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 D4D06C43334 for ; Tue, 28 Jun 2022 00:32:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242274AbiF1Aco (ORCPT ); Mon, 27 Jun 2022 20:32:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34406 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240417AbiF1Acl (ORCPT ); Mon, 27 Jun 2022 20:32:41 -0400 Received: from mail-ed1-x531.google.com (mail-ed1-x531.google.com [IPv6:2a00:1450:4864:20::531]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 247B211C39 for ; Mon, 27 Jun 2022 17:32:40 -0700 (PDT) Received: by mail-ed1-x531.google.com with SMTP id fd6so15331464edb.5 for ; Mon, 27 Jun 2022 17:32:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=8Q3mnW84jUqdgpykLDoSX2GKb3HxOWqoNxuuDWEfYTk=; b=aN8n/Ewk6msXQ/9qK+grUusqgi+DBFsyTdUqs+HaoMooD4AgjAqtDrFjAqFuNJCLmT vgQfk8zmvnDI4+T/yJhYyvj6uveVJhrnAP/rfXNsxSBKv19ZW7leWtr1ToERksnD7NBF kuy/+nPGZYkJOGigjxJNMbCyFk/Dc9bJhyugH4FYNPQaTFsmlKabASzJ1CYkey1rkqtL RqOkFCrRTpHOIFxklgG7LJrOKsjX4MiEH55eZCdbw4uGvkgMOQzZVxTwLANMkp83BheC 2XLgmfqezKJ9HFVcjWHANJxx/kpoOqr310uFVy96m6SW8/MUA1iYN6L+O2Z9JmR+2YMU hS2w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=8Q3mnW84jUqdgpykLDoSX2GKb3HxOWqoNxuuDWEfYTk=; b=I0jQCzasDFCKBGD58/rwk2mqIE11kd7LI4rhGzrdqjTcBcOo5A7x8RNr3QMFMc3sNb Nz9IhCY/gJOZidAGjyDbYfTsvgd0Skzp478pq7rr1bynvl0tc4qdphaoqKZ3sFFHLw6m /j+Hu+5g8LZJtmDamoTqkP7QxSWv1oYh/f1ftojl32eJqMAlRRnw3hxGbvvgZTTV5RTd LZ1HzNlT2nrA6kXNYXThmDSgq5Ew+Qnd6OmWZ1uHyT26xMDgCzZ6wANSEYJ3J8hpEFL8 DF4TKNVGZ7rttpV6Hw9PpQlg8NuvWfzQDSp4dcGdc9NmgrXFCQDMNg9RJfmFcHWpMjHD /r1g== X-Gm-Message-State: AJIora8WhClJOkKAkYUzzJ3ZB79wRrG98iWQXJufAvIFmo+Np/EMcbwn sc2ysOnZTnznNYDdGnxjIYJW X-Google-Smtp-Source: AGRyM1tqCn8Fe1/4bgFm3vpkdRdORJ78GjESczmpnULUOJh4m6d3ktzRSG2FQW8G5SvIYFHeUACdTw== X-Received: by 2002:a05:6402:510b:b0:437:28b0:8988 with SMTP id m11-20020a056402510b00b0043728b08988mr20709681edd.260.1656376358509; Mon, 27 Jun 2022 17:32:38 -0700 (PDT) Received: from google.com (64.227.90.34.bc.googleusercontent.com. [34.90.227.64]) by smtp.gmail.com with ESMTPSA id i13-20020a170906444d00b00722eeb368cesm5652978ejp.64.2022.06.27.17.32.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Jun 2022 17:32:37 -0700 (PDT) Date: Tue, 28 Jun 2022 00:32:33 +0000 From: Wedson Almeida Filho To: Peter Zijlstra Cc: Tejun Heo , Linus Torvalds , "Eric W. Biederman" , Christian Brauner , Petr Mladek , Lai Jiangshan , Michal Hocko , Linux Kernel Mailing List , Thomas Gleixner , Ingo Molnar , Andrew Morton , Oleg Nesterov Subject: Re: [PATCH 3/3] kthread: Stop abusing TASK_UNINTERRUPTIBLE (INCOMPLETE) Message-ID: References: <87ilonuti2.fsf_-_@email.froward.int.ebiederm.org> <871qvbutex.fsf_-_@email.froward.int.ebiederm.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 28, 2022 at 12:06:29AM +0200, Peter Zijlstra wrote: > On Mon, Jun 27, 2022 at 06:04:12PM +0000, Wedson Almeida Filho wrote: > > > let new_thread = task::new_paused(|| pr_info!("Hello world\n"))?; > > I'm still having a really hard time with this Rust stuff, the above > looks like a syntax error and random characters to me :/ Peter, I meant to ask in my previous email: setting aside the syntax for a moment, do you have an opinion on the sort of things that Rust allows us to enforce at compile time (as exemplified in the new_paused() fragment)?