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Ray Of Hope

xe

Braindump + Segmentation and Paging And Xen

32 bit PV guest: guest kernel executes in ring 1 and guest user space executes in ring3. 64 bit PV guest: Guest kernel executes in ring 3 and guest user space also executes in ring 3. In 32 bit PV guest Xen used to use Segmentation based protection to protect Xen memory from being accessed […]

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