From nobody Fri Dec 19 17:24:39 2025 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 7A742C001DB for ; Mon, 7 Aug 2023 13:52:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234482AbjHGNwl (ORCPT ); Mon, 7 Aug 2023 09:52:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40384 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234467AbjHGNwh (ORCPT ); Mon, 7 Aug 2023 09:52:37 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D04E9E79 for ; Mon, 7 Aug 2023 06:52:36 -0700 (PDT) Message-ID: <20230807135026.471131104@linutronix.de> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1691416355; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: references:references; bh=ZB2Tk1eymt/PbXMe0IaE8sjzy2MyrXEyff6m5gvO+II=; b=VIgCRyLDM+TeTTjYWM7f7ZMNKjZaw7AKGeuhsqFUBNEvcfXO95cO8ih3k0HSdj/cJ+ovMp 7r3acC7grHSUIXryGZBQcmDLkNZVOi8om+PVcvjJZ8YGRCLWmVCfy5a39C5gY9K42ChBh9 4MIgh5SaNtZ6D8g/mfUJucIURiNGBijKJMBgdYnYNGsuMnx1O5HGFLVKFD05ihgSiRHDHr qfqAkzFmK3hVssjabfiuI6Hojn2TqxJ0FOyEMtPqSgflkik9ZXDyb9NwPqHLF96nH2rcjW BozJALw8NUSMDVDxGzhdjNowcC17PrcqZE/FRNfwtsU4iwrVKyKnUatVTrqQdg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1691416355; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: references:references; bh=ZB2Tk1eymt/PbXMe0IaE8sjzy2MyrXEyff6m5gvO+II=; b=rEJdZnL380eOyNl4DeECbImyvDu62+fawzelWR3CXsCH7BhRa06BNE0t54zNI9Wy12SSTT srNI5MYAtz9G7ZCQ== From: Thomas Gleixner To: LKML Cc: x86@kernel.org, Tom Lendacky , Andrew Cooper , Arjan van de Ven , Huang Rui , Juergen Gross , Dimitri Sivanich , Michael Kelley , Sohil Mehta , K Prateek Nayak , Kan Liang , Zhang Rui , "Paul E. McKenney" , Feng Tang , Andy Shevchenko Subject: [patch 01/53] x86/cpu/topology: Cure off by one in fake_topology() References: <20230807130108.853357011@linutronix.de> MIME-Version: 1.0 Date: Mon, 7 Aug 2023 15:52:34 +0200 (CEST) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The shift count for a single core CPU is obviously 0 and not 1. Not that it matters much, but keep it correct. Signed-off-by: Thomas Gleixner --- arch/x86/kernel/cpu/topology_common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/x86/kernel/cpu/topology_common.c +++ b/arch/x86/kernel/cpu/topology_common.c @@ -75,7 +75,7 @@ static bool fake_topology(struct topo_sc * which has useless CPUID information. */ topology_set_dom(tscan, TOPO_SMT_DOMAIN, 0, 1); - topology_set_dom(tscan, TOPO_CORE_DOMAIN, 1, 1); + topology_set_dom(tscan, TOPO_CORE_DOMAIN, 0, 1); =20 return tscan->c->cpuid_level < 1 || xen_pv_domain(); }