From nobody Tue Jun 9 20:03:13 2026 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 10DE7C433F5 for ; Thu, 7 Apr 2022 15:48:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244402AbiDGPuf (ORCPT ); Thu, 7 Apr 2022 11:50:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54470 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232193AbiDGPud (ORCPT ); Thu, 7 Apr 2022 11:50:33 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6F24A37017; Thu, 7 Apr 2022 08:48:32 -0700 (PDT) Date: Thu, 07 Apr 2022 15:48:29 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1649346511; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=0EUgoUyJOV+ytrCOJgy5gzgNTd08GKnxKCRhqyMu0nE=; b=zdIl3g8UNSYqpd+vpQ9Qr829tlSM089AP1JhJEl080Mu66qQwKz0B3spXulKz8ovdGIVlt NP2PDcKpDnNtyyE5Zo+oALPEjEl3ewOq3yjxC7aRdw/XjkenNopyDGs7Ykxk8iGZOunIX/ IeF3JFcyn+dCPTKCEUjXBTjne3j0oQEnLMg0UVvgnBl4954tBdvytTjM3/18Usnhzm7Gmm x0pU9Dxn88faNGUTKahRveEmpVq+vYo4oQZAMA4YCDNB16z/gUzQOMQtBdOI2/aQGKMG3D HfOKtTm3HT5+nMXXsuLfmMDcW3IVD+KzX0u1RwRn0hxyoc6gWHULoK0D5lGENA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1649346511; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=0EUgoUyJOV+ytrCOJgy5gzgNTd08GKnxKCRhqyMu0nE=; b=KJ6NEmiMsfpundaRbK/3vT0U/er+WnvU4x5mWUeOO/OG3DZXN3qd5OMCYTnM8Ui9SD2SxM AhHi9MyQ8RUBFZAw== From: "tip-bot2 for Mike Travis" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: x86/platform] x86/platform/uv: Log gap hole end size Cc: Mike Travis , Steve Wahl , Borislav Petkov , Thomas Gleixner , x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20220406195149.228164-4-steve.wahl@hpe.com> References: <20220406195149.228164-4-steve.wahl@hpe.com> MIME-Version: 1.0 Message-ID: <164934650980.389.11541360930801701487.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following commit has been merged into the x86/platform branch of tip: Commit-ID: 327c348988c6f0bacd7abd29c151f37bdf1e2a02 Gitweb: https://git.kernel.org/tip/327c348988c6f0bacd7abd29c151f37bd= f1e2a02 Author: Mike Travis AuthorDate: Wed, 06 Apr 2022 14:51:49 -05:00 Committer: Borislav Petkov CommitterDate: Thu, 07 Apr 2022 17:25:15 +02:00 x86/platform/uv: Log gap hole end size Show value of gap end in the kernel log which equates to number of physical address bits used by system. Signed-off-by: Mike Travis Signed-off-by: Steve Wahl Signed-off-by: Borislav Petkov Acked-by: Thomas Gleixner Link: https://lore.kernel.org/r/20220406195149.228164-4-steve.wahl@hpe.com --- arch/x86/kernel/apic/x2apic_uv_x.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2ap= ic_uv_x.c index a6e9c27..4828552 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -1346,7 +1346,7 @@ static void __init decode_gam_params(unsigned long pt= r) static void __init decode_gam_rng_tbl(unsigned long ptr) { struct uv_gam_range_entry *gre =3D (struct uv_gam_range_entry *)ptr; - unsigned long lgre =3D 0; + unsigned long lgre =3D 0, gend =3D 0; int index =3D 0; int sock_min =3D 999999, pnode_min =3D 99999; int sock_max =3D -1, pnode_max =3D -1; @@ -1380,6 +1380,9 @@ static void __init decode_gam_rng_tbl(unsigned long p= tr) flag, size, suffix[order], gre->type, gre->nasid, gre->sockid, gre->pnode); =20 + if (gre->type =3D=3D UV_GAM_RANGE_TYPE_HOLE) + gend =3D (unsigned long)gre->limit << UV_GAM_RANGE_SHFT; + /* update to next range start */ lgre =3D gre->limit; if (sock_min > gre->sockid) @@ -1397,7 +1400,8 @@ static void __init decode_gam_rng_tbl(unsigned long p= tr) _max_pnode =3D pnode_max; _gr_table_len =3D index; =20 - pr_info("UV: GRT: %d entries, sockets(min:%x,max:%x) pnodes(min:%x,max:%x= )\n", index, _min_socket, _max_socket, _min_pnode, _max_pnode); + pr_info("UV: GRT: %d entries, sockets(min:%x,max:%x), pnodes(min:%x,max:%= x), gap_end(%d)\n", + index, _min_socket, _max_socket, _min_pnode, _max_pnode, fls64(gend)); } =20 /* Walk through UVsystab decoding the fields */