{"id":89996,"date":"2020-07-28T01:42:24","date_gmt":"2020-07-27T23:42:24","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-gipervizora-xen-4-14"},"modified":"2020-07-28T01:42:24","modified_gmt":"2020-07-27T23:42:24","slug":"vypusk-gipervizora-xen-4-14","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/vypusk-gipervizora-xen-4-14","title":{"rendered":"Wydanie hipernadzorcy Xen 4.14.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Po o\u015bmiu miesi\u0105cach prac rozwojowych <noindex><a rel=\"nofollow\" href=\"https:\/\/xenproject.org\/2020\/07\/24\/xen-project-hypervisor-version-4-14-brings-added-security-and-performance\/\">opublikowano<\/a><\/noindex> wydanie wolnego hipernadzorcy <noindex><a rel=\"nofollow\" href=\"https:\/\/www.xenproject.org\/\">Xen 4.14<\/a><\/noindex>. W prace nad now\u0105 wersj\u0105 zaanga\u017cowane by\u0142y takie firmy, jak Alibaba, Amazon, AMD, Arm, Bitdefender, Citrix, EPAM Systems, Huawei i Intel. Wprowadzanie aktualizacji dla ga\u0142\u0119zi Xen 4.14 potrwa do 24 stycznia 2022 roku, a publikacja poprawek zabezpiecze\u0144 do 24 lipca 2023 roku.<\/p>\n<p>Kluczowe <noindex><a rel=\"nofollow\" href=\"http:\/\/wiki.xenproject.org\/wiki\/Xen_Project_4.14_Feature_List\">zmiany<\/a><\/noindex> w Xen 4.14: <\/p>\n<ul>\n<li class=\"l\"> Dodano wsparcie dla nowego modelu urz\u0105dze\u0144 <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.xenproject.org\/wiki\/Device_Model_Stub_Domains\">Linux stubdomain<\/a><\/noindex>, umo\u017cliwiaj\u0105ca wykonanie pod osobnym, nieuprzywilejowanym u\u017cytkownikiem, oddzielaj\u0105c komponenty do emulacji urz\u0105dze\u0144 od Dom0. Wcze\u015bniej w trybie stubdomain mo\u017cna by\u0142o u\u017cywa\u0107 tylko modelu urz\u0105dze\u0144 \u00abqemu-traditional\u00bb, co ogranicza\u0142o zakres emulowanego sprz\u0119tu. Nowy model <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.xen.org\/wiki\/Linux_stub_domains\">Linux stubomains<\/a><\/noindex> zosta\u0142 opracowany przez projekt QUBES OS i wspiera korzystanie z nap\u0119d\u00f3w emulacyjnych z najnowszych wydania QEMU, jak r\u00f3wnie\u017c z dost\u0119pnych w QEMU dodatkowych funkcji dla system\u00f3w go\u015bcinnych.\n<li class=\"l\"> Dla system\u00f3w wspieraj\u0105cych Intel EPT wprowadzono mo\u017cliwo\u015b\u0107 tworzenia lekkich odga\u0142\u0119zie\u0144 (fork\u00f3w) maszyn wirtualnych do szybkiej introspekcji, na przyk\u0142ad w celu analizy z\u0142o\u015bliwego oprogramowania, lub testowania fuzzing. W takich forkach zastosowano wsp\u00f3lne wykorzystanie pami\u0119ci, a nie wykonuje si\u0119 klonowania modelu urz\u0105dze\u0144.\n<li class=\"l\"> Do systemu live-patchy dodano zwi\u0105zanie z identyfikatorami kompilacji hipernadzorcy oraz uwzgl\u0119dnienie kolejno\u015bci stosowania \u0142atek, aby wykluczy\u0107 nak\u0142adanie \u0142atek na niew\u0142a\u015bciwe kompilacje lub w niew\u0142a\u015bciwej kolejno\u015bci.\n<li class=\"l\"> Dodano wsparcie dla rozszerze\u0144 CET (Intel Control-flow Enforcement Technology) maj\u0105cych na celu ochron\u0119 przed wykonywaniem exploit\u00f3w opartych na technikach programowania z wykorzystaniem powrot\u00f3w (ROP, Return-Oriented Programming).\n<li class=\"l\"> Dodano opcj\u0119 CONFIG_PV32 do wy\u0142\u0105czenia w hipernadzorcy wsparcia dla 32-bitowych parawirtualizowanych (PV) system\u00f3w go\u015bcinnych, jednocze\u015bnie zachowuj\u0105c wsparcie dla system\u00f3w 64-bitowych.\n<li class=\"l\"> Dodano obs\u0142ug\u0119 Hypervisor FS, pseudo-FS w stylu sysfs do zorganizowanego dost\u0119pu do wewn\u0119trznych danych i ustawie\u0144 hipernadzorcy, nie wymagaj\u0105cego analizy log\u00f3w ani pisania hipervyzwa\u0144.\n<li class=\"l\"> Dodano mo\u017cliwo\u015b\u0107 uruchomienia Xena jako systemu go\u015bcia w roli hypervisor Hyper-V, u\u017cywanego na platformie chmurowej Microsoft Azure. Uruchomienie Xena wewn\u0105trz Hyper-V umo\u017cliwia korzystanie z znanego stosu wirtualizacji w chmurach Azure i pozwala na przenoszenie maszyn wirtualnych mi\u0119dzy r\u00f3\u017cnymi systemami chmurowymi.\n<li class=\"l\"> Dodana mo\u017cliwo\u015b\u0107 generowania losowego identyfikatora systemu go\u015bcia (wcze\u015bniej identyfikatory by\u0142y generowane kolejno). Identyfikatory mog\u0105 teraz r\u00f3wnie\u017c by\u0107 przechowywane mi\u0119dzy operacjami zapisu, przywracania i migracji stanu VM.\n<li class=\"l\"> Zapewniona automatyczna generacja powi\u0105za\u0144 dla j\u0119zyka Go na podstawie struktur libxl.\n<li class=\"l\"> Dla Windows 7, 8.x i 10 dodano wsparcie dla KDD, narz\u0119dzia do interakcji z debuggerem WinDbg (Windows Debugger), co pozwala na debugowanie \u015brodowisk z Windows bez uruchamiania debugowania w systemie go\u015bcia.\n<li class=\"l\"> Dodano wsparcie dla wszystkich wariant\u00f3w p\u0142yty Raspberry Pi 4, dostarczanych z 4 GB i 8 GB RAM.\n<li class=\"l\"> Dodano wsparcie dla procesor\u00f3w AMD EPYC o kodowej nazwie \u00abMilan\u00bb.\n<li class=\"l\"> Zwi\u0119kszona wydajno\u015b\u0107 zagnie\u017cd\u017conej wirtualizacji, w kt\u00f3rej Xen jest uruchamiany wewn\u0105trz system\u00f3w go\u015bci opartych na Xen lub Viridian.\n<li class=\"l\"> W trybie emulacji wprowadzono wsparcie dla instrukcji AVX512_BF16.\n<li class=\"l\"> Kompilacja hypervisora przesz\u0142a na u\u017cycie Kbuild.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>\u0179r\u00f3d\u0142o: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53440\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0432\u043e\u0441\u044c\u043c\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 Xen 4.14. \u0412 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u043d\u043e\u0432\u043e\u0433\u043e \u0432\u044b\u043f\u0443\u0441\u043a\u0430 \u043f\u0440\u0438\u043d\u044f\u043b\u0438 \u0443\u0447\u0430\u0441\u0442\u0438\u0435 \u0442\u0430\u043a\u0438\u0435 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438, \u043a\u0430\u043a Alibaba, Amazon, AMD, Arm, Bitdefender, Citrix, EPAM Systems, Huawei \u0438 Intel. \u0412\u043f\u0443\u0441\u043a \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0439 \u0434\u043b\u044f \u0432\u0435\u0442\u043a\u0438 Xen 4.14 \u043f\u0440\u043e\u0434\u043b\u0438\u0442\u0441\u044f \u0434\u043e 24 \u044f\u043d\u0432\u0430\u0440\u044f 2022 \u0433\u043e\u0434\u0430, \u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u044f \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0434\u043e 24 \u0438\u044e\u043b\u044f 2023 \u0433\u043e\u0434\u0430. \u041a\u043b\u044e\u0447\u0435\u0432\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432 Xen [&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-89996","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u0432\u043e\u0441\u044c\u043c\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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