From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756120AbcH1VBo (ORCPT ); Sun, 28 Aug 2016 17:01:44 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:34027 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755862AbcH1VBb (ORCPT ); Sun, 28 Aug 2016 17:01:31 -0400 X-IBM-Helo: d28dlp02.in.ibm.com X-IBM-MailFrom: maddy@linux.vnet.ibm.com X-IBM-RcptTo: linux-kernel@vger.kernel.org From: Madhavan Srinivasan To: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Cc: Madhavan Srinivasan , Thomas Gleixner , Ingo Molnar , Peter Zijlstra , Jiri Olsa , Arnaldo Carvalho de Melo , Stephane Eranian , Russell King , Catalin Marinas , Will Deacon , Benjamin Herrenschmidt , Michael Ellerman , Sukadev Bhattiprolu Subject: [PATCH 02/13] perf/core: Extend perf_sample_regs_intr() to include perf_arch_regs update Date: Mon, 29 Aug 2016 02:30:47 +0530 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1472418058-28659-1-git-send-email-maddy@linux.vnet.ibm.com> References: <1472418058-28659-1-git-send-email-maddy@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16082821-0012-0000-0000-000002F9E88C X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16082821-0013-0000-0000-00001847619E Message-Id: <1472418058-28659-3-git-send-email-maddy@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2016-08-28_10:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 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-1608280206 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Extend perf_sample_regs_intr() to support the updates needed for perf_arch_reg structure and perf_arch_regs_mask. Also add code to init the arch_regs_mask to zero incase of regs_user in perf_sample_regs_user(). Ideally this should be done in perf_sample_data_init, but due to commit 2565711fb7d7 ("perf: Improve the perf_sample_data struct layout") moving it to this function. Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Peter Zijlstra Cc: Jiri Olsa Cc: Arnaldo Carvalho de Melo Cc: Stephane Eranian Cc: Russell King Cc: Catalin Marinas Cc: Will Deacon Cc: Benjamin Herrenschmidt Cc: Michael Ellerman Cc: Sukadev Bhattiprolu Signed-off-by: Madhavan Srinivasan --- kernel/events/core.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/kernel/events/core.c b/kernel/events/core.c index 2f6e6a16b117..8cf540275c34 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -5398,6 +5398,9 @@ static void perf_sample_regs_user(struct perf_regs *regs_user, regs_user->abi = PERF_SAMPLE_REGS_ABI_NONE; regs_user->regs = NULL; } + + /* Init arch_regs_mask to zero */ + regs_user->arch_regs_mask = 0; } static void perf_sample_regs_intr(struct perf_regs *regs_intr, @@ -5405,6 +5408,8 @@ static void perf_sample_regs_intr(struct perf_regs *regs_intr, { regs_intr->regs = regs; regs_intr->abi = perf_reg_abi(current); + regs_intr->arch_regs_mask = perf_get_arch_regs_mask(); + regs_intr->arch_regs = perf_get_arch_reg(); } -- 2.7.4