Hi Baolu,
On Fri, Mar 19, 2021 at 09:02:34AM +0800, Lu Baolu wrote:
> This code modifies the pasid directory entry. The pasid directory
> entries are allocated on demand and will never be freed.
>
> > What you need to do here is to retry the whole path by adding a goto
> > to before the first
Hi Joerg,
On 3/18/21 6:21 PM, Joerg Roedel wrote:
On Wed, Mar 17, 2021 at 08:58:34AM +0800, Lu Baolu wrote:
The pasid_lock is used to synchronize different threads from modifying a
same pasid directory entry at the same time. It causes below lockdep splat.
[ 83.296538]
On Wed, Mar 17, 2021 at 08:58:34AM +0800, Lu Baolu wrote:
> The pasid_lock is used to synchronize different threads from modifying a
> same pasid directory entry at the same time. It causes below lockdep splat.
>
> [ 83.296538]
> [
The pasid_lock is used to synchronize different threads from modifying a
same pasid directory entry at the same time. It causes below lockdep splat.
[ 83.296538]
[ 83.296538] WARNING: possible irq lock inversion dependency detected
[
