Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [PATCH] x86_64 add NX mask for PTE entry | Date | Wed, 18 Oct 2006 12:58:45 +0200 |
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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?
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