Received: by 2002:a05:6602:18e:0:0:0:0 with SMTP id m14csp1642613ioo; Sun, 22 May 2022 22:42:56 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyyVVPAvpLxJ6Qn+XPVNrevLWa9Jx5FRa27w3ISWccurysiBKvzUFhsduc/Vo9Gdr1sQSN6 X-Received: by 2002:a17:90a:a393:b0:1d0:e448:811d with SMTP id x19-20020a17090aa39300b001d0e448811dmr25257675pjp.97.1653284576651; Sun, 22 May 2022 22:42:56 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1653284576; cv=none; d=google.com; s=arc-20160816; b=hX2TzeXkBq7Ncde/A6g3H3lunyNCqgD+D4ubtLlQJaZ7YW3NJk6yFrS69nvdrY0TyP WCz50VOpulWHPCOuqIMmmmAW9gNcXOLx/2GqrUOQ3V3At2LMCF29PAeruZ5GGxUTZspD L/lXf9rGrP9noSO0jfW40rvUf+f8ChlB/+Iz7JEhgZWUfEvgdwg+lY7JMbdWrF1N0fvW J/Li4tUlbwO2Fm/IJSZJmjcmJX4LVIrjYCfKIuilghd2qcs86EFIf7iQFYhpxc90qPle m1HQzUG1CVWRsfOIejKKpq6Cnz5AsjXeJ/wx/9ORDS2QN0EHThGz5GB6e1s+f4ZPyREg wUqA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:subject:message-id:date:from:in-reply-to :references:mime-version:dkim-signature; bh=L1rWichVspWPMp1YW4Y6OtO8akQ8Yw1ttG9zNJ5MEfY=; b=lz3WX9eHHxeDabSoXBwkFOoBJ+AX2CQiUORSnSFe8Ckm7R5SUDXsAGVY3DoBBd7+qE OOuQwHKuZZPL0dIRaUHecAfwjhzYemzejaLa4lAj9GUIH9HHpVgEjbGOL8nWFxz8qnrR 3Cgww4Sujf89N9B1vRzCpAQuOzFCaDnX90xopKznAYeoU6fvgEx+bqdC4RYty2UcEXGv i2VmsxEIQUeZJv+sfMO4gjnskv17GKsOcC4ZEEiuV4I/rDD3XDjnrXsq/zApfCAtudfP pa35Rhc61PJBSEi6sWhSHFgvFbmRScfZwckCu2RRlNPf8CBA0QI8gBazjs4ddHz3ifgy zNBw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=e7Jg4x7j; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net. [2620:137:e000::1:18]) by mx.google.com with ESMTPS id n3-20020a170902d2c300b00156966c019bsi10812010plc.537.2022.05.22.22.42.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 22 May 2022 22:42:56 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=e7Jg4x7j; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 7B8CC1A810; Sun, 22 May 2022 22:42:09 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233606AbiEWBmJ (ORCPT + 99 others); Sun, 22 May 2022 21:42:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35758 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233693AbiEWBmG (ORCPT ); Sun, 22 May 2022 21:42:06 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F23901EEFC for ; Sun, 22 May 2022 18:42:05 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 8F76460FAA for ; Mon, 23 May 2022 01:42:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EDBABC34119 for ; Mon, 23 May 2022 01:42:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1653270125; bh=L1rWichVspWPMp1YW4Y6OtO8akQ8Yw1ttG9zNJ5MEfY=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=e7Jg4x7j6d5762KIShgTeQ9GZsR5hgrxt5neCELacXz4M5Z1gyZ09NbZ6WrMm95Ll SOs3FR/CShuAugXTtL85ipFHcZk8v/COxVuvq4UzOcmdC7kXfYdDkqhntPc21EoI3n FP+rJa/IvSiPuEAoEZ+OeXv3En0AHqfJMA7ZbprDh4KvHmbX0yDGoR4zb2G5+N+k3T Z9c7Pz0oweBX5nf6HcXI3zp4B+gOrXq1Exa4UbsQMxuzbkE8BQPNy4PVycTFA35nQ9 35WAupqkdKqwAN3dFe0z0L+CGFn8TX8cf6vxRdwZTH2DCJKuDXoAf17kTziaO56dxT DiVlOOoGCDKHA== Received: by mail-lj1-f169.google.com with SMTP id m11so4070582ljc.1 for ; Sun, 22 May 2022 18:42:04 -0700 (PDT) X-Gm-Message-State: AOAM5306pRBuIsqCKiGObo1erlzgrlYA2K2vn7SXaxTU81jT2kxW6zHU QRFz4ZLDdBv+ILBVXiGir+iETDw44N3yWtc90ubsgQ== X-Received: by 2002:a05:651c:10a8:b0:253:c8a7:3afd with SMTP id k8-20020a05651c10a800b00253c8a73afdmr11948558ljn.431.1653270122939; Sun, 22 May 2022 18:42:02 -0700 (PDT) MIME-Version: 1.0 References: <20220518131638.3401509-1-xukuohai@huawei.com> <20220518131638.3401509-5-xukuohai@huawei.com> In-Reply-To: <20220518131638.3401509-5-xukuohai@huawei.com> From: KP Singh Date: Mon, 23 May 2022 03:41:52 +0200 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH bpf-next v5 4/6] bpf, arm64: Impelment bpf_arch_text_poke() for arm64 To: Xu Kuohai Cc: bpf@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-kselftest@vger.kernel.org, Catalin Marinas , Will Deacon , Steven Rostedt , Ingo Molnar , Daniel Borkmann , Alexei Starovoitov , Zi Shen Lim , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , "David S . Miller" , Hideaki YOSHIFUJI , David Ahern , Thomas Gleixner , Borislav Petkov , Dave Hansen , x86@kernel.org, hpa@zytor.com, Shuah Khan , Jakub Kicinski , Jesper Dangaard Brouer , Mark Rutland , Pasha Tatashin , Ard Biesheuvel , Daniel Kiss , Steven Price , Sudeep Holla , Marc Zyngier , Peter Collingbourne , Mark Brown , Delyan Kratunov , Kumar Kartikeya Dwivedi Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-2.9 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, RDNS_NONE,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=unavailable 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 Wed, May 18, 2022 at 3:54 PM Xu Kuohai wrote: > > Impelment bpf_arch_text_poke() for arm64, so bpf trampoline code can use > it to replace nop with jump, or replace jump with nop. > > Signed-off-by: Xu Kuohai > Acked-by: Song Liu > Reviewed-by: Jakub Sitnicki Reviewed-by: KP Singh