From: Dave Airlie
This is a hackaround a bug exposed with the GSP code, I'm not sure
what it happening exactly, but it appears some of our flushes don't
result in proper tlb invalidation for out BAR2 and we get a BAR2
fault from GSP and it all dies.
Signed-off-by: Dave Airlie
---
drivers/gpu/d
On 11/16/23 21:52, Yuran Pereira wrote:
Checking `args` after calling `op_map_prepare` is unnecessary since
if `op_map_prepare` was to be called with NULL args, it would lead
to a NULL pointer dereference, thus never hitting that check.
Hence this check can be removed, and a note added to remin
Hi Abhinav,
Thanks for sending this follow-up patch.
On 11/26/23 15:57, Abhinav Singh wrote:
Fix a sparse warning with this message
"warning:dereference of noderef expression". In this context it means we
are dereferencing a __rcu tagged pointer directly.
We should not be directly dereferencin
On Wed, Nov 29, 2023 at 05:23:13PM +0100, Thierry Reding wrote:
> > diff --git a/drivers/memory/tegra/tegra186.c
> > b/drivers/memory/tegra/tegra186.c
> > index 533f85a4b2bdb7..3e4fbe94dd666e 100644
> > --- a/drivers/memory/tegra/tegra186.c
> > +++ b/drivers/memory/tegra/tegra186.c
> > @@ -111,21
On Wed, Nov 29, 2023 at 01:55:04PM +0100, Lorenzo Pieralisi wrote:
> I don't think it should be done this way. Is the goal compile testing
> IORT code ?
Yes
> If so, why are we forcing it through the SMMU (only because
> it can be compile tested while eg SMMUv3 driver can't ?) menu entry ?
Bec
On Wed, Nov 29, 2023 at 05:58:08PM +, Robin Murphy wrote:
> On 29/11/2023 12:48 am, Jason Gunthorpe wrote:
> > The iommu_device_lock protects the iommu_device_list which is only read by
> > iommu_ops_from_fwnode().
> >
> > This is now always called under the iommu_probe_device_lock, so we don'
On 29/11/2023 12:48 am, Jason Gunthorpe wrote:
The iommu_device_lock protects the iommu_device_list which is only read by
iommu_ops_from_fwnode().
This is now always called under the iommu_probe_device_lock, so we don't
need to double lock the linked list. Use the iommu_probe_device_lock on
the
On Tue, Nov 28, 2023 at 08:48:04PM -0400, Jason Gunthorpe wrote:
> This API was defined to formalize the access to internal iommu details on
> some Tegra SOCs, but a few callers got missed. Add them.
>
> The helper already masks by 0x so remove this code from the callers.
>
> Suggested-by: Th
