On 03/28/2011 07:54 PM, Andrea Arcangeli wrote:
BTW, is it genuine that a protection fault is generated instead of a page fault while dereferencing address 0x00008805d6b087f8? I would normally except a page fault from a memory dereference that doesn't alter processor state/segments.
Yes. Bits 48-63 of the address must be equal to bit 47, or a #GP is generated (non-canonical address).
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