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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,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 CF615C2D0DB for ; Fri, 24 Jan 2020 11:39:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 93005206D4 for ; Fri, 24 Jan 2020 11:39:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579865941; bh=AWANv358SCCe+zsonAa1awzaNFZZS6khwqstwCg5sCA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=wKT89h4Y6oar/EEDLs3fFskyYIJhztXecB97Gr0PMAhj7oeqk/xhjhsqI9mUXOzQa 5sSkdqMYbIvax4UAhBiK/WcC/eJkp0AkE+VWzhGmQa2HObBddT3ifIus2i2npTrWd4 Ui3RCa+DqvBJfftVMYBzLfg2uvUvRpJuVBFJadAc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2403816AbgAXL1N (ORCPT ); Fri, 24 Jan 2020 06:27:13 -0500 Received: from mail.kernel.org ([198.145.29.99]:42430 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2391619AbgAXL1G (ORCPT ); Fri, 24 Jan 2020 06:27:06 -0500 Received: from localhost (ip-213-127-102-57.ip.prioritytelecom.net [213.127.102.57]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C64772075D; Fri, 24 Jan 2020 11:27:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579865226; bh=AWANv358SCCe+zsonAa1awzaNFZZS6khwqstwCg5sCA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Iim5cYshtLJ2Dtoe2ZCRn+UhT9WeCRf0dpCUt682fgmy/xIJX6FC01gNU4n+3LF2u QZBXRaD1F/z4CAjLOl9Pa1+RwwGocW3CcX9Dhi6p4Qexfr+EbFrqPHKqWNHnjK1KYm ZkCjYN5Rq3eExmk3AA9bkfd7uFMzuZbax2F1h8eE= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Thomas Gleixner , "Peter Zijlstra (Intel)" , Sasha Levin Subject: [PATCH 4.19 488/639] x86/kgbd: Use NMI_VECTOR not APIC_DM_NMI Date: Fri, 24 Jan 2020 10:30:58 +0100 Message-Id: <20200124093149.844652070@linuxfoundation.org> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200124093047.008739095@linuxfoundation.org> References: <20200124093047.008739095@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Thomas Gleixner [ Upstream commit 2591bc4e8d70b4e1330d327fb7e3921f4e070a51 ] apic->send_IPI_allbutself() takes a vector number as argument. APIC_DM_NMI is clearly not a vector number. It's defined to 0x400 which is outside the vector space. Use NMI_VECTOR instead as that's what it is intended to be. Fixes: 82da3ff89dc2 ("x86: kgdb support") Signed-off-by: Thomas Gleixner Acked-by: Peter Zijlstra (Intel) Link: https://lkml.kernel.org/r/20190722105218.855189979@linutronix.de Signed-off-by: Sasha Levin --- arch/x86/kernel/kgdb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c index 8e36f249646e2..904e18bb38c52 100644 --- a/arch/x86/kernel/kgdb.c +++ b/arch/x86/kernel/kgdb.c @@ -438,7 +438,7 @@ static void kgdb_disable_hw_debug(struct pt_regs *regs) */ void kgdb_roundup_cpus(unsigned long flags) { - apic->send_IPI_allbutself(APIC_DM_NMI); + apic->send_IPI_allbutself(NMI_VECTOR); } #endif -- 2.20.1