On Tue, May 31, 2011 at 12:26:55PM +0200, Ingo Molnar wrote:
>
> * Avi Kivity <avi@xxxxxxxxxx> wrote:
>
> > On 05/31/2011 10:38 AM, Ingo Molnar wrote:
> > >* Borislav Petkov<bp@xxxxxxxxx> wrote:
> > >
> > >> +++ b/arch/x86/kvm/paging_tmpl.h
> > >> @@ -121,7 +121,7 @@ static int FNAME(walk_addr_generic)(struct guest_walker *walker,
> > >> gva_t addr, u32 access)
> > >> {
> > >> pt_element_t pte;
> > >> - pt_element_t __user *ptep_user;
> > >> + pt_element_t __user *uninitialized_var(ptep_user);
> > >
> > >Note that doing this is actually actively dangerous for two reasons.
> > >
> > >
> >
> > <snip lots of good advice>
> >
> > > Please fix it instead.
> >
> > s/instead/in addition/; while all those changes are good, they are
> > much too large for 3.0. Let's push the simple fix for 3.0 and
> > queue the bigger refactoring to 3.1.
>
> Yeah, that's probably wise, this is a tricky function.
So, any progress on this front? Warning is still there in -rc2.
Thanks.
--
Regards/Gruss,
Boris.
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