Hi, Thomas,
On Sat, Feb 05, 2022 at 12:22:12AM +0100, Thomas Gleixner wrote:
> On Fri, Jan 28 2022 at 12:28, Fenghua Yu wrote:
> > A new mm doesn't have a PASID yet when it's created. Initialize
> > the mm's PASID on fork() or for init_mm to INVALID_IOASID (-1).
>
> I must be missing something
On Fri, Jan 28 2022 at 12:28, Fenghua Yu wrote:
> A new mm doesn't have a PASID yet when it's created. Initialize
> the mm's PASID on fork() or for init_mm to INVALID_IOASID (-1).
I must be missing something here.
> diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h
> index
A new mm doesn't have a PASID yet when it's created. Initialize
the mm's PASID on fork() or for init_mm to INVALID_IOASID (-1).
Suggested-by: Dave Hansen
Signed-off-by: Fenghua Yu
Reviewed-by: Tony Luck
---
v2:
- Change condition to more accurate CONFIG_IOMMU_SVA (Jacob)
