{"id":122013,"date":"2025-02-20T14:22:05","date_gmt":"2025-02-20T12:22:05","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/mnenie-grega-kroa-hartmana-i-kejsa-kuka-o-prodvizhenii-rust-v-yadro-linux"},"modified":"2025-02-20T14:22:05","modified_gmt":"2025-02-20T12:22:05","slug":"mnenie-grega-kroa-hartmana-i-kejsa-kuka-o-prodvizhenii-rust-v-yadro-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/mnenie-grega-kroa-hartmana-i-kejsa-kuka-o-prodvizhenii-rust-v-yadro-linux","title":{"rendered":"N\u00e1zor Gr\u00e9ga Crow-Hartmana a Kejsa Cuka o propag\u00e1cii Rustu v jadre Linux","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Greg Kroah-Hartman, ktor\u00fd zodpoved\u00e1 za podporu stabilnej vetvy jadra Linux, vyjadril podporu v\u00fdvoju nov\u00fdch komponentov jadra v jazyku Rust. Ako \u010dlovek, cez ktor\u00e9ho prech\u00e1dzaj\u00fa v\u0161etky inform\u00e1cie o chyb\u00e1ch a zranite\u013enostiach v jadre Linux u\u017e posledn\u00fdch 15 rokov, tvrd\u00ed, \u017ee v\u00e4\u010d\u0161ina ch\u00fdb v jadre je sp\u00f4soben\u00e1 nezoh\u013eadnen\u00fdmi \u0161pecifick\u00fdmi situ\u00e1ciami v jazyku C, ktor\u00e9 s\u00fa \u00faplne vyl\u00fa\u010den\u00e9 v k\u00f3de v jazyku Rust. <\/p>\n

Pou\u017e\u00edvanie Rustu umo\u017en\u00ed opusti\u0165 v minulosti tak\u00e9 probl\u00e9my, ako je pr\u00edstup k pam\u00e4ti po jej uvo\u013enen\u00ed, \u010diasto\u010dne prete\u010denie pam\u00e4te, nespr\u00e1vne uvo\u013e\u0148ovanie zdrojov pri spracovan\u00ed ch\u00fdb a zabudnut\u00e9 kontroly n\u00e1vratov\u00fdch k\u00f3dov ch\u00fdb, \u010do umo\u017en\u00ed \u00fadr\u017eb\u00e1rom s\u00fastredi\u0165 sa na skuto\u010dn\u00e9 chyby, ako s\u00fa pretekania a probl\u00e9my s logikou, namiesto toho, aby sa pri recenzovan\u00ed rozpty\u013eovali drobnos\u0165ami. <\/p>\n

Existuj\u00faci star\u00fd k\u00f3d v jazyku C nikam nezmizne, ale pre nov\u00fd k\u00f3d a nov\u00e9 ovl\u00e1da\u010de prinesie implement\u00e1cia Rustu v\u00fdrazn\u00e9 zlep\u0161enie kvality. Implement\u00e1cia Rustu tie\u017e umo\u017en\u00ed \u0161trukt\u00farova\u0165 intern\u00e9 programov\u00e9 rozhrania jadra tak\u00fdm sp\u00f4sobom, \u017ee takmer vyl\u00fa\u010di chyby pri pou\u017e\u00edvan\u00ed intern\u00e9ho API \u2014 v jadre sa nahromadilo pr\u00edli\u0161 mnoho zlo\u017eit\u00fdch a nepreh\u013eadn\u00fdch API, \u010do vytv\u00e1ra ve\u013ek\u00e9 za\u0165a\u017eenie pre spr\u00e1vcov pri kontrole, \u010di s\u00fa tieto API pou\u017e\u00edvan\u00e9 spr\u00e1vne. V procese v\u00fdvoja rustov\u00fdch obalov maj\u00fa spr\u00e1vcovia mo\u017enos\u0165 prehodnoti\u0165 a usporiada\u0165 API, \u010do prinesie prospech pre v\u0161etk\u00fdch, vr\u00e1tane pou\u017e\u00edvate\u013eov jazyka C. <\/p>\n

Greg nepova\u017euje Rust za \u201estrieborn\u00fa gu\u013eu\u201c, ktor\u00e1 vyrie\u0161i v\u0161etky probl\u00e9my v jadre, ale tento jazyk ur\u010dite pom\u00f4\u017ee v nespo\u010detn\u00fdch situ\u00e1ci\u00e1ch. Podpora Rustu tie\u017e uspokoj\u00ed potrebu v\u00fdvoj\u00e1rov ovl\u00e1da\u010dov, ktor\u00ed d\u00fafaj\u00fa, \u017ee z\u00edskaj\u00fa n\u00e1stroj na p\u00edsanie k\u00f3du pre svoje zariadenia, pri\u010dom sa vyhn\u00fa mnoh\u00fdm typom ch\u00fdb. Pokia\u013e ide o zmie\u0161avanie viacer\u00fdch jazykov, Greg v tom nevid\u00ed ve\u013ek\u00fd probl\u00e9m; pod\u013ea neho sa v\u00fdvoj\u00e1ri jadra v minulosti vyrovnali s ove\u013ea v\u00e1\u017enej\u0161\u00edmi \u00falohami a niet d\u00f4vodu odmieta\u0165 pokrok v jadre s nov\u00fdmi dobr\u00fdmi my\u0161lienkami, ktor\u00e9 pom\u00f4\u017eu zabezpe\u010di\u0165 \u00faspech projektu na \u010fal\u0161\u00edch 20+ rokov. <\/p>\n

K diskusii sa pripojil aj Kees Cook, b\u00fdval\u00fd hlavn\u00fd syst\u00e9mov\u00fd administr\u00e1tor kernel.org a l\u00edder Ubuntu Security Team. Kees objasnil, \u017ee nejde o prep\u00edsanie u\u017e existuj\u00faceho k\u00f3du v jadre, ale o poskytnutie mo\u017enosti pou\u017e\u00edva\u0165 Rust na vytv\u00e1ranie nov\u00fdch ovl\u00e1da\u010dov a podsk\u00fasenost\u00ed. Pou\u017eitie Rustu pre nov\u00fd k\u00f3d umo\u017en\u00ed nielen zn\u00ed\u017ei\u0165 po\u010det ch\u00fdb pri pr\u00e1ci s pam\u00e4\u0165ou, ale aj skr\u00e1ti\u0165 \u010das v\u00fdvoja. R\u00fdchlos\u0165 v\u00fdvoja sa zvy\u0161uje v\u010faka zn\u00ed\u017eeniu n\u00e1kladov na ladenie a pr\u00edtomnosti pr\u00edsnych z\u00e1ruk v jazyku, ktor\u00e9 umo\u017e\u0148uj\u00fa odha\u013eova\u0165 chyby u\u017e v po\u010diato\u010dnej f\u00e1ze p\u00edsania k\u00f3du, e\u0161te pred testovan\u00edm produktu. <\/p>\n

\u00da\u010dinnos\u0165 strat\u00e9gie vyu\u017e\u00edvania Rustu na zv\u00fd\u0161enie kvality nov\u00e9ho k\u00f3du u\u017e preuk\u00e1zal Google na platforme Android. Uk\u00e1zalo sa, \u017ee hlavn\u00fdm zdrojom probl\u00e9mov v oblasti bezpe\u010dnosti je nov\u00fd k\u00f3d, a zlep\u0161eniu jeho kvality by sa mala venova\u0165 najv\u00e4\u010d\u0161ia pozornos\u0165. Pre star\u00fd k\u00f3d existuje exponenci\u00e1lna z\u00e1vislos\u0165 bezpe\u010dnosti od \u010dasu (napr\u00edklad 5-ro\u010dn\u00fd k\u00f3d m\u00e1 v priemere 3,4-kr\u00e1t ni\u017e\u0161iu hustotu zranite\u013enost\u00ed ako nov\u00fd k\u00f3d).
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0413\u0440\u0435\u0433 \u041a\u0440\u043e\u0430-\u0425\u0430\u0440\u0442\u043c\u0430\u043d (Greg Kroah-Hartman), \u043e\u0442\u0432\u0435\u0447\u0430\u044e\u0449\u0438\u0439 \u0437\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u043e\u0439 \u0432\u0435\u0442\u043a\u0438 \u044f\u0434\u0440\u0430 Linux, \u0432\u044b\u0441\u043a\u0430\u0437\u0430\u043b\u0441\u044f \u0432 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043d\u043e\u0432\u044b\u0445 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u043e\u0432 \u044f\u0434\u0440\u0430 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust. \u041a\u0430\u043a \u0447\u0435\u043b\u043e\u0432\u0435\u043a, \u0447\u0435\u0440\u0435\u0437 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0435 15 \u043b\u0435\u0442 \u043f\u0440\u043e\u0445\u043e\u0434\u0438\u0442 \u0432\u0441\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u043e\u0448\u0438\u0431\u043a\u0430\u0445 \u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044f\u0445 \u0432 \u044f\u0434\u0440\u0435 Linux, \u043e\u043d \u0443\u0442\u0432\u0435\u0440\u0436\u0434\u0430\u0435\u0442, \u0447\u0442\u043e \u0431\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u043e \u043e\u0448\u0438\u0431\u043e\u043a \u0432 \u044f\u0434\u0440\u0435 \u0432\u044b\u0437\u0432\u0430\u043d\u044b \u043d\u0435\u0443\u0447\u0438\u0442\u044b\u0432\u0430\u0435\u043c\u044b\u043c\u0438 \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u044f\u043c\u0438 \u044f\u0437\u044b\u043a\u0430 \u0421\u0438 (corner case), \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u0438\u0441\u043a\u043b\u044e\u0447\u0435\u043d\u044b […]<\/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-122013","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\udd47N\u00e1zor Grega Kroah-Hartmana a Keese Cooka na propag\u00e1ciu Rustu v jadre Linux | ProHoster","description":"Greg Kroah-Hartman, zodpovedn\u00fd za podporu stabilnej vetvy jadra Linux, vyjadril podporu v\u00fdvoju nov\u00fdch komponentov jadra v jazyku 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