On Thu, Oct 12, 2023 at 06:12:26PM +0200, Greg KH wrote:
> On Thu, Oct 12, 2023 at 04:53:38PM +0300, Ville Syrjälä wrote:
> > On Thu, Oct 12, 2023 at 03:40:08PM +0200, Greg KH wrote:
> > > On Thu, Oct 12, 2023 at 04:28:01PM +0300, Ville Syrjala wrote:
> > > > From: Ville Syrjälä
> > > >
> > > >
On Fri, Oct 13, 2023 at 12:53:59PM +0200, Andi Shyti wrote:
> Hi Ville,
>
> > If we can't find a free fence register to handle a fault in the GMADR
> > range just return VM_FAULT_NOPAGE without populating the PTE so that
> > userspace will retry the access and trigger another fault. Eventually
>
Hi Ville,
> If we can't find a free fence register to handle a fault in the GMADR
> range just return VM_FAULT_NOPAGE without populating the PTE so that
> userspace will retry the access and trigger another fault. Eventually
> we should find a free fence and the fault will get properly handled.
>
On Thu, Oct 12, 2023 at 04:53:38PM +0300, Ville Syrjälä wrote:
> On Thu, Oct 12, 2023 at 03:40:08PM +0200, Greg KH wrote:
> > On Thu, Oct 12, 2023 at 04:28:01PM +0300, Ville Syrjala wrote:
> > > From: Ville Syrjälä
> > >
> > > If we can't find a free fence register to handle a fault in the GMADR
On Thu, Oct 12, 2023 at 03:40:08PM +0200, Greg KH wrote:
> On Thu, Oct 12, 2023 at 04:28:01PM +0300, Ville Syrjala wrote:
> > From: Ville Syrjälä
> >
> > If we can't find a free fence register to handle a fault in the GMADR
> > range just return VM_FAULT_NOPAGE without populating the PTE so that
On Thu, Oct 12, 2023 at 04:28:01PM +0300, Ville Syrjala wrote:
> From: Ville Syrjälä
>
> If we can't find a free fence register to handle a fault in the GMADR
> range just return VM_FAULT_NOPAGE without populating the PTE so that
> userspace will retry the access and trigger another fault.
From: Ville Syrjälä
If we can't find a free fence register to handle a fault in the GMADR
range just return VM_FAULT_NOPAGE without populating the PTE so that
userspace will retry the access and trigger another fault. Eventually
we should find a free fence and the fault will get properly