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=-8.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,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 A4001C43219 for ; Tue, 30 Apr 2019 22:39:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 711E52087B for ; Tue, 30 Apr 2019 22:39:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="OIvXEuVL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727463AbfD3WjN (ORCPT ); Tue, 30 Apr 2019 18:39:13 -0400 Received: from mail-pf1-f195.google.com ([209.85.210.195]:37874 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726056AbfD3WjM (ORCPT ); Tue, 30 Apr 2019 18:39:12 -0400 Received: by mail-pf1-f195.google.com with SMTP id g3so7782205pfi.4 for ; Tue, 30 Apr 2019 15:39:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=BH4bZIoYFh+BZeuStnVh4oqr1cPMGw3OERKeRDVWU08=; b=OIvXEuVL9Uv69bTytaoqWmRftzsJ4wBG0LYBtrjl6WnOblUu05EIVX+NHm/lpilCno b8WwUWIF6x5Y5G/SSCjGEMqDKPGlKEZMGXBBBF80JQyvCTKr8gQzEQZB2W+FcfO52KvM L+DuKuA9cl2LR6x7m6FHyKYx+V4h8AroJ0Ujg0oTX0Kkw6QS8Xv03E87GIYi+y9oD5IF qrmZcI3U9V0KNFOki8GtqaWJf4h9sBQftWmZoOmpXF4xSfBaq13Seoh3hKAvA2fkr4Ok nKIqrp/xeB9s/o9e3lQYdu3KJuP3kwAHvJ7sGZnxhUefsNaSl0uKEikSsP5Fnvzs04qy PV4w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=BH4bZIoYFh+BZeuStnVh4oqr1cPMGw3OERKeRDVWU08=; b=U6sjPLTWxN5FEsrKl3+Zyx4wxGgYgBJCDgyjMIpbjLM+vLOK39+ZKTzCpL62ofBmdJ RyLDMeUGmRP1i1IpUwMH+00EJWVE2U462VHGPjRLHTmJJVBxW727dBPrGO7QFmS8iHD1 JDGY/YK3Wh+SusMQmmObiunemAic8Zf/sSQWHYy5Sjy9xMRwTqAngs9Q5saXdenoGMKL gvCwCCM7tqVofAyTWIU5qpNdxrOgVuHh6Q1l8ycIETmMtVNoI+H//GomEIsP07N9U2vo YqAEiDVPvytovoTux/iWBJL7jv64tOiPmFy3nI5j119x4Gt6hFILZBGzOJ7NKXOrdZSt WHaw== X-Gm-Message-State: APjAAAVuEWvc8EQXRiYOe+EUjgPgE3gh4Tz/elNuLFQpxAChSBkrK3/M TfD9NhbpKxLWFOthvApHqNY= X-Google-Smtp-Source: APXvYqzWZUGXQC0CYwvVzbYHuPdpj3mWL11+509Lnrq/yd2kilWOvzRF3C9VoPDJB+A8UsYHCaEfIA== X-Received: by 2002:a63:4c1a:: with SMTP id z26mr53118353pga.324.1556663951853; Tue, 30 Apr 2019 15:39:11 -0700 (PDT) Received: from fainelli-desktop.igp.broadcom.net ([192.19.223.250]) by smtp.gmail.com with ESMTPSA id c28sm27788476pgm.42.2019.04.30.15.39.10 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 30 Apr 2019 15:39:10 -0700 (PDT) From: Florian Fainelli To: linux-arm-kernel@lists.infradead.org Cc: rmk+kernel@armlinux.org.uk, Florian Fainelli , Catalin Marinas , Will Deacon , Ard Biesheuvel , Marc Zyngier , Julien Thierry , Suzuki K Poulose , Sudeep Holla , Rob Herring , Steve Capper , Lorenzo Pieralisi , Daniel Thompson , linux-kernel@vger.kernel.org (open list) Subject: [PATCH] arm64: Demote boot and shutdown messages to pr_debug Date: Tue, 30 Apr 2019 15:38:31 -0700 Message-Id: <20190430223835.23513-1-f.fainelli@gmail.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Similar to commits c68b0274fb3cf ("ARM: reduce "Booted secondary processor" message to debug level") and 035e787543de7 ("ARM: 8644/1: Reduce "CPU: shutdown" message to debug level"), demote the secondary_start_kernel() and __cpu_die() messages from info, respectively notice to debug. While we are at it, also do this for cpu_psci_cpu_kill() which is redundant with __cpu_die(). This helps improve the amount of possible hotplug cycles by around +50% on ARCH_BRCMSTB. Signed-off-by: Florian Fainelli --- arch/arm64/kernel/psci.c | 2 +- arch/arm64/kernel/smp.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm64/kernel/psci.c b/arch/arm64/kernel/psci.c index 8cdaf25e99cd..a78581046c80 100644 --- a/arch/arm64/kernel/psci.c +++ b/arch/arm64/kernel/psci.c @@ -96,7 +96,7 @@ static int cpu_psci_cpu_kill(unsigned int cpu) for (i = 0; i < 10; i++) { err = psci_ops.affinity_info(cpu_logical_map(cpu), 0); if (err == PSCI_0_2_AFFINITY_LEVEL_OFF) { - pr_info("CPU%d killed.\n", cpu); + pr_debug("CPU%d killed.\n", cpu); return 0; } diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index 824de7038967..71fd2b5a3f0e 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -259,7 +259,7 @@ asmlinkage notrace void secondary_start_kernel(void) * the CPU migration code to notice that the CPU is online * before we continue. */ - pr_info("CPU%u: Booted secondary processor 0x%010lx [0x%08x]\n", + pr_debug("CPU%u: Booted secondary processor 0x%010lx [0x%08x]\n", cpu, (unsigned long)mpidr, read_cpuid_id()); update_cpu_boot_status(CPU_BOOT_SUCCESS); @@ -348,7 +348,7 @@ void __cpu_die(unsigned int cpu) pr_crit("CPU%u: cpu didn't die\n", cpu); return; } - pr_notice("CPU%u: shutdown\n", cpu); + pr_debug("CPU%u: shutdown\n", cpu); /* * Now that the dying CPU is beyond the point of no return w.r.t. -- 2.17.1