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=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_PASS 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 EAA9FC43381 for ; Mon, 25 Mar 2019 12:17:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C5A902075E for ; Mon, 25 Mar 2019 12:17:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731172AbfCYMR6 (ORCPT ); Mon, 25 Mar 2019 08:17:58 -0400 Received: from vmicros1.altlinux.org ([194.107.17.57]:43428 "EHLO vmicros1.altlinux.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729280AbfCYMR5 (ORCPT ); Mon, 25 Mar 2019 08:17:57 -0400 Received: from mua.local.altlinux.org (mua.local.altlinux.org [192.168.1.14]) by vmicros1.altlinux.org (Postfix) with ESMTP id A276D72CCAC; Mon, 25 Mar 2019 15:17:54 +0300 (MSK) Received: by mua.local.altlinux.org (Postfix, from userid 508) id 8F0417CC74C; Mon, 25 Mar 2019 15:17:54 +0300 (MSK) Date: Mon, 25 Mar 2019 15:17:54 +0300 From: "Dmitry V. Levin" To: Guo Ren Cc: arnd@arndb.de, linux-arch@vger.kernel.org, strace-devel@lists.strace.io, linux-kernel@vger.kernel.org, ren_guo@c-sky.com Subject: Re: [PATCH] csky: Update syscall_trace_enter/exit implementation Message-ID: <20190325121754.GB19244@altlinux.org> References: <1553515419-1797-1-git-send-email-guoren@kernel.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="3uo+9/B/ebqu+fSQ" Content-Disposition: inline In-Reply-To: <1553515419-1797-1-git-send-email-guoren@kernel.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --3uo+9/B/ebqu+fSQ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Mar 25, 2019 at 08:03:39PM +0800, guoren@kernel.org wrote: [...] > diff --git a/arch/csky/include/uapi/asm/ptrace.h b/arch/csky/include/uapi= /asm/ptrace.h > index a4eaa8d..9bf5b1a 100644 > --- a/arch/csky/include/uapi/asm/ptrace.h > +++ b/arch/csky/include/uapi/asm/ptrace.h > @@ -62,6 +62,11 @@ struct user_fp { > #define instruction_pointer(regs) ((regs)->pc) > #define profile_pc(regs) instruction_pointer(regs) > =20 > +static inline unsigned long regs_return_value(struct pt_regs *regs) > +{ > + return regs->a0; > +} > + > #endif /* __KERNEL__ */ > #endif /* __ASSEMBLY__ */ > #endif /* _CSKY_PTRACE_H */ I wonder why we have this #ifdef __KERNEL__ code in the uapi namespace, it defeats the idea of uapi. Doesn't it belong to non-uapi include/asm/ptrace.h namespace? --=20 ldv --3uo+9/B/ebqu+fSQ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIcBAEBCAAGBQJcmMbyAAoJEAVFT+BVnCUIM+AQAMe0vpZIv4qZieKg3wIu95Dw Mm0g/7gD9nBwEjnmN6dwMPtWGL7v7fZMdJ9bHLNW9bgpgfbqTDvnavkZrXjS0SKZ f+vJ1Hfa/wEsYbhfN4oY3lpPMuVEUR76eAItM7n97OfZ5fHaDd45qy0Cp24iwAk2 IQ/CaBat8a0FuJrHeUZ+LlEYVzWkuXjwn6IBKr7bbPQQ8PsbsYC19YggijvJiSRv S119Zexsy7yQYv5Lex45e4cAwlxKkUyc21qmYgi92wUcCRiVrlDqsR9GB5pBZm/n S4N3hMQ5Hl7KNYc1tnvr3AifSmJVpwblSSe0SXUeU4Sq+kyqAYYVFZOAHoXbCEp6 836P4PTQR34/1EG4mdHKmXuE/W/w2YRwbcrRrauGUYoKFc6V0KF5hxLCeYJnls+y ZZLt5nP6x9aXu1glqz8I278qDaWbWrU5Wd2tjfF18qwHAkYjI0zkhA2J9HciRTjR SpJ6pHxrxQRoe7cqByi2C5qi4Q0WsUm9P/NZIWewOtpUQ3kJC87jnE+PeYm+1AG/ TSy3pWprX+0d2TmPWMfUcnUM0NblaMK+phUdM46V+xE4e4I2SmVMJ/8sidQprhiQ sbDydfRqS2TlbBkgdlbRIutt7UrQd8MypcWRikgv+h9+NWCoo1p6NSkOudM+Z/Yn V9MVLm4Yq32EWZCTTj09 =2022 -----END PGP SIGNATURE----- --3uo+9/B/ebqu+fSQ--