{"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\/sv\/blog\/news\/reliz-yadra-linux-5-4-2","title":{"rendered":"Sl\u00e4pp av Linux-k\u00e4rnan 5.4","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><strong>De mest anm\u00e4rkningsv\u00e4rda \u00e4ndringarna:<\/strong><\/p>\n<ul>\n<noindex><\/p>\n<li>Lockdown-modulen som begr\u00e4nsar root-anv\u00e4ndarens \u00e5tkomst till filer och k\u00e4rngr\u00e4nssnitt. <a rel=\"nofollow\" href=\"https:\/\/lwn.net\/Articles\/791863\/\">Detaljer.<\/a><\/li>\n<p><\/noindex><\/p>\n<li>\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. <a rel=\"nofollow\" href=\"https:\/\/www.kernel.org\/doc\/html\/latest\/filesystems\/virtiofs.html\">Detaljer.<\/a><\/li>\n<li>Integritetskontrollmekanismen fs-verity. Liknande dm-verity, men fungerar p\u00e5 niv\u00e5erna f\u00f6r filsystemen Ext4 och F2FS, ist\u00e4llet f\u00f6r blockenheter. <a rel=\"nofollow\" href=\"https:\/\/www.kernel.org\/doc\/html\/latest\/filesystems\/fsverity.html\">Detaljer.<\/a><\/li>\n<li>Modulen dm-clone f\u00f6r att kopiera skrivskyddade blockenheter, d\u00e4r data kan skrivas till kopian under kloningsprocessen. <a rel=\"nofollow\" href=\"https:\/\/www.kernel.org\/doc\/html\/latest\/admin-guide\/device-mapper\/dm-clone.html\">Detaljer.<\/a><\/li>\n<li>St\u00f6d f\u00f6r grafikkort fr\u00e5n AMD, inklusive Navi 12\/14 och APU-familjerna Arcturus och Renoir. Arbetet har ocks\u00e5 p\u00e5b\u00f6rjats f\u00f6r framtida grafik fr\u00e5n Intel Tiger Lake.<\/li>\n<li>Flaggorna MADV_COLD och MADV_PAGEOUT f\u00f6r systemanropet madvise(). De m\u00f6jligg\u00f6r f\u00f6r att identifiera vilken data i minnet som \u00e4r icke-kritisk f\u00f6r processens arbete eller som inte beh\u00f6vs under en l\u00e5ng tid, s\u00e5 att dessa data kan skickas till page-out f\u00f6r att frig\u00f6ra minne.<\/li>\n<li>Filsystemet EROFS har flyttats fr\u00e5n Staging \u2014 ett mycket l\u00e4tt och snabbt skrivskyddat FS, f\u00f6rdelaktigt f\u00f6r lagring av firmware och livecd. <a rel=\"nofollow\" href=\"https:\/\/lwn.net\/Articles\/796687\/\">Detaljer.<\/a><\/li>\n<li>En drivrutin f\u00f6r filsystemet exFAT har lagts till i Staging, utvecklad av Samsung.<\/li>\n<li>Haltpoll-mekanismen f\u00f6r att \u00f6ka prestandan i g\u00e4stsystem. Den g\u00f6r det m\u00f6jligt f\u00f6r g\u00e4ster att f\u00e5 extra processor-tid innan CPU:n \u00e5terg\u00e5r till hypervisorn. <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\">Detaljer.<\/a><\/li>\n<li>Kontrollern blk-iocost f\u00f6r att f\u00f6rdela I\/O mellan cgroup. Den nya kontrollern fokuserar p\u00e5 kostnaden f\u00f6r framtida IO-operationer. <a rel=\"nofollow\" href=\"https:\/\/lwn.net\/Articles\/792256\/\">Detaljer.<\/a><\/li>\n<li>Namnrymder f\u00f6r k\u00e4rnmodulens symboler. <a rel=\"nofollow\" href=\"https:\/\/www.kernel.org\/doc\/html\/latest\/core-api\/symbol-namespaces.html\">Detaljer.<\/a><\/li>\n<li>Arbetet med integration av realtidspatchar i k\u00e4rnan forts\u00e4tter.<\/li>\n<li>Io_uring-mekanismen har f\u00f6rb\u00e4ttrats.<\/li>\n<li>Prestandan f\u00f6r stora kataloger p\u00e5 XFS har f\u00f6rb\u00e4ttrats.<\/li>\n<li>Dussintals andra f\u00f6r\u00e4ndringar.<\/li>\n<\/ul>\n<p>K\u00e4lla: <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 5.0.4 - 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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