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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 246B1C25B67 for ; Fri, 27 Oct 2023 09:25:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235100AbjJ0JZp (ORCPT ); Fri, 27 Oct 2023 05:25:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35656 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229503AbjJ0JZn (ORCPT ); Fri, 27 Oct 2023 05:25:43 -0400 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 5BDA91BB for ; Fri, 27 Oct 2023 02:25:37 -0700 (PDT) Received: from loongson.cn (unknown [113.200.148.30]) by gateway (Coremail) with SMTP id _____8AxXOoPgjtl2Bg1AA--.10889S3; Fri, 27 Oct 2023 17:25:35 +0800 (CST) Received: from [10.130.0.149] (unknown [113.200.148.30]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Cxjd4NgjtlwlQ1AA--.50641S3; Fri, 27 Oct 2023 17:25:33 +0800 (CST) Subject: Re: [PATCH v4 8/8] LoongArch: Add ORC stack unwinder support To: Huacai Chen References: <1698048691-19521-1-git-send-email-yangtiezhu@loongson.cn> <1698048691-19521-9-git-send-email-yangtiezhu@loongson.cn> Cc: Josh Poimboeuf , Peter Zijlstra , loongarch@lists.linux.dev, linux-kernel@vger.kernel.org, loongson-kernel@lists.loongnix.cn From: Tiezhu Yang Message-ID: <4a516dcf-aac6-48c9-9082-ac812f313edc@loongson.cn> Date: Fri, 27 Oct 2023 17:25:33 +0800 User-Agent: Mozilla/5.0 (X11; Linux mips64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-CM-TRANSID: AQAAf8Cxjd4NgjtlwlQ1AA--.50641S3 X-CM-SenderInfo: p1dqw3xlh2x3gn0dqz5rrqw2lrqou0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29K BjDU0xBIdaVrnRJUUUm0b4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26c xKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1Y6r17M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vE j48ve4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxV AFwI0_Gr0_Cr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x02 67AKxVW8Jr0_Cr1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12xvs2x26I8E6x ACxx1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r126r1DMcIj6I8E 87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IY64vIr41lc7I2V7IY0V AS07AlzVAYIcxG8wCF04k20xvY0x0EwIxGrwCF54CYxVAaw2AFwI0_Jrv_JF1l4c8EcI0E c7CjxVAaw2AFwI0_JF0_Jw1l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1l4IxYO2xFxVAFwI0_Jr v_JF1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY 17CE14v26r126r1DMIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcV C0I7IYx2IY6xkF7I0E14v26r1j6r4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY 6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r1j6r4UYxBIdaVFxhVjvj DU0xZFpf9x07j83kZUUUUU= Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/27/2023 03:02 PM, Huacai Chen wrote: > v3 works in most cases, v4 cannot work completely (stop at show_stack), why? There are no obvious differences of this patch between v3 and v4. > [ 61.642993] Call Trace: > [ 61.642995] [<9000000002ad3808>] show_stack+0x40/0x17c I can not reproduce the above issue with this patch unless remove the option "-falign-functions" in arch/loongarch/Makefile, please make sure the option "-falign-functions" is in your test code. Thanks, Tiezhu