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[2620:137:e000::1:20]) by mx.google.com with ESMTP id sa35-20020a1709076d2300b0080a15fe49a5si16129003ejc.571.2022.12.28.22.27.26; Wed, 28 Dec 2022 22:27:42 -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 S232434AbiL2GPs (ORCPT + 63 others); Thu, 29 Dec 2022 01:15:48 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33108 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229644AbiL2GPq (ORCPT ); Thu, 29 Dec 2022 01:15:46 -0500 Received: from loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 4D0623AE for ; Wed, 28 Dec 2022 22:15:44 -0800 (PST) Received: from loongson.cn (unknown [111.9.175.10]) by gateway (Coremail) with SMTP id _____8BxnuuPMK1jHjMJAA--.20817S3; Thu, 29 Dec 2022 14:15:43 +0800 (CST) Received: from localhost.localdomain (unknown [111.9.175.10]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Dxrb6OMK1jIiYPAA--.24618S2; Thu, 29 Dec 2022 14:15:42 +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 v2 0/5] LoongArch: Some fix and new features for unwinders Date: Thu, 29 Dec 2022 14:15:11 +0800 Message-Id: <20221229061516.31671-1-hejinyang@loongson.cn> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: AQAAf8Dxrb6OMK1jIiYPAA--.24618S2 X-CM-SenderInfo: pkhmx0p1dqwqxorr0wxvrqhubq/ X-Coremail-Antispam: 1Uk129KBjvdXoWrZry5Xw4fZw4rXF4fuF1Utrb_yoWkKwc_WF yxCa4UGrWkWas8J3WDtrWfJw1UXa10qF90kas8Zr4xAFn8AF13JrZxXw13Z34qgr4UWrs8 J3y0grnY9w1j9jkaLaAFLSUrUUUU8b8apTn2vfkv8UJUUUU8wcxFpf9Il3svdxBIdaVrn0 xqx4xG64xvF2IEw4CE5I8CrVC2j2Jv73VFW2AGmfu7bjvjm3AaLaJ3UjIYCTnIWjp_UUUY A7kC6x804xWl14x267AKxVWUJVW8JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0rVWrJVCq3w AFIxvE14AKwVWUXVWUAwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK021l84ACjcxK 6xIIjxv20xvE14v26ryj6F1UM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4j6F4UM28EF7 xvwVC2z280aVAFwI0_Gr1j6F4UJwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gr1j6F4UJwAa w2AFwI0_Jrv_JF1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqjxCEc2xF0cIa020Ex4CE44 I27wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_Jw0_WrylYx0Ex4A2 jsIE14v26r4j6F4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwCY1x0262 kKe7AKxVWUAVWUtwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwCFI7km 07C267AKxVWUXVWUAwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r 1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWU CVW8JwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Jr0_Gr1lIxAIcVCF04k26cxKx2IYs7xG6r 1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Jr0_GrUv cSsGvfC2KfnxnUUI43ZEXa7IU0epB3UUUUU== 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. v2: Directly use unwinder_guess when regiser unwinder. Drop unwind type. Drop patch which add raw_show_trace parameter. Handle task == NULL case in unwind_start. Thanks for Qing and Huacai. Jinyang He (5): 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 generic ex-handler unwind in prologue unwinder arch/loongarch/include/asm/ftrace.h | 2 - arch/loongarch/include/asm/unwind.h | 37 +++- arch/loongarch/kernel/Makefile | 3 +- arch/loongarch/kernel/genex.S | 3 + arch/loongarch/kernel/process.c | 12 +- arch/loongarch/kernel/traps.c | 3 - arch/loongarch/kernel/unwind.c | 52 ++++++ arch/loongarch/kernel/unwind_guess.c | 45 ++--- arch/loongarch/kernel/unwind_prologue.c | 235 ++++++++++++++---------- arch/loongarch/mm/tlb.c | 2 +- 10 files changed, 242 insertions(+), 152 deletions(-) create mode 100644 arch/loongarch/kernel/unwind.c -- 2.34.3