On Mon, 27 Dec 2010 12:43:59 +0200 Avi Kivity <avi@xxxxxxxxxx> wrote: > rmap_write_protect() protects a 4k page, so it uses update_spte() to > drop the W bit, and drops large mappings that point to the same 4k > page. We can't drop the W bit from the large page, because that will > write protect 511 unrelated pages. I see, I'll reread these from that sense. Thank you for the explanation. Takuya > > > I may be able to learn something from your share code later on. > > > > Unlikely - I was thinking of sharing the > > > + drop_spte(kvm,&pt[i], > > + shadow_trap_nonpresent_pte); > > + --kvm->stat.lpages; > > > bits. Now I'm thinking of dropping kvm->stat, I think we have all the > information it provides covered by tracepoints. > > -- -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
