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=-13.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 73CC4C4727D for ; Mon, 5 Oct 2020 20:40:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3647620853 for ; Mon, 5 Oct 2020 20:40:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=hpe.com header.i=@hpe.com header.b="E/+trGlw" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729419AbgJEUk3 (ORCPT ); Mon, 5 Oct 2020 16:40:29 -0400 Received: from mx0b-002e3701.pphosted.com ([148.163.143.35]:61248 "EHLO mx0b-002e3701.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725901AbgJEUkZ (ORCPT ); Mon, 5 Oct 2020 16:40:25 -0400 Received: from pps.filterd (m0148664.ppops.net [127.0.0.1]) by mx0b-002e3701.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 095KaCGp000499; Mon, 5 Oct 2020 20:40:07 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hpe.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pps0720; bh=WDsvPhVJuvNtZem/wOxe3zBiS7XO/hr3T6UjiygXLrw=; b=E/+trGlwvRLjdGR3eAB5tSr24sbLVadFNyXPs0yuSqW1YCFZFlA0yqN5pPrjSobHv6I/ w+FgvjukmKS4+VHkLnHIXAsUbP3EC9c20jviY0H2pWWhzq4rjv1OeDKA2zBpoHfni7V7 +gJIsJZZbE5JDM5o68ynBK8pp6KYsJwUdTrJd1tNy8fyIYP1OnEBrsUClBe65TM0bsCl MNCiXRoKrg6WiJmaB3YuKlGKMGHC8KEzoem6PkxVIw+Aq8Til4sT32v+gygg0Vl3JOd7 LyOREOuGiWmSTEOFpUlxuWwOlXYZ4o/o+0ErZOfulV0py7bXctsH98+GniKBNA6cQFyi /w== Received: from g9t5008.houston.hpe.com (g9t5008.houston.hpe.com [15.241.48.72]) by mx0b-002e3701.pphosted.com with ESMTP id 33xgdvkat2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 05 Oct 2020 20:40:07 +0000 Received: from g9t2301.houston.hpecorp.net (g9t2301.houston.hpecorp.net [16.220.97.129]) by g9t5008.houston.hpe.com (Postfix) with ESMTP id 1275B57; Mon, 5 Oct 2020 20:40:07 +0000 (UTC) Received: from dog.eag.rdlabs.hpecorp.net (dog.eag.rdlabs.hpecorp.net [128.162.243.181]) by g9t2301.houston.hpecorp.net (Postfix) with ESMTP id D2AAB48; Mon, 5 Oct 2020 20:40:05 +0000 (UTC) From: Mike Travis To: Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, Steve Wahl , Dave Hansen , Andy Lutomirski , Peter Zijlstra , Dimitri Sivanich , Arnd Bergmann , Greg Kroah-Hartman Cc: Mike Travis , "H. Peter Anvin" , Russ Anderson , Darren Hart , Andy Shevchenko , Alexandre Chartre , Jian Cai , Vitaly Kuznetsov , linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org Subject: [PATCH v4 10/13] x86/platform/uv: Update Node Present Counting Date: Mon, 5 Oct 2020 15:39:26 -0500 Message-Id: <20201005203929.148656-11-mike.travis@hpe.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20201005203929.148656-1-mike.travis@hpe.com> References: <20201005203929.148656-1-mike.travis@hpe.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-HPE-SCL: -1 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-10-05_15:2020-10-05,2020-10-05 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 lowpriorityscore=0 phishscore=0 adultscore=0 priorityscore=1501 mlxscore=0 suspectscore=0 mlxlogscore=999 impostorscore=0 spamscore=0 malwarescore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2010050144 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The changes in the UV5 arch shrunk the NODE PRESENT table to just 2x64 entries (128 total) so are in to 64 bit MMRs instead of a depth of 64 bits in an array. Adjust references when counting up the nodes present. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Reviewed-by: Steve Wahl --- arch/x86/kernel/apic/x2apic_uv_x.c | 26 +++++++++++++++++++------- 1 file changed, 19 insertions(+), 7 deletions(-) diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index 9208a84d381a..c7f5c1a55552 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -1436,20 +1436,32 @@ static int __init decode_uv_systab(void) /* Set up physical blade translations from UVH_NODE_PRESENT_TABLE */ static __init void boot_init_possible_blades(struct uv_hub_info_s *hub_info) { + unsigned long np; int i, uv_pb = 0; - pr_info("UV: NODE_PRESENT_DEPTH = %d\n", UVH_NODE_PRESENT_TABLE_DEPTH); - for (i = 0; i < UVH_NODE_PRESENT_TABLE_DEPTH; i++) { - unsigned long np; - - np = uv_read_local_mmr(UVH_NODE_PRESENT_TABLE + i * 8); - if (np) + if (UVH_NODE_PRESENT_TABLE) { + pr_info("UV: NODE_PRESENT_DEPTH = %d\n", + UVH_NODE_PRESENT_TABLE_DEPTH); + for (i = 0; i < UVH_NODE_PRESENT_TABLE_DEPTH; i++) { + np = uv_read_local_mmr(UVH_NODE_PRESENT_TABLE + i * 8); pr_info("UV: NODE_PRESENT(%d) = 0x%016lx\n", i, np); - + uv_pb += hweight64(np); + } + } + if (UVH_NODE_PRESENT_0) { + np = uv_read_local_mmr(UVH_NODE_PRESENT_0); + pr_info("UV: NODE_PRESENT_0 = 0x%016lx\n", np); + uv_pb += hweight64(np); + } + if (UVH_NODE_PRESENT_1) { + np = uv_read_local_mmr(UVH_NODE_PRESENT_1); + pr_info("UV: NODE_PRESENT_1 = 0x%016lx\n", np); uv_pb += hweight64(np); } if (uv_possible_blades != uv_pb) uv_possible_blades = uv_pb; + + pr_info("UV: number nodes/possible blades %d\n", uv_pb); } static void __init build_socket_tables(void) -- 2.21.0