{"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\/de\/blog\/news\/v-yadre-linux-prekrashhaetsya-podderzhka-32-razryadnyh-gostevyh-sistem-xen-v-rezhime-paravirtualizatsii","title":{"rendered":"Die Unterst\u00fctzung f\u00fcr 32-Bit-Gastbetriebssysteme von Xen im Paravirtualisierungsmodus endet im Linux-Kernel.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Im Rahmen des experimentellen Zweigs des Linux-Kernels, in dem die Version 5.4 entwickelt wird, wurden<\/a><\/noindex> \u00c4nderungen<\/a><\/noindex>, wird vor dem baldigen Ende der Unterst\u00fctzung f\u00fcr 32-Bit-Gastsysteme gewarnt, die im Paravirtualisierungsmodus unter dem Hypervisor Xen betrieben werden. Benutzern solcher Systeme wird geraten, auf 64-Bit-Kernel in den Gastumgebungen umzusteigen oder vollst\u00e4ndige (HVM) oder kombinierte (PVH) Virtualisierungsmodi anstelle der Paravirtualisierung (PV) zu verwenden. <\/p>\n

PV-Modus \u00fcberlegt<\/a><\/noindex> wurde als \u00fcberholt betrachtet und wurde durch PVH ersetzt, in dem die Elemente der Paravirtualisierung (PV) auf Eingabe\/Ausgabe, Interruptverarbeitung, Boot-Management und Interaktion mit der Hardware beschr\u00e4nkt sind, w\u00e4hrend vollst\u00e4ndige Virtualisierung (HVM) zur Begrenzung privilegierter Befehle, Isolation von Systemaufrufen und Virtualisierung von Seitentabellen verwendet wird. Ein weiteres Argument gegen die Unterst\u00fctzung des PV-Modus f\u00fcr 32-Bit-Gastsysteme ist das Fehlen eines Schutzes gegen die Sicherheitsanf\u00e4lligkeit. Meltdown<\/a><\/noindex>.<\/p>\n

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

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

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