On Mon, Nov 09 2020 at 20:59, Ira Weiny wrote:
> On Tue, Nov 10, 2020 at 02:13:56AM +0100, Thomas Gleixner wrote:
> Also, we can convert the new memcpy_*_page() calls to kmap_local() as well.
> [For now my patch just uses kmap_atomic().]
>
> I've not looked at all of the patches in your latest vers
On Tue, Nov 10, 2020 at 02:13:56AM +0100, Thomas Gleixner wrote:
> Ira,
>
> On Fri, Oct 09 2020 at 12:49, ira weiny wrote:
> > From: Ira Weiny
> >
> > To correctly support the semantics of kmap() with Kernel protection keys
> > (PKS), kmap() may be required to set the protections on multiple
> >
Ira,
On Fri, Oct 09 2020 at 12:49, ira weiny wrote:
> From: Ira Weiny
>
> To correctly support the semantics of kmap() with Kernel protection keys
> (PKS), kmap() may be required to set the protections on multiple
> processors (globally). Enabling PKS globally can be very expensive
> depending o