From patchwork Mon Aug 6 13:27:03 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mihai Caraman X-Patchwork-Id: 175352 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 B7A3B2C033D for ; Mon, 6 Aug 2012 23:27:37 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755874Ab2HFN13 (ORCPT ); Mon, 6 Aug 2012 09:27:29 -0400 Received: from ch1ehsobe004.messaging.microsoft.com ([216.32.181.184]:37195 "EHLO ch1outboundpool.messaging.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754468Ab2HFN10 (ORCPT ); Mon, 6 Aug 2012 09:27:26 -0400 Received: from mail7-ch1-R.bigfish.com (10.43.68.250) by CH1EHSOBE003.bigfish.com (10.43.70.53) with Microsoft SMTP Server id 14.1.225.23; Mon, 6 Aug 2012 13:27:25 +0000 Received: from mail7-ch1 (localhost [127.0.0.1]) by mail7-ch1-R.bigfish.com (Postfix) with ESMTP id 9E4861601B3; Mon, 6 Aug 2012 13:27:25 +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 mail7-ch1 (localhost.localdomain [127.0.0.1]) by mail7-ch1 (MessageSwitch) id 1344259643366944_30666; Mon, 6 Aug 2012 13:27:23 +0000 (UTC) Received: from CH1EHSMHS019.bigfish.com (snatpool1.int.messaging.microsoft.com [10.43.68.254]) by mail7-ch1.bigfish.com (Postfix) with ESMTP id 559634C0062; Mon, 6 Aug 2012 13:27:23 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by CH1EHSMHS019.bigfish.com (10.43.70.19) with Microsoft SMTP Server (TLS) id 14.1.225.23; Mon, 6 Aug 2012 13:27:22 +0000 Received: from az84smr01.freescale.net (10.64.34.197) by 039-SN1MMR1-004.039d.mgd.msft.net (10.84.1.14) with Microsoft SMTP Server (TLS) id 14.2.298.5; Mon, 6 Aug 2012 08:27:21 -0500 Received: from mcaraman-VirtualBox.ea.freescale.net ([10.213.130.145]) by az84smr01.freescale.net (8.14.3/8.14.0) with ESMTP id q76DRKod014477; Mon, 6 Aug 2012 06:27:20 -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 q76DRHxK031207; Mon, 6 Aug 2012 16:27:17 +0300 Received: (from mcaraman@localhost) by mcaraman-VirtualBox.ea.freescale.net (8.14.4/8.14.4/Submit) id q76DRHOX031206; Mon, 6 Aug 2012 16:27:17 +0300 From: Mihai Caraman To: CC: , , Mihai Caraman Subject: [PATCH 1/6] powerpc/booke64: fix machine check handler to use the right prolog Date: Mon, 6 Aug 2012 16:27:03 +0300 Message-ID: <1344259628-31161-2-git-send-email-mihai.caraman@freescale.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1344259628-31161-1-git-send-email-mihai.caraman@freescale.com> References: <1344259628-31161-1-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 98be7f0..0243b1b 100644 --- a/arch/powerpc/kernel/exceptions-64e.S +++ b/arch/powerpc/kernel/exceptions-64e.S @@ -297,7 +297,7 @@ 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