{"id":99807,"date":"2021-04-15T10:22:39","date_gmt":"2021-04-15T08:22:39","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/podderzhka-rust-dlya-yadra-linux-stolknulas-s-kritikoj-torvaldsa"},"modified":"2021-04-15T10:22:39","modified_gmt":"2021-04-15T08:22:39","slug":"podderzhka-rust-dlya-yadra-linux-stolknulas-s-kritikoj-torvaldsa","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/podderzhka-rust-dlya-yadra-linux-stolknulas-s-kritikoj-torvaldsa","title":{"rendered":"Le support de Rust pour le noyau Linux a \u00e9t\u00e9 critiqu\u00e9 par Torvalds","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Linus Torvalds a examin\u00e9 les correctifs pour la mise en \u0153uvre de la possibilit\u00e9 de cr\u00e9er des pilotes en Rust pour le noyau Linux et a exprim\u00e9 certaines critiques.    <\/p>\n<p>Les principales pr\u00e9occupations portaient sur la possibilit\u00e9 potentielle de provoquer un panic() dans des situations d'erreur, par exemple lors d'un manque de m\u00e9moire, lorsque les op\u00e9rations de m\u00e9moire dynamique, y compris \u00e0 l'int\u00e9rieur du noyau, peuvent \u00e9chouer. Torvalds a d\u00e9clar\u00e9 qu'une telle approche dans le noyau est fondamentalement inacceptable et qu'en cas de malentendu sur ce point, il peut compl\u00e8tement rejeter (totally NAKed) tout code qui tentera d'utiliser une telle approche. D'autre part, le d\u00e9veloppeur des correctifs a reconnu ce probl\u00e8me et estime qu'il est r\u00e9solvable.    <\/p>\n<p>Un autre probl\u00e8me a \u00e9t\u00e9 les tentatives d'utilisation de calculs en virgule flottante ou de types 128 bits, ce qui n'est pas acceptable dans des environnements tels que le noyau Linux. Cela s'est av\u00e9r\u00e9 \u00eatre un probl\u00e8me plus grave, car \u00e0 l'heure actuelle, la biblioth\u00e8que de base (core) de Rust est indivisible et constitue un gros blob \u2014 il n'est pas possible de demander seulement certaines fonctionnalit\u00e9s, emp\u00eachant ainsi l'utilisation de fonctionnalit\u00e9s probl\u00e9matiques. La solution \u00e0 ce probl\u00e8me pourrait n\u00e9cessiter des modifications dans le compilateur Rust et la biblioth\u00e8que, alors qu'\u00e0 l'heure actuelle, l'\u00e9quipe n'a toujours pas de strat\u00e9gie pour mettre en \u0153uvre la modularit\u00e9 des biblioth\u00e8ques du langage.    <\/p>\n<p>De plus, Torvalds a not\u00e9 que l'exemple de pilote fourni \u00e9tait inutile et a conseill\u00e9 de fournir en exemple un pilote r\u00e9solvant l'une des t\u00e2ches r\u00e9elles.        <\/p>\n<p>Compl\u00e9ment : L'entreprise Google a annonc\u00e9 sa participation \u00e0 l'initiative visant \u00e0 promouvoir la prise en charge de Rust dans le noyau Linux et a expos\u00e9 les aspects techniques de la pertinence de l'int\u00e9gration de Rust pour lutter contre les probl\u00e8mes caus\u00e9s par des erreurs de gestion de la m\u00e9moire. Google estime que Rust est d\u00e9j\u00e0 pr\u00eat \u00e0 rejoindre le C en tant que langage pour le d\u00e9veloppement de composants du noyau Linux. L'article pr\u00e9sente \u00e9galement des exemples d'utilisation de Rust pour le d\u00e9veloppement de pilotes de noyau, dans le contexte de son utilisation sur la plateforme Android (Rust est reconnu comme un langage officiellement pris en charge pour le d\u00e9veloppement Android).     <\/p>\n<p>Il est not\u00e9 que Google a pr\u00e9par\u00e9 un prototype initial d'un pilote \u00e9crit en Rust pour le m\u00e9canisme de communication inter-processus Binder, ce qui permettra une comparaison d\u00e9taill\u00e9e des performances et de la s\u00e9curit\u00e9 des impl\u00e9mentations de Binder en C et en Rust. Dans son \u00e9tat actuel, le travail n'est pas encore achev\u00e9, mais des couches ont d\u00e9j\u00e0 \u00e9t\u00e9 pr\u00e9par\u00e9es pour presque toutes les abstractions de base des fonctionnalit\u00e9s du noyau n\u00e9cessaires au fonctionnement de Binder, permettant d'utiliser ces abstractions dans du code Rust.<br \/>\n<br \/>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=54970\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041b\u0438\u043d\u0443\u0441 \u0422\u043e\u0440\u0432\u0430\u043b\u044c\u0434\u0441 \u043f\u0440\u043e\u0432\u0451\u043b \u0440\u0435\u0446\u0435\u043d\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u0430\u0442\u0447\u0435\u0439 c \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u043e\u0432 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust \u0434\u043b\u044f \u044f\u0434\u0440\u0430 Linux, \u0438 \u0432\u044b\u0441\u043a\u0430\u0437\u0430\u043b \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0437\u0430\u043c\u0435\u0447\u0430\u043d\u0438\u044f. \u041d\u0430\u0438\u0431\u043e\u043b\u044c\u0448\u0438\u0435 \u043f\u0440\u0435\u0442\u0435\u043d\u0437\u0438\u0438 \u0432\u044b\u0437\u0432\u0430\u043b\u0430 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u0430\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0443\u0445\u043e\u0434\u0430 \u0432 panic() \u0432 \u043e\u0448\u0438\u0431\u043e\u0447\u043d\u044b\u0445 \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u044f\u0445, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0432 \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u0438 \u043d\u0435\u0445\u0432\u0430\u0442\u043a\u0438 \u043f\u0430\u043c\u044f\u0442\u0438, \u043a\u043e\u0433\u0434\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u043f\u0430\u043c\u044f\u0442\u0438, \u0432 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u0438 \u0432\u043d\u0443\u0442\u0440\u0438 \u044f\u0434\u0440\u0430, \u043c\u043e\u0433\u0443\u0442 \u0437\u0430\u0432\u0435\u0440\u0448\u0438\u0442\u044c\u0441\u044f \u043e\u0448\u0438\u0431\u043a\u043e\u0439. \u0422\u043e\u0440\u0432\u0430\u043b\u044c\u0434\u0441 \u0437\u0430\u044f\u0432\u0438\u043b, \u0447\u0442\u043e \u043f\u043e\u0434\u043e\u0431\u043d\u044b\u0439 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-99807","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041b\u0438\u043d\u0443\u0441 \u0422\u043e\u0440\u0432\u0430\u043b\u044c\u0434\u0441 \u043f\u0440\u043e\u0432\u0451\u043b \u0440\u0435\u0446\u0435\u043d\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u0430\u0442\u0447\u0435\u0439 c \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u043e\u0432 \u043d\u0430 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