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[2620:137:e000::1:20]) by mx.google.com with ESMTP id 3-20020a631443000000b004785ae0770dsi1895792pgu.327.2022.12.14.21.10.06; Wed, 14 Dec 2022 21:10:14 -0800 (PST) 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 S229694AbiLOEDN (ORCPT + 69 others); Wed, 14 Dec 2022 23:03:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54524 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229705AbiLOECR (ORCPT ); Wed, 14 Dec 2022 23:02:17 -0500 Received: from loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id B29541DA55 for ; Wed, 14 Dec 2022 20:02:14 -0800 (PST) Received: from loongson.cn (unknown [111.9.175.10]) by gateway (Coremail) with SMTP id _____8Bx3+tFnJpj2rkFAA--.13315S3; Thu, 15 Dec 2022 12:02:13 +0800 (CST) Received: from localhost.localdomain (unknown [111.9.175.10]) by localhost.localdomain (Coremail) with SMTP id AQAAf8BxtOVDnJpjVBkAAA--.887S2; Thu, 15 Dec 2022 12:02:13 +0800 (CST) From: Jinyang He To: Huacai Chen , WANG Xuerui , Qing Zhang Cc: loongarch@lists.linux.dev, linux-kernel@vger.kernel.org, Steven Rostedt , Masami Hiramatsu , Mark Rutland Subject: [PATCH 0/6] LoongArch: Some fix and new features for unwinders Date: Thu, 15 Dec 2022 12:01:35 +0800 Message-Id: <20221215040141.18610-1-hejinyang@loongson.cn> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: AQAAf8BxtOVDnJpjVBkAAA--.887S2 X-CM-SenderInfo: pkhmx0p1dqwqxorr0wxvrqhubq/ X-Coremail-Antispam: 1Uk129KBjvdXoWrZry8trWxCr15GFW3XrWxCrg_yoWDCwbEgF yfAa4UGrWkWa98J3WDtryfJ34UWa1vqF90kas8ZrWxAFn0yF1rJrsxJw1av34vgrWUXrs8 J3y0g3ZY9w1qvjkaLaAFLSUrUUUU1b8apTn2vfkv8UJUUUU8wcxFpf9Il3svdxBIdaVrn0 xqx4xG64xvF2IEw4CE5I8CrVC2j2Jv73VFW2AGmfu7bjvjm3AaLaJ3UjIYCTnIWjp_UUUY g7kC6x804xWl14x267AKxVWUJVW8JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0rVWrJVCq3w AFIxvE14AKwVWUXVWUAwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK021l84ACjcxK 6xIIjxv20xvE14v26r1I6r4UM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4j6F4UM28EF7 xvwVC2z280aVAFwI0_Gr1j6F4UJwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gr1j6F4UJwAa w2AFwI0_Jrv_JF1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqjxCEc2xF0cIa020Ex4CE44 I27wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_Jrv_JF1lYx0Ex4A2 jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwCF04k20x vY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwCFI7km07C267AKxVWUXVWUAwC20s02 6c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw 0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvE c7CjxVAFwI0_Jr0_Gr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14 v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Jr0_GrUvcSsGvfC2KfnxnUUI43ZEXa7I U8hiSPUUUUU== X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_PASS, 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 Make the stacktrace more effective and the codes more clear. Jinyang He (6): LoongArch: Get frame info in unwind_start when regs is not supported LoongArch: Use correct sp value to get graph addr in unwinder guess LoongArch: Adjust PC value when unwind next frame in prologue unwinder LoongArch: Strip guess_unwinder out from prologue_unwinder LoongArch: Add raw_show_trace to enable guess unwinder default LoongArch: Add generic ex-handler unwind in prologue unwinder arch/loongarch/include/asm/ftrace.h | 2 - arch/loongarch/include/asm/unwind.h | 33 +++- arch/loongarch/kernel/Makefile | 3 +- arch/loongarch/kernel/genex.S | 3 + arch/loongarch/kernel/process.c | 12 +- arch/loongarch/kernel/unwind.c | 52 +++++ arch/loongarch/kernel/unwind_guess.c | 45 ++--- arch/loongarch/kernel/unwind_prologue.c | 248 +++++++++++++++--------- arch/loongarch/mm/tlb.c | 2 +- 9 files changed, 256 insertions(+), 144 deletions(-) create mode 100644 arch/loongarch/kernel/unwind.c -- 2.34.3