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[2620:137:e000::1:20]) by mx.google.com with ESMTP id mh16-20020a17090b4ad000b001ef8ab5f4e6si1284502pjb.126.2022.07.08.23.37.43; Fri, 08 Jul 2022 23:37:55 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20210309 header.b=jvfBEMbt; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229469AbiGIGZX (ORCPT + 99 others); Sat, 9 Jul 2022 02:25:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33474 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229549AbiGIGZV (ORCPT ); Sat, 9 Jul 2022 02:25:21 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 14BAF57E34; Fri, 8 Jul 2022 23:25:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=5zqC6/B7/e8C07wEoM+B0njfXe1wcbKaBp+7TWzkiPo=; b=jvfBEMbtcA8GtVYtjjieBTSOsO X3qdQ5a0YIrbfGjpFX8SZhvtjue42BpWlSStPR+Nj/uk+5CvUEn1052Z5BRqFJJ3+eG/Q44DagP61 rTwCZgOVcwWRLiDFmZP4pEIvmRBuV9gan516Nh0p+is5WWYNaM3SSBRMEY0SLlwZCotYUZt6OdpCx Bp1auOjQVJvqiiEOGnKp2kbB/asmCLC+UsDHQgijuZk6B7sao0Dex2dEfO5dUZGr1Xn+sd0sbZS3c 92EqiWblob+HZftOx/WY5V05HJsBEJE9Mrpm3I45k5FURrfS2r+gWbsfyohRtgL0C95GJ+flc04WH GePRj6Bw==; Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1oA3tu-0078te-IK; Sat, 09 Jul 2022 06:25:10 +0000 Date: Fri, 8 Jul 2022 23:25:10 -0700 From: Christoph Hellwig To: Andrii Nakryiko Cc: Christoph Hellwig , Alan Maguire , Yixun Lan , Palmer Dabbelt , linux-riscv@lists.infradead.org, Paul Walmsley , Albert Ou , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , open list , Networking , bpf Subject: Re: [PATCH] RISC-V/bpf: Enable bpf_probe_read{, str}() Message-ID: References: <20220703130924.57240-1-dlan@gentoo.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,SPF_HELO_NONE, SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jul 08, 2022 at 03:22:51PM -0700, Andrii Nakryiko wrote: > On Wed, Jul 6, 2022 at 12:00 AM Christoph Hellwig wrote: > > > > On Tue, Jul 05, 2022 at 10:00:42PM -0700, Andrii Nakryiko wrote: > > > riscv existed as of [0], so I'd argue it is a proper bug fix, as > > > corresponding select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE should > > > have been added back then. > > > > How much of an eBPF ecosystem was there on RISC-V at the point? > > No idea, never used RISC-V and didn't pay much attention. But why does > it matter? It matters because we should not spread broken legacy interfaces.