[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel]Two dead-lock situation occurs on 32bit HVM SMP Windows
On 14/11/06 17:42, "Li, Xin B" <xin.b.li@xxxxxxxxx> wrote: >> Any idea what it's trying to access? Presumably nothing is >> mapped up there >> so it just gets all-ones back from reads? I'm surprised it >> would be doing >> lots of accesses to totally unused memory space. That tends to >> be fairly >> slow even on native hardware. >> > > that are from detecting if a guest page table page is no longer a page > table page, like in validate_gl4e. I'll leave it to Tim to decide what the best thing to do here is. But I'm sure we don't need a max_gpfn parameter. Xen could maintain its own highwater mark, updated by the alloc_p2m path, if it needs it. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
|
![]() |
Lists.xenproject.org is hosted with RackSpace, monitoring our |