{"id":39372,"date":"2019-10-31T22:31:20","date_gmt":"2019-10-31T19:31:20","guid":{"rendered":"https:\/\/prohoster.info\/blog\/v-yadre-linux-prekrashhaetsya-podderzhka-32-razryadnyh-gostevyh-sistem-xen-v-rezhime-paravirtualizatsii\/"},"modified":"2019-10-31T22:31:20","modified_gmt":"2019-10-31T19:31:20","slug":"v-yadre-linux-prekrashhaetsya-podderzhka-32-razryadnyh-gostevyh-sistem-xen-v-rezhime-paravirtualizatsii","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/v-yadre-linux-prekrashhaetsya-podderzhka-32-razryadnyh-gostevyh-sistem-xen-v-rezhime-paravirtualizatsii","title":{"rendered":"Suportul pentru sistemele gazd\u0103 pe 32 de bi\u021bi Xen \u00een modul paravirtualizare se opre\u0219te \u00een nucleul Linux","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\u00cen cadrul ramurii experimentale a nucleului Linux, pentru versiunea 5.4, s-au adus<\/a><\/noindex> modific\u0103ri<\/a><\/noindex>, aten\u021bion\u0103ri privind \u00eencetarea suportului pentru sistemele gazd\u0103 de 32 de bi\u021bi care func\u021bioneaz\u0103 \u00een modul de paravirtualizare sub supravegherea hipervizorului Xen. Utilizatorilor acestor sisteme li se recomand\u0103 s\u0103 treac\u0103 la utilizarea nucleelor de 64 de bi\u021bi \u00een medii gazd\u0103 sau s\u0103 foloseasc\u0103 pentru lansarea mediilor, \u00een locul paravirtualiz\u0103rii (PV), moduri de virtualizare complet\u0103 (HVM) sau combinat\u0103 (PVH). <\/p>\n

Modul PV considerat<\/a><\/noindex> a fost declarat \u00eenvechit, fiind \u00eenlocuit de PVH, \u00een care elementele de paravirtualizare (PV) sunt limitate la utilizarea pentru input\/output, gestionarea \u00eentreruperilor, organizarea demar\u0103rii \u0219i interac\u021biunea cu hardware-ul, \u00een timp ce pentru limitarea instruc\u021biunilor privilegiate, izolarea apelurilor sistemului \u0219i virtualizarea tabelelor de pagini de memorie se folose\u0219te virtualizarea complet\u0103 (HVM). Ca argument \u00eempotriva suportului pentru modul PV pentru sistemele gazd\u0103 de 32 de bi\u021bi se men\u021bioneaz\u0103, de asemenea, absen\u021ba protec\u021biei \u00eempotriva vulnerabilit\u0103\u021bii Meltdown<\/a><\/noindex>.<\/p>\n

<\/a><\/noindex><\/p>\n

Sursa: opennet.ro<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 \u0441\u043e\u0441\u0442\u0430\u0432 \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u043e\u0439 \u0432\u0435\u0442\u043a\u0438 \u044f\u0434\u0440\u0430 Linux, \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0444\u043e\u0440\u043c\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u0432\u044b\u043f\u0443\u0441\u043a 5.4, \u0432\u043d\u0435\u0441\u0435\u043d\u044b \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f, \u043f\u0440\u0435\u0434\u0443\u043f\u0440\u0435\u0436\u0434\u0430\u044e\u0449\u0438\u0435 \u043e \u0441\u043a\u043e\u0440\u043e\u043c \u043f\u0440\u0435\u043a\u0440\u0430\u0449\u0435\u043d\u0438\u0438 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 32-\u0440\u0430\u0437\u0440\u044f\u0434\u043d\u044b\u0445 \u0433\u043e\u0441\u0442\u0435\u0432\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c, \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u0445 \u0432 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\u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0439 \u0432\u043c\u0435\u0441\u0442\u043e \u043f\u0430\u0440\u0430\u0432\u0438\u0440\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 (PV) \u0440\u0435\u0436\u0438\u043c\u044b \u043f\u043e\u043b\u043d\u043e\u0439 (HVM) \u0438\u043b\u0438 \u043a\u043e\u043c\u0431\u0438\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0439 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