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=-10.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 44FE4C433E3 for ; Mon, 24 Aug 2020 08:38:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1B90422B47 for ; Mon, 24 Aug 2020 08:38:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598258285; bh=KfNoq6N2p+aGqJfVnuq17Kbyr3o0jWGxUz32+IgQyRE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ycQTo2EuJqz66S0rDECHfzWknqTQc4Mi+vtxt7SqlOq5l2WfJK6Z5T6NapCxyZAqc LJf7Z+pUUm61h1wiaXubO+OuUYVU0fJPgRa6Fyj7OV4B6YpBdxizkfUdJK2WVNvZzd KEUslO/7gQxmGw6alw80H4v48m0nQEaArO/yytbc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726104AbgHXIiD (ORCPT ); Mon, 24 Aug 2020 04:38:03 -0400 Received: from mail.kernel.org ([198.145.29.99]:51974 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728488AbgHXIiA (ORCPT ); Mon, 24 Aug 2020 04:38:00 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4E49022B47; Mon, 24 Aug 2020 08:37:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598258279; bh=KfNoq6N2p+aGqJfVnuq17Kbyr3o0jWGxUz32+IgQyRE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mba/tSEzVDpp5c+q5S/hvMp4vTglCDex1s0jTTuu49MSwGhOAfO4CFpb6zqp+mwyv clvuD1+mcxicV3sFIXBqFQvODvACuc1aR7Z0xiJhDmlyVld7yufpZUUWezpF15Ao/F kYhak2Pk5O23Rva/cD76nWEMoy9PU+4KkUjtxn5s= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Michael Neuling , Vaidyanathan Srinivasan , Michael Ellerman Subject: [PATCH 5.8 140/148] powerpc: Fix P10 PVR revision in /proc/cpuinfo for SMT4 cores Date: Mon, 24 Aug 2020 10:30:38 +0200 Message-Id: <20200824082420.725353079@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200824082413.900489417@linuxfoundation.org> References: <20200824082413.900489417@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Michael Neuling commit 030a2c689fb46e1690f7ded8b194bab7678efb28 upstream. On POWER10 bit 12 in the PVR indicates if the core is SMT4 or SMT8. Bit 12 is set for SMT4. Without this patch, /proc/cpuinfo on a SMT4 DD1 POWER10 looks like this: cpu : POWER10, altivec supported revision : 17.0 (pvr 0080 1100) Fixes: a3ea40d5c736 ("powerpc: Add POWER10 architected mode") Cc: stable@vger.kernel.org # v5.8 Signed-off-by: Michael Neuling Reviewed-by: Vaidyanathan Srinivasan Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20200803035600.1820371-1-mikey@neuling.org Signed-off-by: Greg Kroah-Hartman --- arch/powerpc/kernel/setup-common.c | 1 + 1 file changed, 1 insertion(+) --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -311,6 +311,7 @@ static int show_cpuinfo(struct seq_file min = pvr & 0xFF; break; case 0x004e: /* POWER9 bits 12-15 give chip type */ + case 0x0080: /* POWER10 bit 12 gives SMT8/4 */ maj = (pvr >> 8) & 0x0F; min = pvr & 0xFF; break;