{"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\/sv\/blog\/news\/podderzhka-rust-dlya-yadra-linux-stolknulas-s-kritikoj-torvaldsa","title":{"rendered":"St\u00f6d f\u00f6r Rust i Linux-k\u00e4rnan har m\u00f6tt kritik fr\u00e5n Torvalds.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Linus Torvalds har granskat patcharna f\u00f6r implementeringen av m\u00f6jligheten att skapa drivrutiner p\u00e5 Rust-spr\u00e5ket f\u00f6r Linux-k\u00e4rnan och framf\u00f6rt vissa kritiska synpunkter.    <\/p>\n<p>De st\u00f6rsta inv\u00e4ndningarna v\u00e4cktes av den potentiella risken f\u00f6r att g\u00e5 in i panic() i felaktiga situationer, till exempel vid minnesbrist, d\u00e4r operationer med dynamisk minnesallokering, \u00e4ven inuti k\u00e4rnan, kan misslyckas. Torvalds h\u00e4vdade att en s\u00e5dan strategi i k\u00e4rnan \u00e4r principiellt oacceptabel och om det inte f\u00f6rst\u00e5s kan han helt avvisa (totally NAKed) all kod som f\u00f6rs\u00f6ker anv\u00e4nda en s\u00e5dan strategi. \u00c5 andra sidan h\u00f6ll utvecklaren som arbetade med patcharna med om problemet och anser att det \u00e4r l\u00f6sbart.    <\/p>\n<p>En annan utmaning har varit f\u00f6rs\u00f6k att anv\u00e4nda flyttalsber\u00e4kningar eller 128-bits datatyper, vilket inte \u00e4r till\u00e5tet i milj\u00f6er som Linux-k\u00e4rnan. Det visade sig vara ett allvarligare problem, eftersom den grundl\u00e4ggande Rust-biblioteket f\u00f6r n\u00e4rvarande \u00e4r odelbar och best\u00e5r av en stor blob - det finns ingen m\u00f6jlighet att beg\u00e4ra endast vissa funktioner och d\u00e4rmed f\u00f6rhindra anv\u00e4ndning av problematisk funktionalitet. Att l\u00f6sa problemet kan kr\u00e4va \u00e4ndringar i Rust-kompilatorn och biblioteket, medan teamet f\u00f6r n\u00e4rvarande inte har en strategi f\u00f6r hur man kan genomf\u00f6ra modul\u00e4ritet i spr\u00e5kets bibliotek.    <\/p>\n<p>Dessutom p\u00e5pekade Torvalds att det exempel p\u00e5 drivrutin som presenterades \u00e4r v\u00e4rdel\u00f6st och f\u00f6reslog att inkludera exempel p\u00e5 en drivrutin som l\u00f6ser ett av de verkliga problemen.        <\/p>\n<p>Komplement: Google har meddelat sitt deltagande i initiativet f\u00f6r att fr\u00e4mja st\u00f6det f\u00f6r Rust i Linux-k\u00e4rnan och angav de tekniska aspekterna av l\u00e4mpligheten att implementera Rust f\u00f6r att l\u00f6sa problem orsakade av fel i minneshantering. Google anser att Rust redan \u00e4r redo att ansluta sig till C som ett spr\u00e5k f\u00f6r utveckling av komponenter i Linux-k\u00e4rnan. Artikeln inneh\u00e5ller ocks\u00e5 exempel p\u00e5 anv\u00e4ndning av Rust f\u00f6r att utveckla k\u00e4rndrivrutiner, i kontexten av dess anv\u00e4ndning i Android-plattformen (Rust erk\u00e4nns som ett officiellt st\u00f6tt spr\u00e5k f\u00f6r Android-utveckling).     <\/p>\n<p>Det har noterats att Google har f\u00f6rberett en f\u00f6rsta prototyp av en drivrutin skriven i Rust f\u00f6r mekanismen f\u00f6r interprocesskommunikation, Binder, vilket m\u00f6jligg\u00f6r en detaljerad j\u00e4mf\u00f6relse av prestanda och s\u00e4kerhet mellan implementationer av Binder i C och Rust. Arbetet \u00e4r \u00e4nnu inte fullbordat, men n\u00e4stan alla grundl\u00e4ggande abstraktioner av k\u00e4rnans funktionalitet som beh\u00f6vs f\u00f6r att anv\u00e4nda Binder har beretts f\u00f6r att anv\u00e4ndas med dessa abstraktioner i Rust-kod.<br \/>\n<br \/>K\u00e4lla: <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 5.0.4 - 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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