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=-2.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, USER_AGENT_MUTT autolearn=ham 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 BC01EC43381 for ; Mon, 18 Mar 2019 14:57:33 +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 8B91B20872 for ; Mon, 18 Mar 2019 14:57:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="bPU8UPBP" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8B91B20872 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com 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:In-Reply-To:MIME-Version:References: 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=aKLt+2Ow9GokpqyuUKaI3TVUbXODSLA/NhwonL9WQ20=; b=bPU8UPBPBarN8n d4yLCpNRXdMrZa7RwfrbsvtPtnVEhAHNUacrs2o2fZXCzCE1EwUdzwljih5VJ4QY+G/Q2rHbtgibw a4FpeDIyWd9S+B4nmXK49UZS9lZ/KmguESl30CbwEeXRUSjXtsr1TSQPw8DQJzH4+lTWkGCbXPdsM NI23GlDUDv+UhERg/3Qc1lsQmCl8pdlnljbJ/T7lAHPRm8+BMZkohCcyXm9lakZKlJHf30aK67eMf R6FKXlcj1kz4Z8Wt0DpeAP5h3Rf1/dV00X+lhwhRKgbWral08AJdJ2bf4rEnpHIMTjxIANAJQJS8n ca3gQ69ffGq0gD0h8syg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1h5thg-0008Uf-EB; Mon, 18 Mar 2019 14:57:28 +0000 Received: from foss.arm.com ([217.140.101.70]) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1h5thc-0008UK-Ty for linux-arm-kernel@lists.infradead.org; Mon, 18 Mar 2019 14:57:26 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 8C6701650; Mon, 18 Mar 2019 07:57:24 -0700 (PDT) Received: from e107155-lin (e107155-lin.cambridge.arm.com [10.1.196.42]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 98E1E3F59C; Mon, 18 Mar 2019 07:57:21 -0700 (PDT) Date: Mon, 18 Mar 2019 14:57:19 +0000 From: Sudeep Holla To: "Dmitry V. Levin" Subject: Re: [PATCH v2 2/6] ptrace: introduce ptrace_syscall_enter to consolidate PTRACE_SYSEMU handling Message-ID: <20190318145719.GB18196@e107155-lin> References: <20190318104925.16600-1-sudeep.holla@arm.com> <20190318104925.16600-3-sudeep.holla@arm.com> <20190318144115.GC27941@altlinux.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190318144115.GC27941@altlinux.org> User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190318_075724_972030_47973405 X-CRM114-Status: GOOD ( 12.82 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Haibo Xu , Steve Capper , Catalin Marinas , jdike@addtoit.com, x86@kernel.org, Will Deacon , linux-kernel@vger.kernel.org, Oleg Nesterov , Richard Weinberger , Ingo Molnar , Paul Mackerras , Andy Lutomirski , Michael Ellerman , Thomas Gleixner , Bin Lu , linuxppc-dev@lists.ozlabs.org, 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 On Mon, Mar 18, 2019 at 05:41:15PM +0300, Dmitry V. Levin wrote: > On Mon, Mar 18, 2019 at 10:49:21AM +0000, Sudeep Holla wrote: > > Currently each architecture handles PTRACE_SYSEMU in very similar way. > > It's completely arch independent and can be handled in the code helping > > to consolidate PTRACE_SYSEMU handling. > > > > Let's introduce a hook 'ptrace_syscall_enter' that arch specific syscall > > entry code can call. > > Sorry if I'm late for the party, but the new name looks confusing. > If all it does is related to TIF_SYSCALL_EMU, why does it have a generic > name 'ptrace_syscall_enter' without any hint of being specific to > TIF_SYSCALL_EMU? > Not at all late. Infact Haibo Xu pointed that out, I updated but somehow missed to commit and lost those changes. I will rename as ptrace_sysemu_syscall_enter -- Regards, Sudeep _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel