From patchwork Wed Aug 17 03:43:05 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cyril Bur X-Patchwork-Id: 659883 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [103.22.144.68]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3sDb5534Yhz9sXx for ; Wed, 17 Aug 2016 13:56:41 +1000 (AEST) Received: from ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 3sDb552K2HzDsh9 for ; Wed, 17 Aug 2016 13:56:41 +1000 (AEST) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3sDZpZ0QzwzDr4l for ; Wed, 17 Aug 2016 13:44:05 +1000 (AEST) Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.11/8.16.0.11) with SMTP id u7H3i3rv107838 for ; Tue, 16 Aug 2016 23:44:03 -0400 Received: from e23smtp07.au.ibm.com (e23smtp07.au.ibm.com [202.81.31.140]) by mx0b-001b2d01.pphosted.com with ESMTP id 24tgpfj1fn-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Tue, 16 Aug 2016 23:44:03 -0400 Received: from localhost by e23smtp07.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Wed, 17 Aug 2016 13:43:52 +1000 X-IBM-Helo: d23dlp03.au.ibm.com X-IBM-MailFrom: cyrilbur@gmail.com X-IBM-RcptTo: linuxppc-dev@lists.ozlabs.org Received: from d23relay07.au.ibm.com (d23relay07.au.ibm.com [9.190.26.37]) by d23dlp03.au.ibm.com (Postfix) with ESMTP id AC89F3578057 for ; Wed, 17 Aug 2016 13:43:51 +1000 (EST) Received: from d23av02.au.ibm.com (d23av02.au.ibm.com [9.190.235.138]) by d23relay07.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u7H3hpB820512802 for ; Wed, 17 Aug 2016 13:43:51 +1000 Received: from d23av02.au.ibm.com (localhost [127.0.0.1]) by d23av02.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u7H3hpWp023480 for ; Wed, 17 Aug 2016 13:43:51 +1000 Received: from ozlabs.au.ibm.com (ozlabs.au.ibm.com [9.192.253.14]) by d23av02.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id u7H3hpu2023473; Wed, 17 Aug 2016 13:43:51 +1000 Received: from camb691.ozlabs.ibm.com (haven.au.ibm.com [9.192.254.114]) (using TLSv1.2 with cipher DHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ozlabs.au.ibm.com (Postfix) with ESMTPSA id C8D41A0216; Wed, 17 Aug 2016 13:43:50 +1000 (AEST) From: Cyril Bur To: linuxppc-dev@lists.ozlabs.org, wei.guo.simon@gmail.com Subject: [PATCH v3 03/21] powerpc: Add check_if_tm_restore_required() to giveup_all() Date: Wed, 17 Aug 2016 13:43:05 +1000 X-Mailer: git-send-email 2.9.3 In-Reply-To: <20160817034323.23053-1-cyrilbur@gmail.com> References: <20160817034323.23053-1-cyrilbur@gmail.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16081703-0044-0000-0000-000001CED5E1 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16081703-0045-0000-0000-00000555ABDA Message-Id: <20160817034323.23053-4-cyrilbur@gmail.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-08-17_02:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_spam_definite policy=outbound score=100 spamscore=100 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1604210000 definitions=main-1608170054 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mikey@neuling.org, anton@samba.org Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" giveup_all() causes FPU/VMX/VSX facilitities to be disabled in a threads MSR. If this thread was transactional this should be recorded as reclaiming/recheckpointing code will need to know. Fixes: c208505 ("powerpc: create giveup_all()") Signed-off-by: Cyril Bur --- arch/powerpc/kernel/process.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index cdf2d20..82308fd 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -445,6 +445,7 @@ void giveup_all(struct task_struct *tsk) return; msr_check_and_set(msr_all_available); + check_if_tm_restore_required(tsk); #ifdef CONFIG_PPC_FPU if (usermsr & MSR_FP)