From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 856C3C3A5A0 for ; Mon, 19 Aug 2019 13:10:47 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 584732087B for ; Mon, 19 Aug 2019 13:10:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="UNrAJdf+"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="UkQSMChY" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 584732087B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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:References:In-Reply-To: Message-Id:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=10OCPMOA2o3W2wx/b1xYZ5pzCJdf4EMIB3d/n0E+9oM=; b=UNrAJdf+BMz8Qp asHnONvoqDWNJodLRX/+Xvte6xDG6tZAgAwrMCuzVq3h0f4fJkZ5R8fjsXTVTUvSqagic2PlTK1hU g84NMGLVeNkNipAzD6DF8pRV+hzVU8dDiysq1tZYxDJpqmLUBcZ3mqpCu0S7HHKGVrK26/dhXRyEW W9LCiaXZBWtolS4NM9MVxo3VQEm8uiRgKn0QDc2rjcCy8TsmpY74P9oFxvcNqKZU/FoRcZlVz+qUp WYdIy6wMgEWSIVLTNut3xJ9q3lX5Rr7AQYqKeI+OzVbXiLiXxTFJ8tOVL6UN8FvjOM3UVY85SXcs5 ftQAJhXrW98axRmUbntg==; 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 1hzhQj-0006HN-FX; Mon, 19 Aug 2019 13:10:37 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hzhQg-0006H0-0y for linux-arm-kernel@lists.infradead.org; Mon, 19 Aug 2019 13:10:35 +0000 Received: from devnote2 (NE2965lan1.rev.em-net.ne.jp [210.141.244.193]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E4C0720843; Mon, 19 Aug 2019 13:10:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566220233; bh=PJHIGkjFrjMv2g1mzBGACXVcW/F4cLU5JiDCgRCUXCo=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=UkQSMChYpShwjEp4bEaTD1kbTW5hoXNhrQj46VtSTrE5YdDfAGS3Km6LZy/tDZ5B1 jRBpK6HghPF9YU0BlKsLvr7a3SNfeKNsGQuQB6GNzQsvivc7NmifG3PIcTPmJKgHFe 7xsR0jUALLR9fLOBFycO7K9i5zn5dFCsGiclYMZg= Date: Mon, 19 Aug 2019 22:10:27 +0900 From: Masami Hiramatsu To: Jisheng Zhang Subject: Re: [PATCH 0/4] arm64: KPROBES_ON_FTRACE Message-Id: <20190819221027.80cb13a596c5c21fdbee79ff@kernel.org> In-Reply-To: <20190819192422.5ed79702@xhacker.debian> References: <20190819192422.5ed79702@xhacker.debian> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.32; x86_64-pc-linux-gnu) Mime-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190819_061034_083590_BD66AD56 X-CRM114-Status: GOOD ( 12.74 ) 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: Catalin Marinas , "x86@kernel.org" , "linux-kernel@vger.kernel.org" , Anil S Keshavamurthy , Ingo Molnar , Borislav Petkov , Steven Rostedt , "H. Peter Anvin" , "Naveen N. Rao" , Thomas Gleixner , Will Deacon , "David S. Miller" , "linux-arm-kernel@lists.infradead.org" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Jisheng, On Mon, 19 Aug 2019 11:35:27 +0000 Jisheng Zhang wrote: > Implement KPROBES_ON_FTRACE for arm64. > > Applied after FTRACE_WITH_REGS: > http://lists.infradead.org/pipermail/linux-arm-kernel/2019-August/674404.html Looks interesting! thanks for working on it. I'll check it. Thanks, > > 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 > > -- > 2.23.0.rc1 > -- Masami Hiramatsu _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel