200 From: Peter Zijlstra To: "Liang, Kan" Cc: Stephane Eranian , mingo@redhat.com, linux-kernel@vger.kernel.org, ak@linux.intel.com, stable@vger.kernel.org Subject: Re: [PATCH] perf/x86/uncore: Correct the number of CHAs on SPR Message-ID: <20230524202135.GA3447678@hirez.programming.kicks-ass.net> References: <20230508140206.283708-1-kan.liang@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 24, 2023 at 03:10:00PM -0400, Liang, Kan wrote: > Hi Peter, > > On 2023-05-08 12:16 p.m., Stephane Eranian wrote: > > On Mon, May 8, 2023 at 7:05 AM wrote: > >> > >> From: Kan Liang > >> > >> The number of CHAs from the discovery table on some SPR variants is > >> incorrect, because of a firmware issue. An accurate number can be read > >> from the MSR UNC_CBO_CONFIG. > >> > >> Fixes: 949b11381f81 ("perf/x86/intel/uncore: Add Sapphire Rapids server CHA support") > >> Reported-by: Stephane Eranian > >> Signed-off-by: Kan Liang > > > > Tested-by: Stephane Eranian > > > > Gentle ping. Urgh, too much email.. Queued for perf/urgent.