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=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 0C7DEC3A5A0 for ; Mon, 19 Aug 2019 13:10:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C4A042086C for ; Mon, 19 Aug 2019 13:10:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566220235; bh=PJHIGkjFrjMv2g1mzBGACXVcW/F4cLU5JiDCgRCUXCo=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=rQ5NQskaUQT6Xv2dO6Dylol6C1YRbzlM608gM+n2Rui7BDeeesJG09wF/rcm0c2hI aBX6X0Xn8kPI0h0sKzsaGuaByLtbzgkBUbqNfq2u9a07rJlrWtfVQhmynZHTn7NOTN tI1k7kBR15CFSzv4oe2LA+TC5Ke+7kcuESBh5cm0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727659AbfHSNKe (ORCPT ); Mon, 19 Aug 2019 09:10:34 -0400 Received: from mail.kernel.org ([198.145.29.99]:44084 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727301AbfHSNKe (ORCPT ); Mon, 19 Aug 2019 09:10:34 -0400 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 Cc: Catalin Marinas , Will Deacon , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , "David S. Miller" , Anil S Keshavamurthy , "Naveen N. Rao" , Steven Rostedt , "x86@kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" 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 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.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