Miguel Ojeda, autor projektu Rust-for-Linux, navrhl pro v\u00fdvoj\u00e1\u0159e j\u00e1dra Linux vyd\u00e1n\u00ed verze 10 komponent pro v\u00fdvoj ovlada\u010d\u016f za\u0159\u00edzen\u00ed v jazyce Rust. Toto je jeden\u00e1ct\u00e1 edice patch\u016f zohled\u0148uj\u00edc\u00ed prvn\u00ed variantu, publikovanou bez \u010d\u00edsla verze. Zahrnut\u00ed podpory pro Rust bylo schv\u00e1leno Linusem Torvalds pro za\u0159azen\u00ed do j\u00e1dra Linux 6.1, pokud se nevyskytnou ne\u010dekan\u00e9 probl\u00e9my. V\u00fdvoj je financov\u00e1n spole\u010dnost\u00ed Google a organizac\u00ed ISRG (Internet Security Research Group), kter\u00e1 je zakladatelem projektu Let's Encrypt a p\u0159isp\u00edv\u00e1 k propagaci HTTPS a rozvoji technologi\u00ed pro zlep\u0161en\u00ed bezpe\u010dnosti internetu. <\/p>\n
Stejn\u011b jako p\u0159edchoz\u00ed varianta patch\u016f je vyd\u00e1n\u00ed v10 omezeno na nezbytn\u00e9 minimum pot\u0159ebn\u00e9 pro sestaven\u00ed jednoduch\u00e9ho modulu j\u00e1dra napsan\u00e9ho v jazyce Rust. Rozd\u00edly od p\u0159edchoz\u00ed verze se t\u00fdkaj\u00ed drobn\u00fdch \u00faprav, nahrazen\u00ed sizeof za ARRAY_SIZE v kallsyms.c a p\u0159izp\u016fsoben\u00ed patch\u016f j\u00e1dru v6.0-rc7. P\u0159edpokl\u00e1d\u00e1 se, \u017ee minim\u00e1ln\u00ed patch, jeho\u017e velikost byla zkr\u00e1cena z 40 na 13 tis\u00edc \u0159\u00e1dk\u016f k\u00f3du, usnadn\u00ed p\u0159ijet\u00ed podpory Rust do hlavn\u00edho j\u00e1dra. Po zaji\u0161t\u011bn\u00ed minim\u00e1ln\u00ed podpory se pl\u00e1nuje postupn\u00e9 zvy\u0161ov\u00e1n\u00ed existuj\u00edc\u00ed funk\u010dnosti, p\u0159esunem dal\u0161\u00edch zm\u011bn z v\u011btve Rust-for-Linux. <\/p>\n
Navrhovan\u00e9 zm\u011bny umo\u017e\u0148uj\u00ed pou\u017e\u00edt Rust jako druh\u00fd jazyk pro v\u00fdvoj ovlada\u010d\u016f a modul\u016f j\u00e1dra. Podpora Rustu je prezentov\u00e1na jako volba, kter\u00e1 nen\u00ed aktivn\u00ed ve v\u00fdchoz\u00edm nastaven\u00ed a nevy\u017eaduje zahrnut\u00ed Rustu mezi povinn\u00e9 z\u00e1vislosti pro sestaven\u00ed j\u00e1dra. Pou\u017eit\u00ed Rustu pro v\u00fdvoj ovlada\u010d\u016f umo\u017en\u00ed s minim\u00e1ln\u00edm \u00fasil\u00edm vytv\u00e1\u0159et bezpe\u010dn\u00e9 a kvalitn\u011bj\u0161\u00ed ovlada\u010de, zbaven\u00e9 probl\u00e9m\u016f jako je p\u0159\u00edstup do oblasti pam\u011bti po jej\u00edm uvoln\u011bn\u00ed, dereference nulov\u00fdch ukazatel\u016f a p\u0159ete\u010den\u00ed bufferu. <\/p>\n
Bezpe\u010dn\u00e1 pr\u00e1ce s pam\u011bt\u00ed je zaji\u0161t\u011bna v Rustu b\u011bhem kompilace prost\u0159ednictv\u00edm kontroly odkaz\u016f, sledov\u00e1n\u00ed vlastnictv\u00ed objekt\u016f a zohledn\u011bn\u00ed doby \u017eivota objekt\u016f (oblast\u00ed viditelnosti), stejn\u011b jako hodnocen\u00edm spr\u00e1vnosti p\u0159\u00edstupu k pam\u011bti b\u011bhem vykon\u00e1v\u00e1n\u00ed k\u00f3du. Rust tak\u00e9 poskytuje prost\u0159edky k ochran\u011b p\u0159ed p\u0159ete\u010den\u00edm celo\u010d\u00edseln\u00fdch hodnot, vy\u017eaduje povinnou inicializaci hodnot prom\u011bnn\u00fdch p\u0159ed pou\u017eit\u00edm, l\u00e9pe zpracov\u00e1v\u00e1 chyby ve standardn\u00ed knihovn\u011b, aplikuje koncept nem\u011bnnosti (immutable) odkaz\u016f a prom\u011bnn\u00fdch ve v\u00fdchoz\u00edm nastaven\u00ed, a nab\u00edz\u00ed silnou statickou typizaci pro minimalizaci logick\u00fdch chyb. \u041c\u0438\u0433\u0435\u043b\u044c \u041e\u0445\u0435\u0434\u0430 (Miguel Ojeda), \u0430\u0432\u0442\u043e\u0440 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Rust-for-Linux, \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0438\u043b \u0434\u043b\u044f \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0435\u043d\u0438\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430\u043c\u0438 \u044f\u0434\u0440\u0430 Linux \u0432\u044b\u043f\u0443\u0441\u043a v10 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u043e\u0432 \u0434\u043b\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u043e\u0432 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust. \u042d\u0442\u043e \u043e\u0434\u0438\u043d\u043d\u0430\u0434\u0446\u0430\u0442\u0430\u044f \u0440\u0435\u0434\u0430\u043a\u0446\u0438\u044f \u043f\u0430\u0442\u0447\u0435\u0439 \u0441 \u0443\u0447\u0451\u0442\u043e\u043c \u043f\u0435\u0440\u0432\u043e\u0433\u043e \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0430, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0431\u0435\u0437 \u043d\u043e\u043c\u0435\u0440\u0430 \u0432\u0435\u0440\u0441\u0438\u0438. \u0412\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 Rust \u043e\u0434\u043e\u0431\u0440\u0435\u043d\u043e \u041b\u0438\u043d\u0443\u0441\u0443\u043c \u0422\u043e\u0440\u0432\u0430\u043b\u044c\u0434\u0441\u043e\u043c \u0434\u043b\u044f \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 \u044f\u0434\u0440\u0430 Linux 6.1, \u0435\u0441\u043b\u0438 \u043d\u0435 \u0432\u0441\u043f\u043b\u044b\u0432\u0443\u0442 \u043d\u0435\u043f\u0440\u0435\u0434\u0432\u0438\u0434\u0435\u043d\u043d\u044b\u0435 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b. \u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u0444\u0438\u043d\u0430\u043d\u0441\u0438\u0440\u0443\u0435\u0442\u0441\u044f […]<\/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-105187","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Des\u00e1t\u00e1 verze patch\u016f pro j\u00e1dro Linux s podporou jazyka Rust | ProHoster","description":"Miguel Ojeda, autor projektu Rust-for-Linux, navrhl v\u00fdvoj\u00e1\u0159\u016fm j\u00e1dra Linux vyd\u00e1n\u00ed v10 komponent pro v\u00fdvoj ovlada\u010d\u016f za\u0159\u00edzen\u00ed v jazyce 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\u041e\u0445\u0435\u0434\u0430 (Miguel Ojeda), \u0430\u0432\u0442\u043e\u0440 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Rust-for-Linux, \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0438\u043b \u0434\u043b\u044f \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0435\u043d\u0438\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430\u043c\u0438 \u044f\u0434\u0440\u0430 Linux \u0432\u044b\u043f\u0443\u0441\u043a v10 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u043e\u0432 \u0434\u043b\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u043e\u0432 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 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Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"