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Mon, 19 Aug 2019 11:26:41 +0000 From: Jisheng Zhang To: Catalin Marinas , Will Deacon , Steven Rostedt , Mark Rutland CC: "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , Torsten Duwe Subject: [PATCH 0/3] arm64: ftrace with regs Thread-Topic: [PATCH 0/3] arm64: ftrace with regs Thread-Index: AQHVVoD4VpB1/EZ1uky0DPE7ud1sNA== Date: Mon, 19 Aug 2019 11:26:40 +0000 Message-ID: <20190819191530.0f47b9b1@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: TY2PR0101CA0027.apcprd01.prod.exchangelabs.com (2603:1096:404:8000::13) 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: 7e5c8f0f-9a0b-409e-7886-08d724981b0c x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(2017052603328)(7193020);SRVR:BYAPR03MB3528; 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charset="us-ascii" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: synaptics.com X-MS-Exchange-CrossTenant-Network-Message-Id: 7e5c8f0f-9a0b-409e-7886-08d724981b0c X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Aug 2019 11:26:40.7523 (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: n1zEDcvVY9jeOHkMfEVjAtZCMULc/IN/Fm/t/rbHpMpvM4tcrGcmu4g0L+wC4vjrxFAoNqLLBcEOYgU8jrBhBw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR03MB3528 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Try to make the arm64 ftrace with regs merged. The later two patches are from Torsten. The whole series applies cleanly on v5.3-rc5 Jisheng Zhang (1): ftrace: introdue ftrace_call_init Torsten Duwe (2): arm64: implement ftrace with regs arm64: use -fpatchable-function-entry if available arch/arm64/Kconfig | 2 + arch/arm64/Makefile | 5 ++ arch/arm64/include/asm/ftrace.h | 12 ++- arch/arm64/include/asm/module.h | 3 +- arch/arm64/kernel/entry-ftrace.S | 125 ++++++++++++++++++++++++++-- arch/arm64/kernel/ftrace.c | 138 +++++++++++++++++++++++-------- arch/arm64/kernel/module-plts.c | 3 +- arch/arm64/kernel/module.c | 2 +- include/linux/ftrace.h | 1 + kernel/module.c | 7 +- kernel/trace/ftrace.c | 4 + 11 files changed, 257 insertions(+), 45 deletions(-) --=20 2.23.0.rc1