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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AD4F1C433F5 for ; Fri, 1 Oct 2021 21:23:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 88B7F61A58 for ; Fri, 1 Oct 2021 21:23:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230207AbhJAVZW (ORCPT ); Fri, 1 Oct 2021 17:25:22 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:2170 "EHLO mx0b-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229894AbhJAVZV (ORCPT ); Fri, 1 Oct 2021 17:25:21 -0400 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 191LMFir016677; Fri, 1 Oct 2021 17:23:05 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=date : from : subject : to : cc : references : in-reply-to : message-id : content-type : content-transfer-encoding : mime-version; s=pp1; bh=KdbECt7xMf59r4iFzQJ48ebBbpqTjpyEi09f219mPIs=; b=EhY7FP4zWTdbJ2qn1GZj15Ys8wwW+knrD+uV7TUHgnkkLb1VRKzG87gzknaVGpwEkx0W ozldPY5h00Y6IjWdxJZ3P3dc69A7bEftrbtdHtm1LW5vQy+7uTRokW8Ify/2kKkLNota O8IjijS+7hemdigl4wWYEZt/LS12+tNt+CeX5SUcddnw59ntPA5jV0dJRxLOrIfe4Su2 t9Q+i1Qzf044YHeQrcgTldZNSHFvfpUldeLH7/36msXVbOHInepfXL/GmZ03w1ozkeSF kMRfso7J7Yuy27i0qVIcj5DHKpXIsWPpmXj487600TyN2H89Jg84tQ+C4uMpJVKWKNwT hA== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 3bea6dr07a-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 01 Oct 2021 17:23:05 -0400 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 191LN4CN018122; Fri, 1 Oct 2021 17:23:04 -0400 Received: from ppma04ams.nl.ibm.com (63.31.33a9.ip4.static.sl-reverse.com [169.51.49.99]) by mx0a-001b2d01.pphosted.com with ESMTP id 3bea6dr076-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 01 Oct 2021 17:23:04 -0400 Received: from pps.filterd (ppma04ams.nl.ibm.com [127.0.0.1]) by ppma04ams.nl.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 191LGeWE004180; Fri, 1 Oct 2021 21:23:03 GMT Received: from b06cxnps3074.portsmouth.uk.ibm.com (d06relay09.portsmouth.uk.ibm.com [9.149.109.194]) by ppma04ams.nl.ibm.com with ESMTP id 3b9udat1jm-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 01 Oct 2021 21:23:02 +0000 Received: from d06av21.portsmouth.uk.ibm.com (d06av21.portsmouth.uk.ibm.com [9.149.105.232]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 191LN0wr42205468 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 1 Oct 2021 21:23:00 GMT Received: from d06av21.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 65F8752050; Fri, 1 Oct 2021 21:23:00 +0000 (GMT) Received: from localhost (unknown [9.43.54.98]) by d06av21.portsmouth.uk.ibm.com (Postfix) with ESMTP id D523A5204E; Fri, 1 Oct 2021 21:22:59 +0000 (GMT) Date: Sat, 02 Oct 2021 02:52:58 +0530 From: "Naveen N. Rao" Subject: Re: [PATCH v4 0/8] bpf powerpc: Add BPF_PROBE_MEM support in powerpc JIT compiler To: ast@kernel.org, christophe.leroy@csgroup.eu, Daniel Borkmann , Hari Bathini , mpe@ellerman.id.au Cc: andrii@kernel.org, bpf@vger.kernel.org, john.fastabend@gmail.com, kafai@fb.com, kpsingh@kernel.org, linuxppc-dev@lists.ozlabs.org, netdev@vger.kernel.org, paulus@samba.org, songliubraving@fb.com, yhs@fb.com References: <20210929111855.50254-1-hbathini@linux.ibm.com> <88b59272-e3f7-30ba-dda0-c4a6b42c0029@iogearbox.net> In-Reply-To: <88b59272-e3f7-30ba-dda0-c4a6b42c0029@iogearbox.net> User-Agent: astroid/v0.15-23-gcdc62b30 (https://github.com/astroidmail/astroid) Message-Id: <1633123101.e5sflytz4f.naveen@linux.ibm.com> Content-Type: text/plain; charset=utf-8; format=flowed X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 6mN9CZGWhZIucqhRhkK3RMFvae8dKpG6 X-Proofpoint-GUID: _cY-NIW-L_OMpRIM22KMMWpUyxtjDpse Content-Transfer-Encoding: quoted-printable X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.391,FMLib:17.0.607.475 definitions=2021-10-01_05,2021-10-01_02,2020-04-07_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 phishscore=0 impostorscore=0 suspectscore=0 adultscore=0 bulkscore=0 mlxlogscore=969 mlxscore=0 spamscore=0 lowpriorityscore=0 priorityscore=1501 clxscore=1011 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2109230001 definitions=main-2110010147 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Daniel Borkmann wrote: > On 9/29/21 1:18 PM, Hari Bathini wrote: >> Patch #1 & #2 are simple cleanup patches. Patch #3 refactors JIT >> compiler code with the aim to simplify adding BPF_PROBE_MEM support. >> Patch #4 introduces PPC_RAW_BRANCH() macro instead of open coding >> branch instruction. Patch #5 & #7 add BPF_PROBE_MEM support for PPC64 >> & PPC32 JIT compilers respectively. Patch #6 & #8 handle bad userspace >> pointers for PPC64 & PPC32 cases respectively. >=20 > Michael, are you planning to pick up the series or shall we route via bpf= -next? I just posted a few fixes to the powerpc BPF JIT (*). It would be nice=20 if those can be picked up for v5.15 through bpf/master or powerpc/fixes.=20= =20 If so, this series may need to be rebased to address some conflicts.=20=20 Otherwise, I can re-post my fixes atop this. Thanks, Naveen (*) https://lore.kernel.org/linuxppc-dev/cover.1633104510.git.naveen.n.rao@= linux.vnet.ibm.com/T/#u