From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=0.1 required=5.0 tests=FAKE_REPLY_A1, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.4 Received: (qmail 23025 invoked from network); 31 Mar 2022 06:21:08 -0000 Received: from mother.openwall.net (195.42.179.200) by inbox.vuxu.org with ESMTPUTF8; 31 Mar 2022 06:21:08 -0000 Received: (qmail 23931 invoked by uid 550); 31 Mar 2022 06:21:05 -0000 Mailing-List: contact musl-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Reply-To: musl@lists.openwall.com Received: (qmail 23893 invoked from network); 31 Mar 2022 06:21:04 -0000 From: =?UTF-8?B?546L5rSq5Lqu?= To: musl@lists.openwall.com Message-ID: <64c0ef49-4618-8eca-c826-bd2a840c284b@loongson.cn> Date: Thu, 31 Mar 2022 14:20:51 +0800 User-Agent: Mozilla/5.0 (X11; Linux mips64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-CM-TRANSID:AQAAf9DxPxNESEVi6q4TAA--.22308S3 X-Coremail-Antispam: 1UD129KBjvJXoW7uF4UAw4rtr48trW3Cr1DGFg_yoW8Kr1UpF yIvF1UKFyUGF48Gw18tr10qryIyr1xJ3y7Jry5G3W8AF15X34Fqry8Z39Y9r1UJ3yrGw1j yw40vr1DuF4DAFUanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUvYb7Iv0xC_KF4lb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I2 0VC2zVCF04k26cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rw A2F7IY1VAKz4vEj48ve4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xII jxv20xvEc7CjxVAFwI0_Cr0_Gr1UM28EF7xvwVC2z280aVAFwI0_Cr1j6rxdM28EF7xvwV C2z280aVCY1x0267AKxVW0oVCq3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC 0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr 1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcVAKI48JMxk0xIA0c2IEe2xFo4CEbIxvr21l c2xSY4AK6svPMxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I 8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUJVWU XwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x 0267AKxVWUJVW8JwCI42IY6xAIw20EY4v20xvaj40_WFyUJVCq3wCI42IY6I8E87Iv67AK xVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r1j6r4UYxBIdaVFxhVjvjDU0xZFpf9x07 jOb18UUUUU= X-CM-SenderInfo: pzdqwxxrqjzxhdqjqz5rrqw2lrqou0/ Subject: Re: [musl] Re: add loongarch64 port 在 2022/3/29 下午4:26, Arnd Bergmann 写道: > On Tue, Mar 29, 2022 at 10:12 AM 王洪亮 wrote: >> Hi, >> >> we have published 0001-add-loongarch64-port-v2.patch in >> >> https://github.com/loongson/musl/tree/loongarch-v1.0. >> >> The patch v2 fixed the issues pointed out in v1. >> >> have any other issues to modify? > I see you still refer to the system calls that I asked to be removed from > the kernel: clone() and the old stat() family (pre-statx). Please use > only the system calls that are actually supported in mainline kernels, > otherwise it does not work. Hi,  Arnd I understand the new system call is clone3() ? I found musl does not support the clone3() call now, I can implement the clone3() in LoongArch for future called. I do not understand what is old stat() family (pre-statx) ?  what is new ? I compare the system call  that related the stat  in musl and mainline kernel 5.17, they are consistent. #define __NR3264_statfs     43            /*sys_statfs*/ #define __NR3264_fstatfs    44           /*sys_fstatfs*/ #define __NR3264_fstatat   79          /*sys_newfstatat*/ #define __NR3264_fstat      80            /*sys_newfstat*/ #define __NR_statx             291           /*sys_statx*/ #define __NR_statfs                 __NR3264_statfs #define __NR_fstatfs               __NR3264_fstatfs #define __NR_newfstatat      __NR3264_fstatat #define __NR_fstat                 __NR3264_fstat > For the signal list, the stdint.h header, and the 'struct stat' and > 'struct kstat' > definitions, I would expect that there is already an architecture-independent > definition in musl that you can use, as these should be the same for > all new architectures. I understand the meaning is  define signal.h, stdint.h, struct stat and struct kstat in generic, LoongArch use the generic definition. can we deal with this issue separately ? 1.LoongArch port based on the existing software framework in musl. 2.implement the generic definitions in musl, LoongArch use the architecture-independent definition. Hongliang Wang. > > Arnd