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=-10.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 7784EC43610 for ; Thu, 22 Nov 2018 19:57:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2C09120892 for ; Thu, 22 Nov 2018 19:57:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="x4SSq3J+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2C09120892 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2407372AbeKWGij (ORCPT ); Fri, 23 Nov 2018 01:38:39 -0500 Received: from mail.kernel.org ([198.145.29.99]:37094 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2407359AbeKWGii (ORCPT ); Fri, 23 Nov 2018 01:38:38 -0500 Received: from sasha-vm.mshome.net (unknown [37.142.5.207]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E60E120870; Thu, 22 Nov 2018 19:57:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1542916665; bh=OaGvMOuFWrzD9x3+XaEjkkICGz/i1v+qcchw5RSG9gw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=x4SSq3J+haaMU2AirnMoa6vXu9L2GATUEy/kBoej8yVbLJww0xnmdpumcFz3MCki0 BCvzL/LxlzYPI9O6KijK7BBNkp32nO5bH65Lt6V3cGxiGrkEQq5At7KWd0Q7ZM1be8 LF838me34+Y4o9glh0T9JzDEQcLDzKkK/Hwv/h5U= From: Sasha Levin To: stable@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Satheesh Rajendran , Michael Ellerman , Sasha Levin , linuxppc-dev@lists.ozlabs.org Subject: [PATCH AUTOSEL 4.4 7/8] powerpc/numa: Suppress "VPHN is not supported" messages Date: Thu, 22 Nov 2018 14:57:14 -0500 Message-Id: <20181122195716.13961-7-sashal@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20181122195716.13961-1-sashal@kernel.org> References: <20181122195716.13961-1-sashal@kernel.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Satheesh Rajendran [ Upstream commit 437ccdc8ce629470babdda1a7086e2f477048cbd ] When VPHN function is not supported and during cpu hotplug event, kernel prints message 'VPHN function not supported. Disabling polling...'. Currently it prints on every hotplug event, it floods dmesg when a KVM guest tries to hotplug huge number of vcpus, let's just print once and suppress further kernel prints. Signed-off-by: Satheesh Rajendran Signed-off-by: Michael Ellerman Signed-off-by: Sasha Levin --- arch/powerpc/mm/numa.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 3c4faa4c2742..bb3df222ae71 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -1319,7 +1319,7 @@ static long vphn_get_associativity(unsigned long cpu, switch (rc) { case H_FUNCTION: - printk(KERN_INFO + printk_once(KERN_INFO "VPHN is not supported. Disabling polling...\n"); stop_topology_update(); break; -- 2.17.1