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 0C5C7C433EF for ; Mon, 6 Jun 2022 13:14:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238584AbiFFNOf (ORCPT ); Mon, 6 Jun 2022 09:14:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55194 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238623AbiFFNOb (ORCPT ); Mon, 6 Jun 2022 09:14:31 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DCB481AD81; Mon, 6 Jun 2022 06:14:15 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 28EEE6122B; Mon, 6 Jun 2022 13:14:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8B4D5C34115; Mon, 6 Jun 2022 13:14:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1654521254; bh=YDX4NNlOVpqDCWCFK0MqZGOJ//FD8OgInNrhbDMDRqc=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=YZHN5+ZGwp6uasf+gER256E64FyixZ8PUrwizVGOgvJvGpU2xeNHI40K4fdEBG58I fFg2tqQnfNhKqhI+j/47ZsK4JZMYVZdb3xas9xFas1a7Eh7oLj5F4R7QggFus7Y+29 ocvKdTbDa+ZcvQCEj+KqZKoyxMv+R50hhKI+QwUmACNxLmwzkYyrwOgIc9JIo2N8cB 5+DRYMMuzrfc4rMWw4sgE1mjbeipPPkRVtjJe3OXuclQR6semuYsTfB4NHqNekHmkR MTTseK7TD+RQaGbgmrZ1OFWnAWCEhd0MRt3Sf/3UuDvnL9Sv7Xe9dpZAhQgCZrP6hO 6bRSdf2xU5V1w== Received: from sofa.misterjones.org ([185.219.108.64] helo=why.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1nyCYe-00FuK3-5c; Mon, 06 Jun 2022 14:14:12 +0100 Date: Mon, 06 Jun 2022 14:14:11 +0100 Message-ID: <87sfoi3pek.wl-maz@kernel.org> From: Marc Zyngier To: Dragan Mladjenovic Cc: Thomas Bogendoerfer , Chao-ying Fu , Daniel Lezcano , Geert Uytterhoeven , Greg Ungerer , Hauke Mehrtens , Ilya Lipnitskiy , Jiaxun Yang , linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, Paul Burton , Peter Zijlstra , Serge Semin , Thomas Gleixner , Tiezhu Yang , Dragan Mladjenovic Subject: Re: [PATCH v2 11/12] MIPS: Report cluster in /proc/cpuinfo In-Reply-To: <20220525121030.16054-12-Dragan.Mladjenovic@syrmia.com> References: <20220525121030.16054-1-Dragan.Mladjenovic@syrmia.com> <20220525121030.16054-12-Dragan.Mladjenovic@syrmia.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/27.1 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: Dragan.Mladjenovic@syrmia.com, tsbogend@alpha.franken.de, cfu@wavecomp.com, daniel.lezcano@linaro.org, geert@linux-m68k.org, gerg@kernel.org, hauke@hauke-m.de, ilya.lipnitskiy@gmail.com, jiaxun.yang@flygoat.com, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, paulburton@kernel.org, peterz@infradead.org, fancer.lancer@gmail.com, tglx@linutronix.de, yangtiezhu@loongson.cn, dragan.mladjenovic@syrmia.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org On Wed, 25 May 2022 13:10:29 +0100, Dragan Mladjenovic wrote: > > From: Paul Burton > > When >= CM3.5 output cluster number. > > Signed-off-by: Paul Burton > Signed-off-by: Dragan Mladjenovic > > diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c > index bb43bf850314..a66e7705315d 100644 > --- a/arch/mips/kernel/proc.c > +++ b/arch/mips/kernel/proc.c > @@ -12,6 +12,7 @@ > #include > #include > #include > +#include > #include > #include > #include > @@ -282,6 +283,8 @@ static int show_cpuinfo(struct seq_file *m, void *v) > seq_printf(m, "kscratch registers\t: %d\n", > hweight8(cpu_data[n].kscratch_mask)); > seq_printf(m, "package\t\t\t: %d\n", cpu_data[n].package); > + if (mips_cm_revision() >= CM_REV_CM3_5) > + seq_printf(m, "cluster\t\t\t: %d\n", cpu_cluster(&cpu_data[n])); > seq_printf(m, "core\t\t\t: %d\n", cpu_core(&cpu_data[n])); > > #if defined(CONFIG_MIPS_MT_SMP) || defined(CONFIG_CPU_MIPSR6) This will break userspace. Please don't do that. M. -- Without deviation from the norm, progress is not possible.