From patchwork Mon Jun 25 12:26:29 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mihai Caraman X-Patchwork-Id: 167067 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id CB05610083F for ; Mon, 25 Jun 2012 22:27:00 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756430Ab2FYM0y (ORCPT ); Mon, 25 Jun 2012 08:26:54 -0400 Received: from db3ehsobe003.messaging.microsoft.com ([213.199.154.141]:24923 "EHLO db3outboundpool.messaging.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756414Ab2FYM0x (ORCPT ); Mon, 25 Jun 2012 08:26:53 -0400 Received: from mail24-db3-R.bigfish.com (10.3.81.245) by DB3EHSOBE001.bigfish.com (10.3.84.21) with Microsoft SMTP Server id 14.1.225.23; Mon, 25 Jun 2012 12:25:14 +0000 Received: from mail24-db3 (localhost [127.0.0.1]) by mail24-db3-R.bigfish.com (Postfix) with ESMTP id F0EC41C04C2; Mon, 25 Jun 2012 12:25:13 +0000 (UTC) X-Forefront-Antispam-Report: CIP:70.37.183.190; KIP:(null); UIP:(null); IPV:NLI; H:mail.freescale.net; RD:none; EFVD:NLI X-SpamScore: 0 X-BigFish: VS0(zzzz1202hzz8275bhz2dh2a8h668h839hd24he5bhf0ah) Received: from mail24-db3 (localhost.localdomain [127.0.0.1]) by mail24-db3 (MessageSwitch) id 1340627108684739_28930; Mon, 25 Jun 2012 12:25:08 +0000 (UTC) Received: from DB3EHSMHS008.bigfish.com (unknown [10.3.81.251]) by mail24-db3.bigfish.com (Postfix) with ESMTP id A51301E0047; Mon, 25 Jun 2012 12:25:08 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by DB3EHSMHS008.bigfish.com (10.3.87.108) with Microsoft SMTP Server (TLS) id 14.1.225.23; Mon, 25 Jun 2012 12:25:08 +0000 Received: from tx30smr01.am.freescale.net (10.81.153.31) by 039-SN1MMR1-002.039d.mgd.msft.net (10.84.1.15) with Microsoft SMTP Server (TLS) id 14.2.298.5; Mon, 25 Jun 2012 07:26:45 -0500 Received: from mcaraman-VirtualBox.ea.freescale.net ([10.213.130.145]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id q5PCQiQV003949; Mon, 25 Jun 2012 05:26:44 -0700 Received: from mcaraman-VirtualBox.ea.freescale.net (localhost [127.0.0.1]) by mcaraman-VirtualBox.ea.freescale.net (8.14.4/8.14.4/Debian-2ubuntu1) with ESMTP id q5PCQeJu011644; Mon, 25 Jun 2012 15:26:40 +0300 Received: (from mcaraman@localhost) by mcaraman-VirtualBox.ea.freescale.net (8.14.4/8.14.4/Submit) id q5PCQeAE011643; Mon, 25 Jun 2012 15:26:40 +0300 From: Mihai Caraman To: , , , CC: Mihai Caraman Subject: [RFC PATCH 11/17] PowerPC: booke64: Fix machine check handler to use the right prolog Date: Mon, 25 Jun 2012 15:26:29 +0300 Message-ID: <1340627195-11544-12-git-send-email-mihai.caraman@freescale.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1340627195-11544-1-git-send-email-mihai.caraman@freescale.com> References: <1340627195-11544-1-git-send-email-mihai.caraman@freescale.com> MIME-Version: 1.0 X-OriginatorOrg: freescale.net Sender: kvm-ppc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm-ppc@vger.kernel.org Machine check exception handler was using a wrong prolog. Hypervisors, like KVM, which are called early from the exception handler rely on the interrupt source. Signed-off-by: Mihai Caraman --- arch/powerpc/kernel/exceptions-64e.S | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S index 52aa96b..06f7aec 100644 --- a/arch/powerpc/kernel/exceptions-64e.S +++ b/arch/powerpc/kernel/exceptions-64e.S @@ -290,7 +290,7 @@ interrupt_end_book3e: /* Machine Check Interrupt */ START_EXCEPTION(machine_check); - CRIT_EXCEPTION_PROLOG(0x200, PROLOG_ADDITION_NONE) + MC_EXCEPTION_PROLOG(0x200, PROLOG_ADDITION_NONE) // EXCEPTION_COMMON(0x200, PACA_EXMC, INTS_DISABLE) // bl special_reg_save_mc // addi r3,r1,STACK_FRAME_OVERHEAD