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[2620:137:e000::1:20]) by mx.google.com with ESMTP id q3-20020a170902dac300b001bdea69f592si13680113plx.400.2023.08.30.11.36.17; Wed, 30 Aug 2023 11:36:31 -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; 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 S238888AbjH3D0c (ORCPT + 99 others); Tue, 29 Aug 2023 23:26:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33636 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241573AbjH3DZ6 (ORCPT ); Tue, 29 Aug 2023 23:25:58 -0400 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 8D5ACAB for ; Tue, 29 Aug 2023 20:25:55 -0700 (PDT) Received: from loongson.cn (unknown [10.180.128.250]) by gateway (Coremail) with SMTP id _____8CxNvHCtu5kXfkcAA--.59008S3; Wed, 30 Aug 2023 11:25:54 +0800 (CST) Received: from crazy.crazy.loongson.org (unknown [10.180.128.250]) by localhost.localdomain (Coremail) with SMTP id AQAAf8CxriPBtu5k9+5mAA--.12310S4; Wed, 30 Aug 2023 11:25:53 +0800 (CST) From: liweihao To: wangrui@loongson.cn Cc: chenhuacai@kernel.org, kernel@xen0n.name, linux-kernel@vger.kernel.org, liweihao@loongson.cn, loongarch@lists.linux.dev, masahiroy@kernel.org, yijun@loongson.cn Subject: Re: [PATCH 1/1] LoongArch: adjust copy/clear_user exception handler behavior Date: Wed, 30 Aug 2023 11:25:53 +0800 Message-Id: <20230830032553.2974884-1-liweihao@loongson.cn> X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: AQAAf8CxriPBtu5k9+5mAA--.12310S4 X-CM-SenderInfo: 5olzvxhkdrqz5rrqw2lrqou0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29K BjDU0xBIdaVrnRJUUUkFb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26c xKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r106r15M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vE j48ve4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_JFI_Gr1l84ACjcxK6xIIjxv20xvEc7CjxV AFwI0_Gr0_Cr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x02 67AKxVW8Jr0_Cr1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12xvs2x26I8E6x ACxx1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1j6r18McIj6I8E 87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41l42xK82 IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC2 0s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r43MIIYrxkI7VAKI48JMI IF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r1j6r4UMIIF 0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87 Iv6xkF7I0E14v26r1j6r4UYxBIdaVFxhVjvjDU0xZFpf9x07j8yCJUUUUU= X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_PASS 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 Hello WANG Rui, > > +.Lsmall_fixup: > > +29: st.b zero, a0, 0 > > + addi.d a0, a0, 1 > > + addi.d a1, a1, -1 > > + bgt a1, zero, 1b > > I'm sure the jump target here is 29b. You are right, this is a mistake. I'll correct it later. Thanks.