{"id":53168,"date":"2019-12-06T00:00:00","date_gmt":"2019-12-05T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/reliz-yadra-linux-5-4"},"modified":"2020-02-18T14:01:33","modified_gmt":"2020-02-18T11:01:33","slug":"reliz-yadra-linux-5-4-2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/reliz-yadra-linux-5-4-2","title":{"rendered":"Lansarea nucleului Linux 5.4","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><strong>Cele mai notabile schimb\u0103ri:<\/strong><\/p>\n<ul>\n<noindex><\/p>\n<li>Modul lockdown care limiteaz\u0103 accesul utilizatorului root la fi\u0219ierele \u0219i interfe\u021bele nucleului. <a rel=\"nofollow\" href=\"https:\/\/lwn.net\/Articles\/791863\/\">Detalii.<\/a><\/li>\n<p><\/noindex><\/p>\n<li>Sistemul de fi\u0219iere virtiofs pentru redirec\u021bionarea anumitor directoare ale gazdei c\u0103tre sistemele oaspete. Interac\u021biunea se desf\u0103\u0219oar\u0103 conform schemei \u201eclient-server\u201d prin FUSE. <a rel=\"nofollow\" href=\"https:\/\/www.kernel.org\/doc\/html\/latest\/filesystems\/virtiofs.html\">Detalii.<\/a><\/li>\n<li>Mecanismul de control al integrit\u0103\u021bii fi\u0219ierelor fs-verity. Este similar cu dm-verity, dar func\u021bioneaz\u0103 la nivelul sistemelor de fi\u0219iere Ext4 \u0219i F2FS, nu pe dispozitivele de bloc. <a rel=\"nofollow\" href=\"https:\/\/www.kernel.org\/doc\/html\/latest\/filesystems\/fsverity.html\">Detalii.<\/a><\/li>\n<li>Modul dm-clone pentru copierea dispozitivelor de bloc disponibile doar \u00een citire, permi\u021b\u00e2nd \u00een acela\u0219i timp scrierea de date direct \u00een procesul de clonare. <a rel=\"nofollow\" href=\"https:\/\/www.kernel.org\/doc\/html\/latest\/admin-guide\/device-mapper\/dm-clone.html\">Detalii.<\/a><\/li>\n<li>Suport pentru procesoarele grafice AMD Navi 12\/14 \u0219i APU din familiile Arcturus \u0219i Renoir. De asemenea, a \u00eenceput lucrul la suportul pentru viitoarea grafic\u0103 Intel Tiger Lake.<\/li>\n<li>Fluturii MADV_COLD \u0219i MADV_PAGEOUT pentru apelul de sistem madvise(). Acestea permit determinarea datelor din memorie care nu sunt critice pentru func\u021bionarea procesului sau care nu vor fi necesare o perioad\u0103 lung\u0103, astfel \u00eenc\u00e2t aceste date s\u0103 poat\u0103 fi mutate \u00een swap \u0219i s\u0103 se elibereze memorie.<\/li>\n<li>Din sec\u021biunea Staging a fost mutat sistemul de fi\u0219iere EROFS - un FS foarte u\u0219or \u0219i rapid, doar pentru citire, avantajos pentru stocarea firmware-urilor \u0219i livecd-ului. <a rel=\"nofollow\" href=\"https:\/\/lwn.net\/Articles\/796687\/\">Detalii.<\/a><\/li>\n<li>\u00cen sec\u021biunea Staging a fost ad\u0103ugat driverul de sistem de fi\u0219iere exFAT, dezvoltat de Samsung.<\/li>\n<li>Mecanismul haltpoll pentru \u00eembun\u0103t\u0103\u021birea performan\u021bei sistemelor gazd\u0103. Acesta permite gazdelor s\u0103 ob\u021bin\u0103 timp suplimentar pe procesor \u00eenainte de a returna CPU-ul hypervizorului. <a rel=\"nofollow\" href=\"https:\/\/git.kernel.org\/pub\/scm\/linux\/kernel\/git\/torvalds\/linux.git\/plain\/Documentation\/virtual\/guest-halt-polling.txt?id=2cffe9f6b96fece065ee8522673c90e92ef2085d\">Detalii.<\/a><\/li>\n<li>Controlerul blk-iocost pentru distribuirea input\/output-ului \u00eentre cgroup-uri. Noua controler se concentreaz\u0103 pe costul viitoarelor opera\u021bii IO. <a rel=\"nofollow\" href=\"https:\/\/lwn.net\/Articles\/792256\/\">Detalii.<\/a><\/li>\n<li>Spa\u021bii de nume pentru simbolurile modulelor nucleului. <a rel=\"nofollow\" href=\"https:\/\/www.kernel.org\/doc\/html\/latest\/core-api\/symbol-namespaces.html\">Detalii.<\/a><\/li>\n<li>Se continu\u0103 lucrul la integrarea patch-urilor \u00een timp real \u00een nucleu.<\/li>\n<li>Mecanismul io_uring a fost \u00eembun\u0103t\u0103\u021bit.<\/li>\n<li>Performan\u021ba cu directoare mari pe XFS a fost accelerat\u0103.<\/li>\n<li>Zeci de alte modific\u0103ri.<\/li>\n<\/ul>\n<p>Sursa: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"http:\/\/www.linux.org.ru\/news\/kernel\/15371555\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u0437\u0430\u043c\u0435\u0442\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f: \u041c\u043e\u0434\u0443\u043b\u044c lockdown, \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0432\u0430\u044e\u0449\u0438\u0439 \u0434\u043e\u0441\u0442\u0443\u043f \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f root \u043a \u0444\u0430\u0439\u043b\u0430\u043c \u0438 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0430\u043c \u044f\u0434\u0440\u0430. \u041f\u043e\u0434\u0440\u043e\u0431\u043d\u043e\u0441\u0442\u0438. \u0424\u0430\u0439\u043b\u043e\u0432\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430 virtiofs \u0434\u043b\u044f \u043f\u0440\u043e\u0431\u0440\u043e\u0441\u0430 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u044b\u0445 \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u043e\u0432 \u0445\u043e\u0441\u0442\u0430 \u0432 \u0433\u043e\u0441\u0442\u0435\u0432\u044b\u0435 \u0441\u0438\u0441\u0442\u0435\u043c\u044b. \u0412\u0437\u0430\u0438\u043c\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0435 \u0438\u0434\u0451\u0442 \u043f\u043e \u0441\u0445\u0435\u043c\u0435 &laquo;\u043a\u043b\u0438\u0435\u043d\u0442-\u0441\u0435\u0440\u0432\u0435\u0440&raquo; \u0447\u0435\u0440\u0435\u0437 FUSE. \u041f\u043e\u0434\u0440\u043e\u0431\u043d\u043e\u0441\u0442\u0438. \u041c\u0435\u0445\u0430\u043d\u0438\u0437\u043c \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044f \u0446\u0435\u043b\u043e\u0441\u0442\u043d\u043e\u0441\u0442\u0438 \u0444\u0430\u0439\u043b\u043e\u0432 fs-verity. \u0410\u043d\u0430\u043b\u043e\u0433\u0438\u0447\u0435\u043d dm-verity, \u043d\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u043d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 \u0444\u0430\u0439\u043b\u043e\u0432\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c Ext4 \u0438 F2FS, \u0430 \u043d\u0435 \u0431\u043b\u043e\u0447\u043d\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432. \u041f\u043e\u0434\u0440\u043e\u0431\u043d\u043e\u0441\u0442\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-53168","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u0437\u0430\u043c\u0435\u0442\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f: \u041c\u043e\u0434\u0443\u043b\u044c lockdown, \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0432\u0430\u044e\u0449\u0438\u0439 \u0434\u043e\u0441\u0442\u0443\u043f \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f root \u043a \u0444\u0430\u0439\u043b\u0430\u043c \u0438 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