{"id":122006,"date":"2025-02-19T14:22:14","date_gmt":"2025-02-19T12:22:14","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/linus-torvalds-nameren-vklyuchat-svyazannye-s-rust-izmeneniya-v-obhod-mejntejnerov"},"modified":"2025-02-19T14:22:14","modified_gmt":"2025-02-19T12:22:14","slug":"linus-torvalds-nameren-vklyuchat-svyazannye-s-rust-izmeneniya-v-obhod-mejntejnerov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/linus-torvalds-nameren-vklyuchat-svyazannye-s-rust-izmeneniya-v-obhod-mejntejnerov","title":{"rendered":"Linus Torvalds avser att inkludera \u00e4ndringar relaterade till Rust utan att g\u00e5 via underh\u00e5llarna","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Christoph Hellwig, underh\u00e5llare av DMA-under-systemet, KVM, Slab Allocator och PowerPC-arkitekturen i Linux-k\u00e4rnan, har principfast v\u00e4grat att acceptera Rust-bindningar f\u00f6r DMA-under-systemet och har deltagit i diskussionen om reglerna f\u00f6r hantering av Rust inom k\u00e4rnan, publicerade av projektet Rust for Linux. Enligt Christoph \u00e4r s\u00e5dana regler meningsl\u00f6sa tills de har \u00f6verenskommits med gemenskapen och inkluderats i k\u00e4rndokumentationen.      <\/p>\n<p>Christoph uppm\u00e4rksammade ocks\u00e5 att reglerna inneh\u00e5ller felaktig information om att underh\u00e5llarna sj\u00e4lva kan fatta beslut om inkluderingen av kod relaterad till Rust i sina under-system. Enligt Christoph har Linus Torvalds uttryckt i en privat konversation att han \u00e4r fast besluten att inkludera Rust-kod i k\u00e4rnan, oavsett motst\u00e5ndet fr\u00e5n underh\u00e5llarna. D\u00e4rf\u00f6r m\u00e5ste utvecklare och k\u00e4rnunderh\u00e5llare nu hantera Rust, oavsett om de vill eller inte.       <\/p>\n<p>Christoph j\u00e4mf\u00f6rde \u00e4ven spridningen av Rust-bindningar med en cancerous tum\u00f6r som sprider sig \u00f6ver alla k\u00e4rnsystem och leder till fragmentering. Fr\u00e5n ett enhetligt helt har k\u00e4rnan f\u00f6rvandlats till ett projekt skrivet p\u00e5 flera spr\u00e5k, utan tydlig definition av n\u00e4r vilket spr\u00e5k ska anv\u00e4ndas. Enligt Christoph har arbetet med en s\u00e5dan blandad kodbas blivit hans v\u00e4rsta mardr\u00f6m, eftersom det hela tiden sker omskrivning av kod fr\u00e5n ett spr\u00e5k till ett annat och sedan tillbaka igen.    <\/p>\n<p>Samtidigt ber Christoph om en f\u00f6rklaring till syftet med att inf\u00f6ra Rust i k\u00e4rnan. Om syftet \u00e4r att l\u00f6sa s\u00e4kerhetsproblem som uppst\u00e5r vid l\u00e5g niv\u00e5 av minneshantering, s\u00e5 kr\u00e4vs snarast en modernisering av den befintliga koden. Med tanke p\u00e5 att underh\u00e5llare \u00e4r k\u00e4nsliga f\u00f6r \u00e4ven triviala saker, s\u00e5som kontroller f\u00f6r heltals\u00f6verskridningar, \u00e4r det oklart hur man kan \u00f6vervinna klyftan mellan en del av k\u00e4rnan som inte accepterar ens enklare s\u00e4kerhetsregler och en annan del som uppr\u00e4tth\u00e5ller strikta regler. Om syftet ist\u00e4llet \u00e4r att f\u00f6renkla utvecklingen av drivrutiner, kommer inf\u00f6randet av st\u00f6d f\u00f6r \u00e4nnu ett spr\u00e5k bara att l\u00e4gga till mer arbete och \u00f6ka belastningen p\u00e5 de som redan \u00e4r \u00f6verbelastade med att h\u00e5lla k\u00e4rninfrastrukturen i fungerande skick.      <\/p>\n<p>N\u00e4r det g\u00e4ller f\u00f6respr\u00e5kare f\u00f6r att integrera Rust i k\u00e4rnan, n\u00e4mns f\u00f6ljande m\u00e5l:  <\/p>\n<ul>\n<li class=\"l\"> Att skriva ny kod i Rust minskar risken f\u00f6r buggar relaterade till minneshantering och race conditions, samt eliminerar vissa logiska fel.\n<li class=\"l\"> Det blir l\u00e4ttare f\u00f6r underh\u00e5llare att granska f\u00f6r\u00e4ndringar och utf\u00f6ra refactoring av moduler med tanke p\u00e5 de garantier som erbjuds av Rust.\n<li class=\"l\"> Exempel p\u00e5 abstraktioner som anv\u00e4nder avancerade funktioner i Rust kommer att f\u00f6renkla skapandet av nya drivrutiner och moduler.\n<li class=\"l\"> St\u00f6det f\u00f6r ett modernt spr\u00e5k kommer att locka nya deltagare till utvecklingen av k\u00e4rnan.\n<li class=\"l\"> Anv\u00e4ndningen av verktyg fr\u00e5n Rust kommer att f\u00f6renkla kraven p\u00e5 koddokumentation. Till exempel har projektet Rust for Linux inf\u00f6rt krav p\u00e5 obligatorisk dokumentation av publika API:er, s\u00e4kerhetskrav, unsafe-block och typinvarianter.  <\/ul>\n<p>K\u00e4lla: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62748\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u0440\u0438\u0441\u0442\u043e\u0444 \u0425\u0435\u043b\u0432\u0438\u0433 (Christoph Hellwig), \u043c\u044d\u0439\u043d\u0442\u0435\u0439\u043d\u0435\u0440 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c DMA, KVM, Slab Allocator \u0438 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b PowerPC \u0432 \u044f\u0434\u0440\u0435 Linux, \u043f\u0440\u0438\u043d\u0446\u0438\u043f\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0442\u043a\u0430\u0437\u0430\u0432\u0448\u0438\u0439\u0441\u044f \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0442\u044c \u0432 \u044f\u0434\u0440\u043e Rust-\u043e\u0431\u0432\u044f\u0437\u043a\u0438 \u0434\u043b\u044f \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u044b DMA, \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0438\u043b\u0441\u044f \u043a \u043e\u0431\u0441\u0443\u0436\u0434\u0435\u043d\u0438\u044e \u043f\u0440\u0430\u0432\u0438\u043b \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0435\u043d\u0438\u044f Rust \u0432 \u0441\u043e\u0441\u0442\u0430\u0432\u0435 \u044f\u0434\u0440\u0430, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u043c Rust for Linux. \u041f\u043e \u043c\u043d\u0435\u043d\u0438\u044e \u041a\u0440\u0438\u0441\u0442\u043e\u0444\u0430 \u043f\u043e\u0434\u043e\u0431\u043d\u044b\u0435 \u043f\u0440\u0430\u0432\u0438\u043b\u0430 \u0431\u0435\u0441\u043f\u043e\u043b\u0435\u0437\u043d\u044b, \u043f\u043e\u043a\u0430 \u043e\u043d\u0438 \u043d\u0435 \u0441\u043e\u0433\u043b\u0430\u0441\u043e\u0432\u0430\u043d\u044b \u0441 \u0441\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e\u043c \u0438 \u043d\u0435 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u044b \u0432 [&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-122006","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=\"\u041a\u0440\u0438\u0441\u0442\u043e\u0444 \u0425\u0435\u043b\u0432\u0438\u0433 (Christoph Hellwig), \u043c\u044d\u0439\u043d\u0442\u0435\u0439\u043d\u0435\u0440 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c DMA, KVM, Slab Allocator \u0438 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