On Wed, Mar 05, 2014 at 06:32:06PM +0200, Imre Deak wrote:
> On Thu, 2014-02-27 at 19:47 -0800, Ben Widawsky wrote:
> > We normally clear the page tables as one of the first things during
> > initialization. They are however wired up (and potentially valid) before
> > we clear them.
>
> I might be
On Thu, 2014-02-27 at 19:47 -0800, Ben Widawsky wrote:
> We normally clear the page tables as one of the first things during
> initialization. They are however wired up (and potentially valid) before
> we clear them.
I might be missing something, but afaics the page directories/tables are
not in u
We normally clear the page tables as one of the first things during
initialization. They are however wired up (and potentially valid) before
we clear them.
To prevent the GPU from doing anything we might later regret, simply get
zeroed pages, which always mean invalid on all GENs.
NOTE: that a si