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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 61692C25B74 for ; Tue, 21 May 2024 16:35:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:References :In-Reply-To:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=pr66N2HqJ8JfgJu5ZKmH8rwQ9EGpU/1SYej5lusaNqM=; b=3iK5AuZoFrkD5I A6AHKiITIWji/hl4xAHR7I/HCX5IMsmfmUn2xFkPf9O7eRPdNppckW5JoGOv6B+/bVQuLNBdtrQ5C oD/U3k0o4SB+WzYoFggWQvQS+b4Ky0wPCdFcPpHRpHsEQx9aaKZkyuX+NM52eWfMcfrfX6iYk1J97 ReT21eQ76VaiYn3TsCBDsneZLSyjiGPNsoDK/D89LjqLnglRbHONath1NGGitp93fD8UTrRmuDCNY ff+HKDPwJIg5AknpLef/ea32TwDOhW/DdU7ErQqoqvu5PwLijX4mGTlTy3QzZFFI3aHZQ99cYKGA3 JD4IV9CIjmTmcQ0cioUw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1s9SSr-00000000WEZ-4209; Tue, 21 May 2024 16:35:49 +0000 Received: from sin.source.kernel.org ([145.40.73.55]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1s9SSp-00000000WDl-3jG9 for linux-riscv@lists.infradead.org; Tue, 21 May 2024 16:35:49 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id 054FACE103F; Tue, 21 May 2024 16:35:44 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BFA2AC2BD11; Tue, 21 May 2024 16:35:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1716309342; bh=flYhV7d20dQSVWKKG9xe6WN4b57IFP0PEYtYsZvhEgI=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=OSnDxMBvwuZmzw1tj9S4tW3PKxmd2QDDX5Hs9M+GREWOOeCuYO8A2o5lxdeMgcrBP HgpjrRpH2Fv2a9TgqbPZcKVK4ubavEPLcA2O0fHaLwzzIt6FohK6rbPtUmFiHRzZQ+ usIGPMVbj6Qg/P/fxj5GiHm/xqj0oa1XGLBu6bxhuTELspa5Cg+ZXtgLVzXogmv2el 5ohMQn2jiBrQTrk3P3s+/iX30+ZHyw+rFS3LLuM17nzzD+reEO+uUyW9rI6Mps3R/r nqtw9VqHOkG5XbMGosKQIYPtq3aKMxk4wwsKQwQxE7YyNLyD2lvSD+2MlDm6L+yrVk O4wvpONO9IlYw== From: =?utf-8?B?QmrDtnJuIFTDtnBlbA==?= To: Xiao Wang , paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, luke.r.nels@gmail.com, xi.wang@gmail.com Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev, eddyz87@gmail.com, song@kernel.org, yonghong.song@linux.dev, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@google.com, haoluo@google.com, jolsa@kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, pulehui@huawei.com, haicheng.li@intel.com, Xiao Wang Subject: Re: [PATCH] riscv, bpf: try RVC for reg move within BPF_CMPXCHG JIT In-Reply-To: <20240519050507.2217791-1-xiao.w.wang@intel.com> References: <20240519050507.2217791-1-xiao.w.wang@intel.com> Date: Tue, 21 May 2024 18:35:39 +0200 Message-ID: <87a5kjdsx0.fsf@all.your.base.are.belong.to.us> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240521_093548_141538_7C641A43 X-CRM114-Status: UNSURE ( 4.92 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org WGlhbyBXYW5nIDx4aWFvLncud2FuZ0BpbnRlbC5jb20+IHdyaXRlczoKCj4gV2UgY291bGQgdHJ5 IHRvIGVtaXQgY29tcHJlc3NlZCBpbnNuIGZvciByZWcgbW92ZSBvcGVyYXRpb24gZHVyaW5nIENN UFhDSEcKPiBKSVQsIHRoZSBpbnN0cnVjdGlvbiBjb21wcmVzc2lvbiBoYXMgbm8gaW1wYWN0IG9u IHRoZSBqdW1wIG9mZnNldHMgb2YKPiBmb2xsb3dpbmcgZm9yd2FyZCBhbmQgYmFja3dhcmQganVt cCBpbnN0cnVjdGlvbnMuCgouLi5hbmQgYXQgc29tZSBwb2ludCB3ZSBzaG91bGQgc3RhcnQgc3Vw cG9ydGluZyBaYWNhcyBhbmQgZnJpZW5kcywKaW5zdGVhZCBvZiBsci9zYy4KCj4gU2lnbmVkLW9m Zi1ieTogWGlhbyBXYW5nIDx4aWFvLncud2FuZ0BpbnRlbC5jb20+CgpBY2tlZC1ieTogQmrDtnJu IFTDtnBlbCA8Ympvcm5Aa2VybmVsLm9yZz4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCmxpbnV4LXJpc2N2IG1haWxpbmcgbGlzdApsaW51eC1yaXNjdkBs aXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlz dGluZm8vbGludXgtcmlzY3YK