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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D9A0EC433EF for ; Sat, 5 Feb 2022 00:36:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231897AbiBEAgl (ORCPT ); Fri, 4 Feb 2022 19:36:41 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:30438 "EHLO mx0b-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230266AbiBEAgk (ORCPT ); Fri, 4 Feb 2022 19:36:40 -0500 Received: from pps.filterd (m0098421.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 214NnKrQ023803; Sat, 5 Feb 2022 00:36:21 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=date : from : to : cc : subject : message-id : references : mime-version : content-type : in-reply-to; s=pp1; bh=19D2PusZXb2cI6QW+3CBlSsDPrdO7trXqWy92AKGvk4=; b=lkP7pO9Gzv3Dr14fpwGziUV+bbH2sUVWoZwrhX+zeKwt1YtaPFN6iZv2kc1UFfoMqcmv RPPY3odaIFzWm6EEyn37NbIAxH24efWLlO0E0jxKusXi1eGdwhbcfInN8pZPSiS2Pft5 2mUprPR2//b+nLa4a520BOpyOY1r+yXO06PVa7jG+yBnURFyN1AKOADsn6pwdPR/RrjY Bvphfn3oiM/YeHEH8Akaov6oJgTHQdpSXCPt2oE2ZgOyGeYbpsOcxYZPPvZP4Cro4G/y vpAPgRMPcNsPAWJrS00hNOey5MQ3l8d935sBf57RS6LaJR+fpHN5lRdjGuyLyrqDy1Hg sg== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 3e0rj617nh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 05 Feb 2022 00:36:20 +0000 Received: from m0098421.ppops.net (m0098421.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.43/8.16.0.43) with SMTP id 2150aKSE022980; Sat, 5 Feb 2022 00:36:20 GMT Received: from ppma04fra.de.ibm.com (6a.4a.5195.ip4.static.sl-reverse.com [149.81.74.106]) by mx0a-001b2d01.pphosted.com with ESMTP id 3e0rj617n1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 05 Feb 2022 00:36:20 +0000 Received: from pps.filterd (ppma04fra.de.ibm.com [127.0.0.1]) by ppma04fra.de.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 2150TIZ7018226; Sat, 5 Feb 2022 00:36:17 GMT Received: from b06avi18878370.portsmouth.uk.ibm.com (b06avi18878370.portsmouth.uk.ibm.com [9.149.26.194]) by ppma04fra.de.ibm.com with ESMTP id 3e0r0u8c7u-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 05 Feb 2022 00:36:17 +0000 Received: from d06av21.portsmouth.uk.ibm.com (d06av21.portsmouth.uk.ibm.com [9.149.105.232]) by b06avi18878370.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 2150aExV46072182 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sat, 5 Feb 2022 00:36:14 GMT Received: from d06av21.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5FF3B5204F; Sat, 5 Feb 2022 00:36:14 +0000 (GMT) Received: from osiris (unknown [9.145.82.196]) by d06av21.portsmouth.uk.ibm.com (Postfix) with ESMTPS id D76FE5204E; Sat, 5 Feb 2022 00:36:13 +0000 (GMT) Date: Sat, 5 Feb 2022 01:36:12 +0100 From: Heiko Carstens To: Ilya Leoshkevich Cc: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Vasily Gorbik , Christian Borntraeger , Alexander Gordeev , Catalin Marinas , Michael Ellerman , Paul Walmsley , "Naveen N . Rao" , bpf@vger.kernel.org Subject: Re: [PATCH bpf-next v3 02/11] s390/bpf: Add orig_gpr2 to user_pt_regs Message-ID: References: <20220204145018.1983773-1-iii@linux.ibm.com> <20220204145018.1983773-3-iii@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220204145018.1983773-3-iii@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: bv8q41x_521BhacVNeeIJeOGw8X3W63C X-Proofpoint-GUID: ZzT731UMlUUDs5YpC9IUpmz1MEUfvB9I X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.816,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2022-02-04_07,2022-02-03_01,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 adultscore=0 phishscore=0 spamscore=0 malwarescore=0 clxscore=1015 mlxlogscore=805 impostorscore=0 bulkscore=0 lowpriorityscore=0 mlxscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2201110000 definitions=main-2202050000 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On Fri, Feb 04, 2022 at 03:50:09PM +0100, Ilya Leoshkevich wrote: > user_pt_regs is used by eBPF in order to access userspace registers - > see commit 466698e654e8 ("s390/bpf: correct broken uapi for > BPF_PROG_TYPE_PERF_EVENT program type"). In order to access the first > syscall argument from eBPF programs, we need to export orig_gpr2. > > Signed-off-by: Ilya Leoshkevich > --- > arch/s390/include/asm/ptrace.h | 2 +- > arch/s390/include/uapi/asm/ptrace.h | 1 + > 2 files changed, 2 insertions(+), 1 deletion(-) Acked-by: Heiko Carstens