On 14/05/2015 02:16, Wanpeng Li wrote: > >SPTEs are kept around and cached. The "role" field is used as the hash > >key; if the role doesn't change, SPTEs are reused, so you have to zap > >the SPTEs explicitly. > > Btw, why the patch changelog mentioned that the root shadow page will be > reused, I think it will be zapped in mmu_free_roots.
Who has set sp->role.invalid on it? If no one has, it's not zapped and it will be found again in the hash table. Paolo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

