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=-3.3 required=5.0 tests=MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED,RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 16329 invoked from network); 11 May 2022 07:12:37 -0000 Received: from mother.openwall.net (195.42.179.200) by inbox.vuxu.org with ESMTPUTF8; 11 May 2022 07:12:37 -0000 Received: (qmail 20191 invoked by uid 550); 11 May 2022 07:12:27 -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 20159 invoked from network); 11 May 2022 07:12:26 -0000 X-Gm-Message-State: AOAM531bAkuAFtjtKwsfxqM4AAoW5Tb+EHE+8QCyS/ac8wGPjz8oLQTZ upAKgbU7kbsbxrIey7Mr3h7yqUyFiEXIVe6c44w= X-Google-Smtp-Source: ABdhPJwX01FoB2ZgXBUIcOIxtA7Ea99HJs3NHFXbjQPgP93qP8mFm4KZw803sVc8TjQKsX7r+vkKlUYg6sohAwed5NE= X-Received: by 2002:a81:1697:0:b0:2fa:32f9:78c8 with SMTP id 145-20020a811697000000b002fa32f978c8mr23526553yww.135.1652253133436; Wed, 11 May 2022 00:12:13 -0700 (PDT) MIME-Version: 1.0 References: <20220430090518.3127980-1-chenhuacai@loongson.cn> <20220430090518.3127980-14-chenhuacai@loongson.cn> <20220507121104.7soocpgoqkvwv3gc@wittgenstein> <20220509100058.vmrgn5fkk3ayt63v@wittgenstein> In-Reply-To: <20220509100058.vmrgn5fkk3ayt63v@wittgenstein> From: Arnd Bergmann Date: Wed, 11 May 2022 09:11:56 +0200 X-Gmail-Original-Message-ID: Message-ID: To: Christian Brauner Cc: Arnd Bergmann , Huacai Chen , Huacai Chen , Andy Lutomirski , Thomas Gleixner , Peter Zijlstra , Andrew Morton , David Airlie , Jonathan Corbet , Linus Torvalds , linux-arch , "open list:DOCUMENTATION" , Linux Kernel Mailing List , Xuefeng Li , Yanteng Si , Guo Ren , Xuerui Wang , Jiaxun Yang , Linux API , GNU C Library , musl@lists.openwall.com Content-Type: text/plain; charset="UTF-8" X-Provags-ID: V03:K1:9ZtaO+oanweVMavs46sjKKNa8Gz63soJdihSzx1qiY/yNbza6XQ hVn4bsG9V0/wJ38fx20jjHmkr7VTTamwgDtAVgkxdU8HRmk3Baq8DFtOBA82SwhVO2DRDe5 Ooi9aoxpdnBaWlkbjhiCpRAaVFHVaF5efK5NWQojXZdWGqdvQ2hRsNzmj/x3H2D7j9LBOMJ BA3Yjlphxs6WKi0YOagQA== X-UI-Out-Filterresults: notjunk:1;V03:K0:yosLRw37BIQ=:Nli/Hg7De8TfUWrOfL+OlW b2ceLfWi3H8z2//joDes7sQkaCN+9LjLIoBZiKlBf7d8g9yAbRM+k27rqz20MqNk+fyT4fdo+ lbxQTf0j3GzPGt/TKWDCQ+cgsd5b+Q+rZNY6u5jM3Oet24UpHQVkVdlsBsa3/aGNG495xktGE hsWhYD4+caH25/LkUjPO8xzRMjKZXhnyI/HKYJAMhAG6pBwVC7yh9c4sXCOyBcEHsLW7uQGY2 KfkkmH/ectYU4JUttspA/N/f/K3Evn2I2F3l6ALCC0umZy6ujwEr48k3CgvZ6lz97veRnit51 LUnFS6LixDoP9CR1ud/exxuelUaHPovtNHZvXJ/0eD4Y5oQ6vNKR0PxdF588Wp7ZWPAWtcuq0 DxkbfI2Iz0lg9nRCeAxuzV1zpCoBNlVrmyN1TmJD6rrb2cgJfvWSEMPpj9jp8UETo+wG31AYd mZeg01EHJDpVHfqybAOfwbdZdrKDQieCbwcSFJuw3lNz9P2Fu+l8ZmF1gYA/VB7A57lmSPELB YX9EXHOy9ykUuh3aGQds5egO70mzyVNNzxbcoUTwZe1oXg56yapALtTMWnb4isihopP3HmlXa bSG6fli3Jy1fcQrVGv2f2FJExAJoC/MZF+K76CS+5SRrkazV8stvfc9J4LBNjQnmszTGzmxuy jy2r94s/Cfm5d6HMuBXbKM72TpMEbye1drz5GMJymluPxpCD0RRTm+Qm1TdcjEhmMo43/HDVb 8YECnBR75mRTQE/vBT7H4T4qWzNSZCBm9/dwpSSeQRt8bQDlizuAWBrv0mSb8eR7iTSFewzZk WMv0yHvSmEtwYNfrvBN1knDCsLVY0qiOhVyNEQrcy7FpMe/7Po= Subject: [musl] Re: [PATCH V9 13/24] LoongArch: Add system call support On Mon, May 9, 2022 at 12:00 PM Christian Brauner wrote: .... > I can try and move a poc for this up the todo list. > > Without an approach like this certain sandboxes will fallback to > ENOSYSing system calls they can't filter. This is a generic problem > though with clone3() being one promiment example. Thank you for the detailed reply. It sounds to me like this will eventually have to get solved anyway, so we could move ahead without clone() on loongarch, and just not have support for Chrome until this is fully solved. As both the glibc and musl ports are being proposed for inclusion right now, we should try to come to a decision so the libc ports can adjust if necessary. Adding both mailing lists to Cc here, the discussion is archived at [1]. Arnd [1] https://lore.kernel.org/linux-arch/20220509100058.vmrgn5fkk3ayt63v@wittgenstein/