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 781C8C43441 for ; Thu, 22 Nov 2018 19:58:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 23355208E3 for ; Thu, 22 Nov 2018 19:58:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="DbQSPHXe" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 23355208E3 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 S2407464AbeKWGjI (ORCPT ); Fri, 23 Nov 2018 01:39:08 -0500 Received: from mail.kernel.org ([198.145.29.99]:37440 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2392612AbeKWGjH (ORCPT ); Fri, 23 Nov 2018 01:39:07 -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 B30E920892; Thu, 22 Nov 2018 19:58:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1542916694; bh=cwX8T2UuizqYn/t/ShPVi15m5tmnVm++uYm1cOHkMGI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DbQSPHXecwMfe9IWIYjisILqlhxhO9+om+r6ElQ1rpSsNdiDDO6X/YSx97ciTr8yO aBJVRBosa9CJ3Mj7dMrUhvjhztpXPtpNW8PzMY+DpRYyJ9QywuzbLY4doyhs9Rn3Y0 zoqdad1hnUAWAbxnfcIQXdr0GHM3lVrFGDD+KJvA= 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 3.18 6/7] powerpc/numa: Suppress "VPHN is not supported" messages Date: Thu, 22 Nov 2018 14:57:48 -0500 Message-Id: <20181122195749.14086-6-sashal@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20181122195749.14086-1-sashal@kernel.org> References: <20181122195749.14086-1-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 b9d1dfdbe5bb..ae9d3bf79612 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -1479,7 +1479,7 @@ 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