{"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\/it\/blog\/news\/podderzhka-rust-dlya-yadra-linux-stolknulas-s-kritikoj-torvaldsa","title":{"rendered":"Il supporto di Rust per il kernel Linux ha affrontato le critiche di Torvalds","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Linus Torvalds ha esaminato le patch per implementare la possibilit\u00e0 di creare driver in linguaggio Rust per il kernel Linux, sollevando alcune osservazioni critiche.    <\/p>\n<p>Le maggiori preoccupazioni riguardano la possibilit\u00e0 di andare in panic() in situazioni di errore, ad esempio in caso di insufficienza di memoria, quando le operazioni di allocazione dinamica della memoria, anche all'interno del kernel, possono fallire. Torvalds ha dichiarato che un approccio del genere nel kernel \u00e8 inaccettabile e, se non si comprende questo aspetto, potrebbe rigettare completamente (totally NAKed) qualsiasi codice che tenti di adottare tale approccio. Dall'altra parte, lo sviluppatore delle patch ha riconosciuto questo problema e lo considera risolvibile.    <\/p>\n<p>Un altro problema \u00e8 stato rappresentato dai tentativi di utilizzare calcoli in virgola mobile o tipi a 128 bit, che non sono consentiti in ambienti come il kernel Linux. Questo si \u00e8 rivelato un problema pi\u00f9 serio, poich\u00e9 al momento la libreria di base (core) di Rust \u00e8 indivisibile e si presenta come un unico grande blob \u2014 non \u00e8 possibile richiedere solo alcune delle sue funzionalit\u00e0, impedendo l'uso di determinate funzionalit\u00e0 problematiche. La soluzione del problema potrebbe richiedere modifiche al compilatore Rust e alla libreria, mentre attualmente il team non ha ancora una strategia su come implementare la modularit\u00e0 delle librerie del linguaggio.    <\/p>\n<p>Inoltre, Torvalds ha sottolineato che l'esempio di driver fornito \u00e8 inutile e ha suggerito di includere come esempio un driver che risolva uno dei problemi reali.        <\/p>\n<p>Nota: Google ha annunciato il proprio coinvolgimento nell'iniziativa per promuovere il supporto di Rust nel kernel Linux, evidenziando gli aspetti tecnici della ragionevole implementazione di Rust per affrontare i problemi causati da errori nella gestione della memoria. Google ritiene che Rust sia gi\u00e0 pronto a unirsi al C come linguaggio per lo sviluppo di componenti del kernel Linux. Nell'articolo vengono anche forniti esempi di utilizzo del linguaggio Rust per lo sviluppo di driver del kernel, nel contesto del loro uso sulla piattaforma Android (Rust \u00e8 riconosciuto come linguaggio ufficialmente supportato per lo sviluppo su Android).     <\/p>\n<p>Si segnala che Google ha sviluppato un prototipo iniziale di driver scritto in Rust per il meccanismo di interprocess communication Binder, che consentir\u00e0 un confronto dettagliato delle prestazioni e della sicurezza delle implementazioni di Binder in C e Rust. Nella forma attuale, il lavoro non \u00e8 ancora completato, ma sono gi\u00e0 stati preparati wrapper per utilizzare tutte le astrazioni di base della funzionalit\u00e0 del kernel necessarie per far funzionare Binder nel codice Rust.<br \/>\n<br \/>Fonte: <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 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[&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 5.0.0.1 - 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 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