From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (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 3sMnRR3FZqzDsTf for ; Mon, 29 Aug 2016 07:07:31 +1000 (AEST) Received: from pps.filterd (m0098393.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.11/8.16.0.11) with SMTP id u7SL4C8x080862 for ; Sun, 28 Aug 2016 17:07:29 -0400 Received: from e28smtp05.in.ibm.com (e28smtp05.in.ibm.com [125.16.236.5]) by mx0a-001b2d01.pphosted.com with ESMTP id 2533rk5upy-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Sun, 28 Aug 2016 17:07:29 -0400 Received: from localhost by e28smtp05.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 29 Aug 2016 02:37:26 +0530 Received: from d28relay02.in.ibm.com (d28relay02.in.ibm.com [9.184.220.59]) by d28dlp03.in.ibm.com (Postfix) with ESMTP id E3714125805B for ; Mon, 29 Aug 2016 02:37:23 +0530 (IST) Received: from d28av01.in.ibm.com (d28av01.in.ibm.com [9.184.220.63]) by d28relay02.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u7SL6jHc18415776 for ; Mon, 29 Aug 2016 02:37:22 +0530 Received: from d28av01.in.ibm.com (localhost [127.0.0.1]) by d28av01.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u7SL1Irm004966 for ; Mon, 29 Aug 2016 02:31:21 +0530 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 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> Message-Id: <1472418058-28659-3-git-send-email-maddy@linux.vnet.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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