{"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\/hr\/blog\/news\/podderzhka-rust-dlya-yadra-linux-stolknulas-s-kritikoj-torvaldsa","title":{"rendered":"Podr\u0161ka za Rust u jezgru Linuxa nai\u0161la je na kritiku Torvaldsa","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Linus Torvalds je pregledao ispravke s implementacijom mogu\u0107nosti kreiranja drajvera na jeziku Rust za Linux kernel i iznio nekoliko kriti\u010dkih zapa\u017eanja.    <\/p>\n<p>Najve\u0107e pritu\u017ebe izazvala je potencijalna mogu\u0107nost prelaska u panic() u gre\u0161nim situacijama, na primjer, u situaciji nedostatka memorije, kada operacije dinami\u010dke alokacije memorije, uklju\u010duju\u0107i i unutar samog kernela, mogu zavr\u0161iti gre\u0161kom. Torvalds je izjavio da je takav pristup u kernelu principijelno neprihvatljiv i da, ako se to ne shvati, mo\u017ee potpuno odbaciti (totally NAKed) bilo koji kod koji poku\u0161a primijeniti takav pristup. S druge strane, programer koji radi na ispravkama sla\u017ee se s ovim problemom i smatra ga rje\u0161ivim.    <\/p>\n<p>Jo\u0161 jedan problem su poku\u0161aji kori\u0161tenja izra\u010duna s pomi\u010dnom to\u010dkom ili 128-bitnim tipovima, \u0161to nije prihvatljivo za okru\u017eenja poput Linux jezgre. Ovo se pokazalo kao ozbiljniji problem, budu\u0107i da trenutna osnovna (core) biblioteka Rust predstavlja jedan veliki blob \u2014 ne postoji mogu\u0107nost da se zatra\u017ee samo neki od funkcionalnosti, sprje\u010davaju\u0107i kori\u0161tenje odre\u0111enih problemati\u010dnih funkcija. Rje\u0161enje ovog problema mo\u017ee zahtijevati promjene u Rust prevoditelju i biblioteci, a trenutno tim jo\u0161 uvijek nema strategiju za implementaciju modularnosti biblioteka jezika.    <\/p>\n<p>Osim toga, Torvalds je istaknuo da je dostavljeni primjer ure\u0111aja \u2014 beskoristan i savjetovao da se prilo\u017ei primjer nekog ure\u0111aja koji rje\u0161ava jedan od stvarnih problema.        <\/p>\n<p>Dopuna: Kompanija Google izjavila je o svom sudjelovanju u inicijativi za promociju podr\u0161ke Rust-u u Linux kernel i navela tehni\u010dke aspekte opravdanosti uvo\u0111enja Rust-a za re\u0161avanje problema koji nastaju usled gre\u0161aka pri radu s memorijom. Google smatra da je Rust ve\u0107 spreman pridru\u017eiti se C-u kao jezik za razvoj komponenti Linux kernela. U \u010dlanku su tako\u0111er navedeni primjeri kori\u0161tenja jezika Rust za razvoj drajvera kernela, u kontekstu njihove upotrebe na Android platformi (Rust je slu\u017ebeno podr\u017eani jezik za razvoj Android-a).     <\/p>\n<p>Primje\u0107uje se da je Google pripremio po\u010detni prototip izvo\u0111a\u010da napisanog na jeziku Rust za mehanizam me\u0111uprocesne komunikacije Binder, \u0161to \u0107e omogu\u0107iti detaljno usporedbu performansi i sigurnosti realizacija Bindera na C-u i Rustu. U trenutnom obliku rad jo\u0161 nije dovr\u0161en, ali su gotovo sve osnovne apstrakcije funkcionalnosti jezgre potrebne za rad Bindera pripremljene za kori\u0161tenje tih apstrakcija u kodu na jeziku Rust.<br \/>\n<br \/>Izvor: <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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