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=-8.6 required=5.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_MSPIKE_H2, USER_IN_DEF_DKIM_WL autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 24245 invoked from network); 28 Jul 2022 17:27:41 -0000 Received: from second.openwall.net (193.110.157.125) by inbox.vuxu.org with ESMTPUTF8; 28 Jul 2022 17:27:41 -0000 Received: (qmail 1796 invoked by uid 550); 28 Jul 2022 17:27:38 -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 1758 invoked from network); 28 Jul 2022 17:27:37 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=7BQbnKnH7Be6hIb+3UDTEHlYi/K9AW1v963bHMzzxF4=; b=ewU4N/QVreum0qu3VDFyvU6r5oCO04Zmx88ytTSfzh5fHukdBu4GXiv1Gv69zed9GF 4m7LyvMFrjIBzOJd4TKzZAfOLVn8OrIbKOxDqmti49MGP9dhWTCVb4MqjFS2wFyG77pI E/PcAaJLKL/9ZknKpoy7WgI2jRRQiO9DApbVBMCL9YW7QtmJkGxfvTHp2169fmxurxto svRyh9LZQzBUbkJoXc6B1pmVZakFkK4POgBDKDicZTn5UCY5JmGUI+dZs1+ulTdq4xBH C7rcVQ0RL2KUU79YftSTzjZBMXNL4ROAlolcfcwRUWu2MUEDk/IDUWiyRHWkLxeEqmMB AaOw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=7BQbnKnH7Be6hIb+3UDTEHlYi/K9AW1v963bHMzzxF4=; b=YvlMmHaWnpPlBZa8FkIJ5TLvCiL0qUhiWP9PZnLhINxjtVnrfrsSl13382UjdMpurE aL7LVnPgT6ZtljKFGVNfkuudmgabAO/24iy1Qk00FkSOkX9HxupWAohygOSMwgVM3dZL ZzcWu06DaKC3VNEHO7y5aawK/ynjlAorve5sVvCHFF3SIG6rXnv6FNw2FKnkAZxsTeDp 3AyZ9Abz3xEygyaCVejRTJBTOIY5f0oh4/pYEP0TU5RJVcaLqmXjYse2pPEPwMWu20+K /AEbZ2pa5tBDFmniXLVHSGDS/61+TKqm6xz6XSJHmuQPjWnFgLNzRDh/qij/XedRbDcd rXQg== X-Gm-Message-State: AJIora+yySGNZzitD0WfyI1l1FDIHoulajC2cUMAjbY7E9EA3l/jT7kT rhw2I5UMB0m3Je8Gz8+veynQV7quDC/bngMbTo6xWnKSKARq/Q== X-Google-Smtp-Source: AGRyM1uEpCc3PrgF/aZLBAELa80rasH/4lKWCrZ6QgOfKCgyl1tbuJ0lvCl9AQpNfsrlbWPxCJ+WWP242ZLj49Nnn/A= X-Received: by 2002:a2e:751:0:b0:25d:d6d0:edbc with SMTP id i17-20020a2e0751000000b0025dd6d0edbcmr9081041ljd.120.1659029244321; Thu, 28 Jul 2022 10:27:24 -0700 (PDT) MIME-Version: 1.0 References: <43e9ad2b-d53c-5fd5-0211-766f946c90f9@landley.net> <48546934-5ccd-0b1e-bf2b-306133101c6b@landley.net> <20220727175859.GC1320090@port70.net> <652507478.86440.1658957388428.JavaMail.zimbra@efficios.com> In-Reply-To: <652507478.86440.1658957388428.JavaMail.zimbra@efficios.com> From: enh Date: Thu, 28 Jul 2022 10:27:12 -0700 Message-ID: To: musl@lists.openwall.com Cc: Rob Landley , Michael Jeanson , Mathieu Desnoyers Content-Type: text/plain; charset="UTF-8" Subject: Re: [musl] Re: sysconf(_SC_NPROCESSORS_CONF) broken. interesting... in case anyone's wondering why bionic didn't use /sys/devices/system/cpu/possible, i didn't know it existed. i'm pretty tempted to move us over to that. not because of the distinction between "present" and "possible" -- i'm assuming over here in mobile those two should always be the same anyway -- but because i can just share code with "online" and do slightly less work than the current directory scan... On Wed, Jul 27, 2022 at 4:00 PM Jonathan Rajotte-Julien wrote: > > Hi, > > > > > i think the most recent thread on the topic: > > https://www.openwall.com/lists/musl/2021/07/06/2 > > > > an older discussion is at > > https://www.openwall.com/lists/musl/2019/03/15/5 > > > FIY, we recently had to revisit our handling of all this. > > See [1]. > > Which seems to be similar to what Vincent Donnefort, from [2], proposed. > > A follow up to unify our approach is also available here[3]. > > [1] https://github.com/lttng/lttng-ust/commit/66dbdc3448a77043d0fd59f47b17e77a8d59fddb > [2] https://www.openwall.com/lists/musl/2021/07/06/2 > [3] https://review.lttng.org/c/lttng-ust/+/8619 > > Cheers