From patchwork Mon Aug 19 11:35:27 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jisheng Zhang X-Patchwork-Id: 11100721 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 23BDF13B1 for ; Mon, 19 Aug 2019 11:35:34 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0771320CCF for ; Mon, 19 Aug 2019 11:35:34 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EE23827D0C; Mon, 19 Aug 2019 11:35:33 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 8C81120CCF for ; Mon, 19 Aug 2019 11:35:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Content-ID:Message-ID:Date :Subject:To:From:Reply-To:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=2g+A2SCoQ85N8IDbOODn5MkS0jAEUGf1eHnSml61AaA=; b=UFgfYF2bKX9PBw seVyxVHJQi+8R0Kxw+c+6Ws41E85PhUFQiaFJgOZmXHBscl9gW+5e9xSc/nRNfR/nNAMUMF6JPvSF j7O+QZFm1YFO+7ssUz8Ew7MtA23T2L3bzoQSR/yMD2zTA/uNxvp3lcp0X13Pahf0DTlLMGIY8/XzU QY4eXR4S/U8IkxZn9hyJbzPfVcEIP6oQ0UVroMqlcz2Aqe8E8itR+SFfe2vvrYxbphtRRkfGg9oSg 6lAa4cy48Un9MizIOBY5I1UiJQEF7o8FIDFyjaU414pEoHm8NTWJF4b7CYklLZBzK07Z35w3Ve56F Axc+px30cX7yvG0qNwow==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hzfwi-0004AN-7w; Mon, 19 Aug 2019 11:35:32 +0000 Received: from mail-eopbgr770043.outbound.protection.outlook.com ([40.107.77.43] helo=NAM02-SN1-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hzfwf-0004A5-S3 for linux-arm-kernel@lists.infradead.org; Mon, 19 Aug 2019 11:35:31 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=GGJfBOmtC7Z/vFhZhvpla7h4onVnrShExDunL/E7qz9fbHsSmMoj10wjZF8cv+ySpZI9jbdCMkCqon5Hkwr7fL5icAlgdaKhk746Zq4WR970fPhPJEIPd7dZwHs6HeuK/3FMzkpVEAJcAr2t7wkOS/o+G7f8H9sU1MXFGWwnd6meobxPEhFgxdoLryllWsrAVqP+pBUyerrZnEQZsO1a8vOnXmhLPSRYvVs3as95PM8rbCPDjjhQX9hSHGEA/QAFCMbWYl+w7vHStSLTRbTpd3niuM0Lbe0xLq8CE26gT4yQSjlF4JlObWM4c30alR4uEdIsoM2E8JyEWu05X3sQfA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=7JbyKdtNZqv9yjzLrTcjbpQLJyia6NyDOhKaTO8cMnI=; b=dhQ+HNyMcxLKKXuhrZEL0jDb+11j4yafnKABJxeN58NVtpyjRjWwnEKJi8Ho7nd48kCGQsbluyhZSz6p5q9qcg8Tuq6X4QBecMF/TPsxk2cNxwoqOwNEtwrkJIkPrJOkJOUsML9qylogRXe/H2J89qDv8GJEnD7Yt4sBACCXrLWGUM4aCeul1a9Zq49qb2fXdPgPX7ttMMk061QEeZjVNC9Oc4BfZE2rAE1PyBA3Y8HJHsOwolUlopNiyzY9u45yCTjz+nPq8ufyGvlO0rRsQlX28TOFXEZ3HWgMNT3sELUsYuC1moFnXp/k3nxMxCt15j/Qj7ql3fGQ+yYyzknYDA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=synaptics.com; dmarc=pass action=none header.from=synaptics.com; dkim=pass header.d=synaptics.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Synaptics.onmicrosoft.com; s=selector2-Synaptics-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=7JbyKdtNZqv9yjzLrTcjbpQLJyia6NyDOhKaTO8cMnI=; b=Mmt7EJATpMv+kV0mngJe4TgOP+7tp8UJhsjT6C6n9pxGgrGUANiCF/3zI0Ms0xKcoudpKQFiypk4ZZHmFAn6mi/Iaqcd/hw8fDIDkqtAhdjhpfYL4OWnQrR4QkmbD/nsrQI4fmFLKhutGjl1+/VVUrrbmegoa5OCx/yp5oIXOyk= Received: from BYAPR03MB4773.namprd03.prod.outlook.com (20.179.92.152) by BYAPR03MB4838.namprd03.prod.outlook.com (20.179.93.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2178.16; Mon, 19 Aug 2019 11:35:27 +0000 Received: from BYAPR03MB4773.namprd03.prod.outlook.com ([fe80::a517:3578:67bf:6c88]) by BYAPR03MB4773.namprd03.prod.outlook.com ([fe80::a517:3578:67bf:6c88%7]) with mapi id 15.20.2157.022; Mon, 19 Aug 2019 11:35:27 +0000 From: Jisheng Zhang To: Catalin Marinas , Will Deacon , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Masami Hiramatsu , "David S. Miller" , Anil S Keshavamurthy , "Naveen N. Rao" , Steven Rostedt Subject: [PATCH 0/4] arm64: KPROBES_ON_FTRACE Thread-Topic: [PATCH 0/4] arm64: KPROBES_ON_FTRACE Thread-Index: AQHVVoIyGL65+CBfE0+6kLLVriVa9w== Date: Mon, 19 Aug 2019 11:35:27 +0000 Message-ID: <20190819192422.5ed79702@xhacker.debian> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [124.74.246.114] x-clientproxiedby: TY1PR01CA0135.jpnprd01.prod.outlook.com (2603:1096:402:1::11) To BYAPR03MB4773.namprd03.prod.outlook.com (2603:10b6:a03:134::24) authentication-results: spf=none (sender IP is ) smtp.mailfrom=Jisheng.Zhang@synaptics.com; x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 05825207-6d93-44d5-e074-08d7249954c7 x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(2017052603328)(7193020); SRVR:BYAPR03MB4838; x-ms-traffictypediagnostic: BYAPR03MB4838: x-ms-exchange-purlcount: 1 x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:3631; x-forefront-prvs: 0134AD334F x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(39860400002)(136003)(396003)(376002)(346002)(366004)(189003)(199004)(316002)(50226002)(7416002)(52116002)(99286004)(6486002)(478600001)(2906002)(66066001)(966005)(71200400001)(54906003)(86362001)(14454004)(3846002)(5660300002)(71190400001)(110136005)(4744005)(8936002)(6436002)(66946007)(305945005)(81156014)(66446008)(64756008)(81166006)(66556008)(66476007)(8676002)(6116002)(7736002)(186003)(102836004)(1076003)(26005)(6512007)(9686003)(53936002)(486006)(6506007)(386003)(476003)(6306002)(256004)(25786009)(4326008)(921003)(1121003)(39210200001); DIR:OUT; SFP:1101; SCL:1; SRVR:BYAPR03MB4838; H:BYAPR03MB4773.namprd03.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:0; received-spf: None (protection.outlook.com: synaptics.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: zg6FCPvuIwFNo9vuVFyb5l9pQStiOEsSDynFSnptMlF7ncRFj072T28zTEKwxniDgMIl0HWak4oK714Q0mJG7beYprKhWDVNiE6ymgBpdHGs0vfz8jEzSa0GBnWkR3dJc7oWKno1dLOR3e9OWZlNXA5GNDfA+j6IPZwfHt3j6jVkOx+A7L+OJTJ8FNCy5a80A/62f6lcfcdVu7IrXydERmkfbfHUJau1paH8xBLwHjJn6XW8/eGGxl0zKQCB/Q9BDay6y1WsanqUGpBiA6cwLbd1yKk8YZwM4agDHlRPcsl/e84VJ/1xPW4gFZEzUL6uo7caz5zto1mv27fKRcqRI4JhplH8DGVKe8Yg1E4PBq3UJ4gZCJxNhyZM5DCYGgna4aqP8SHi6Qvq3zEOKS8quHdGNNNDkB2gLcwRh0DDIIg= x-ms-exchange-transport-forked: True Content-ID: MIME-Version: 1.0 X-OriginatorOrg: synaptics.com X-MS-Exchange-CrossTenant-Network-Message-Id: 05825207-6d93-44d5-e074-08d7249954c7 X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Aug 2019 11:35:27.0274 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 335d1fbc-2124-4173-9863-17e7051a2a0e X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: PTzwaOTANhr7xVuqhe02pSkZWJeCP09hO/XVE335DV32OtdZ+n4jBXdQLn54nqQVobS/1AWzSM6ymk6TSeHN7Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR03MB4838 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190819_043529_915099_ECE75CEA X-CRM114-Status: UNSURE ( 8.30 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "x86@kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Implement KPROBES_ON_FTRACE for arm64. Applied after FTRACE_WITH_REGS: http://lists.infradead.org/pipermail/linux-arm-kernel/2019-August/674404.html Jisheng Zhang (4): kprobes: adjust kprobe addr for KPROBES_ON_FTRACE kprobes/x86: use instruction_pointer and instruction_pointer_set kprobes: move kprobe_ftrace_handler() from x86 and make it weak arm64: implement KPROBES_ON_FTRACE arch/arm64/Kconfig | 1 + arch/arm64/kernel/probes/Makefile | 1 + arch/arm64/kernel/probes/ftrace.c | 16 +++++++++++ arch/x86/kernel/kprobes/ftrace.c | 43 ---------------------------- kernel/kprobes.c | 47 +++++++++++++++++++++++++++++++ 5 files changed, 65 insertions(+), 43 deletions(-) create mode 100644 arch/arm64/kernel/probes/ftrace.c