On Wednesday 18 October 2006 11:15, bibo,mao wrote:
> Hi,
> If function change_page_attr_addr calls revert_page to revert
> to original pte value, mk_pte_phys does not mask NX bit. If NX bit
> is set on no NX hardware supported x86_64 machine, there is will
> be RSVD type page fault and system will crash. This patch adds NX
> mask bit for PTE entry.
Hmm, weird. I wonder why that didn't trip up earlier. Did you
actually see that happening?
-Andi
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