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,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 F40C8C43441 for ; Thu, 22 Nov 2018 19:57:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A6EA120878 for ; Thu, 22 Nov 2018 19:57:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="xkFIwDph" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A6EA120878 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 S2407250AbeKWGiB (ORCPT ); Fri, 23 Nov 2018 01:38:01 -0500 Received: from mail.kernel.org ([198.145.29.99]:36552 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726692AbeKWGiA (ORCPT ); Fri, 23 Nov 2018 01:38:00 -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 2669720864; Thu, 22 Nov 2018 19:57:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1542916628; bh=vkg9Rs7IDZslIvZ393KDux7L5Di4aGU6prm4rbMe4mg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xkFIwDphao69H9cqfLJv0iuIMmiVMARqy+yln9ue51uDF2OfB8yYm0qyNyRc2eLRz TYQrLhz+WNFTsl8IqPjuLE6xydBN+w7VFyshQdyicUJLwOSR3e2Ax/fVBRg7/khlFc FqpfgKtYo9/7Ma7BtGkFz4IlR85Z4HRbOwHqzhdc= 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 4.9 13/15] powerpc/numa: Suppress "VPHN is not supported" messages Date: Thu, 22 Nov 2018 14:56:19 -0500 Message-Id: <20181122195621.13776-13-sashal@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20181122195621.13776-1-sashal@kernel.org> References: <20181122195621.13776-1-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 6cff96e0d77b..0ef83c274019 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -1289,7 +1289,7 @@ 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