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[2620:137:e000::1:20]) by mx.google.com with ESMTP id m14-20020a50998e000000b00448b88378f8si1766479edb.359.2022.09.01.07.18.19; Thu, 01 Sep 2022 07:18:47 -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=@kernel.org header.s=k20201202 header.b=CGrJY5mf; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231443AbiIANyD (ORCPT + 99 others); Thu, 1 Sep 2022 09:54:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46250 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233968AbiIANx7 (ORCPT ); Thu, 1 Sep 2022 09:53:59 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CDF7CBF4C; Thu, 1 Sep 2022 06:53:57 -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 ams.source.kernel.org (Postfix) with ESMTPS id 77293B826E2; Thu, 1 Sep 2022 13:53:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9D679C433C1; Thu, 1 Sep 2022 13:53:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1662040435; bh=HdsYKZmyvUhpJZba03oAmfYjwzHbDOVaQz9sEmXDhww=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=CGrJY5mf/CEotU+aiZKDeb0eBpmRY6SlPOv3KQjdek5+gw7JXxzyEgfpFkMyRHDtj OpRCF7x7vDdT4ldIXyVuKFV0kDWHvR1XmBpvtqnEXHXZWzTuciKoZ4s5LFRa14UjM7 Ca8tJnTRfof1qW4GTQ8tcSMXSfQT8fCZ8NhWrDg2/fsys4mP5DMpJDMn9DcpL8h6Ir 5JgVvucNoMULavFe9OFOMiydvLfqfATmqGPaqNHLcfk4BVWRT27AWssjozNakNrNzH hXi8x0XmPLCvRSmudnfTfmfRuq2I+6QsASRvqVR7NICjAXDMGJEeaRFmwP884Q6P1u N091/JLRHBgEA== Date: Thu, 1 Sep 2022 21:44:37 +0800 From: Jisheng Zhang To: Sebastian Andrzej Siewior Cc: Paul Walmsley , Palmer Dabbelt , Albert Ou , Anup Patel , Atish Patra , Thomas Gleixner , Steven Rostedt , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org Subject: Re: [PATCH v2 0/5] riscv: add PREEMPT_RT support Message-ID: References: <20220831175920.2806-1-jszhang@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,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 Thu, Sep 01, 2022 at 09:04:05AM +0200, Sebastian Andrzej Siewior wrote: > On 2022-09-01 01:59:15 [+0800], Jisheng Zhang wrote: > > I assume patch1, patch2 and patch3 can be reviewed and merged for > > riscv-next, patch4 and patch5 can be reviewed and maintained in rt tree, > > and finally merged once the remaining patches in rt tree are all > > mainlined. > > I would say so, yes. > > What about JUMP_LABEL support? Do you halt all CPUs while patching the > code? > FWICT, riscv JUMP_LABEL implementation doesn't rely on stop all cpus while patching text. Thanks