{"id":102986,"date":"2022-01-17T15:36:46","date_gmt":"2022-01-17T13:36:46","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/%d1%87%d0%b5%d1%82%d0%b2%d1%91%d1%80%d1%82%d0%b0%d1%8f-%d1%80%d0%b5%d0%b4%d0%b0%d0%ba%d1%86%d0%b8%d1%8f-%d0%bf%d0%b0%d1%82%d1%87%d0%b5%d0%b9-%d0%b4%d0%bb%d1%8f-%d1%8f%d0%b4%d1%80%d0%b0-linux-%d1%81"},"modified":"2022-01-17T15:36:46","modified_gmt":"2022-01-17T13:36:46","slug":"%d1%87%d0%b5%d1%82%d0%b2%d1%91%d1%80%d1%82%d0%b0%d1%8f-%d1%80%d0%b5%d0%b4%d0%b0%d0%ba%d1%86%d0%b8%d1%8f-%d0%bf%d0%b0%d1%82%d1%87%d0%b5%d0%b9-%d0%b4%d0%bb%d1%8f-%d1%8f%d0%b4%d1%80%d0%b0-linux-%d1%81","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/%d1%87%d0%b5%d1%82%d0%b2%d1%91%d1%80%d1%82%d0%b0%d1%8f-%d1%80%d0%b5%d0%b4%d0%b0%d0%ba%d1%86%d0%b8%d1%8f-%d0%bf%d0%b0%d1%82%d1%87%d0%b5%d0%b9-%d0%b4%d0%bb%d1%8f-%d1%8f%d0%b4%d1%80%d0%b0-linux-%d1%81","title":{"rendered":"Den fjerde version af patches til Linux-kernen med st\u00f8tte til Rust-sprog","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Miguel Ojeda, forfatteren af projektet Rust-for-Linux, har foresl\u00e5et en fjerde variant af komponenter til udvikling af enhedsdrivere p\u00e5 Rust-sproget til Linux-kernens udviklere. St\u00f8tte til Rust betragtes som eksperimentel, men er allerede blevet godkendt til inkludering i linux-next-grenen og er tilstr\u00e6kkeligt udviklet til at begynde arbejdet med at skabe abstraheringslag over kernelundersystemerne samt til at skrive drivere og moduler. Udviklingen finansieres af Google og organisationen ISRG (Internet Security Research Group), som er stifteren af Let\u2019s Encrypt-projektet og fremmer HTTPS samt udviklingen af teknologier til at forbedre internetsikkerheden.            <\/p>\n<p>Det skal bem\u00e6rkes, at de foresl\u00e5ede \u00e6ndringer giver mulighed for at bruge Rust som det andet sprog til udvikling af drivere og kerne-moduler. Rust-underst\u00f8ttelse pr\u00e6senteres som en mulighed, der ikke er aktiveret som standard og ikke f\u00f8rer til, at Rust bliver en obligatorisk byggeafh\u00e6ngighed for kernen. Brug af Rust til driverudvikling vil g\u00f8re det muligt at skabe sikre og af h\u00f8jere kvalitet drivere med minimal indsats, fri for problemer som adgang til hukommelse efter frigivelse, dereferencering af nullpegepinde og buffer-overl\u00f8b.    <\/p>\n<p>Sikker hukommelsesh\u00e5ndtering sikres i Rust under kompileringen gennem referencekontrol, overv\u00e5gning af ejerskab af objekter og livscyklus (scope) af objekter, samt evaluering af korrekt hukommelsestilgang under kodeudf\u00f8relse. Rust tilbyder ogs\u00e5 midler til beskyttelse mod heltalsoverskridelser, kr\u00e6ver obligatorisk initialisering af variabelv\u00e6rdier f\u00f8r brug, h\u00e5ndterer fejl bedre i standardbiblioteket, anvender konceptet med immutability (u\u00e6ndrede) referencer og variabler som standard, og tilbyder st\u00e6rk statisk typekontrol for at minimere logiske fejl.    <\/p>\n<p>I den nye patch-variant forts\u00e6ttes afhj\u00e6lpningen af bem\u00e6rkninger rejst under diskussionen om den f\u00f8rste, anden og tredje version af patchene. I den nye version:        <\/p>\n<ul>\n<li class=\"l\"> Overgangen til brugen af den stabile version af Rust 1.58.0 som referencekompilator er blevet gennemf\u00f8rt. Af de n\u00f8dvendige \u00e6ndringer til projektet, som endnu ikke er inkluderet i Rust-v\u00e6rkt\u00f8jssettet, bem\u00e6rkes flaget \u2018-Zsymbol-mangling-version=v0\u2019 (forventes i Rust 1.59.0) og tilstand \u2018maybe_uninit_extra\u2019 (forventes i Rust 1.60.0).\n<li class=\"l\"> Automatiske kontroller for tilg\u00e6ngeligt Rust-v\u00e6rkt\u00f8js\u00e6t er blevet tilf\u00f8jet, og mulighederne for at teste Rust-underst\u00f8ttelse i systemet er blevet udvidet.\n<li class=\"l\"> Nye abstraktioner til adgang fra Rust-kode til id-tabeler for enheder (\u2018IdArray\u2019 og \u2018IdTable\u2019) er blevet foresl\u00e5et.\n<li class=\"l\"> Lag er blevet tilf\u00f8jet til at tilg\u00e5 funktioner relateret til timere (clock framework).\n<li class=\"l\"> Drivere til platforme er nu defineret gennem implementering af tr\u00e6k.\n<li class=\"l\"> En ny makro er blevet tilf\u00f8jet for at forenkle registreringen af platformdrivere, og en ny skabelon til standarddrivere er ogs\u00e5 foresl\u00e5et.\n<li class=\"l\"> Macroer til strukturer \u2018dev_*\u2019 er blevet tilf\u00f8jet.\n<li class=\"l\"> Metoderne \u2018{read,write}*_relaxed\u2019 er blevet tilf\u00f8jet til typen IoMem.\n<li class=\"l\"> Ejendommen FileOpener er fjernet for at forenkle filoperationer.\n<li class=\"l\"> Parameteren \u2018ThisModule\u2019 er blevet tilf\u00f8jet til argumenterne, der sendes ved registrering af driveren.\n<li class=\"l\"> En skabelon er foresl\u00e5et til oprettelse af kernelmoduler i Rust.  <\/ul>\n<p>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56523\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\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 \u0447\u0435\u0442\u0432\u0451\u0440\u0442\u044b\u0439 \u0432\u0430\u0440\u0438\u0430\u043d\u0442 \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. \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 Rust \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u0430\u044f, \u043d\u043e \u0443\u0436\u0435 \u0441\u043e\u0433\u043b\u0430\u0441\u043e\u0432\u0430\u043d\u0430 \u0434\u043b\u044f \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u0432 \u0432\u0435\u0442\u043a\u0443 linux-next \u0438 \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0440\u0430\u0437\u0432\u0438\u0442\u0430 \u0434\u043b\u044f \u043d\u0430\u0447\u0430\u043b\u0430 \u0440\u0430\u0431\u043e\u0442\u044b \u043f\u043e \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044e \u0441\u043b\u043e\u0451\u0432 \u0430\u0431\u0441\u0442\u0440\u0430\u043a\u0446\u0438\u0438 \u043d\u0430\u0434 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u0430\u043c\u0438 \u044f\u0434\u0440\u0430, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0434\u043b\u044f \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u0438\u044f \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u043e\u0432 \u0438 [&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-102986","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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 \u0447\u0435\u0442\u0432\u0451\u0440\u0442\u044b\u0439 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