I-Linux kernel iqeda ukusekelwa kwezihambeli ze-32-bit Xen kumodi ye-paravirtualization

Njengengxenye yegatsha lokuhlola le-Linux kernel, lapho ukukhululwa 5.4 kwakhiwa khona, yethulwe shintsha, isexwayiso mayelana nokuphela okuseduze kosekelo lwezivakashi ezingama-32-bit ezisebenza ngemodi ye-paravirtualization esebenzisa i-Xen hypervisor. Abasebenzisi balezo zinhlelo batuswa ukuthi bashintshele ekusebenziseni ama-kernel angu-64-bit endaweni yezivakashi noma basebenzise amamodi e-virtualization agcwele (HVM) noma ahlanganisiwe (PVH) esikhundleni se-paravirtualization (PV) ukuze baqhube izindawo.

Imodi ye-PV kucatshangelwa njengoba isiphelelwe yisikhathi futhi yathathelwa indawo yi-PVH, lapho izakhi ze-paravirtualization (PV) zikhawulelwe ukusetshenziselwa i-I/O, ukuphatha ukuphazamisa, ukuhlelwa kwebhuthi kanye nokusebenzelana ne-hardware, kanye ne-virtualization egcwele isetshenziselwa ukukhawulela imiyalelo enelungelo, ukuhlukanisa izingcingo zesistimu nokwenza inkumbulo ebonakalayo. amathebula ekhasi (HVM). Ukuntuleka kokuvikelwa ebungozini nakho kuphawulwa njengengxabano ephikisana nemodi ye-PV yezivakashi ezingama-32-bit. Meltdown.

Source: opennet.ru

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