On 2022/7/1 16:15, Tian, Kevin wrote:
From: Lu Baolu
Sent: Wednesday, June 29, 2022 3:47 PM
+ spin_lock_irqsave(&device_domain_lock, flags);
list_for_each_entry(info, &domain->devices, link) {
- if (!info->dev)
- continue;
-
suppose you can re
On 2022/7/1 16:15, Tian, Kevin wrote:
From: Lu Baolu
Sent: Wednesday, June 29, 2022 3:47 PM
+ spin_lock_irqsave(&device_domain_lock, flags);
list_for_each_entry(info, &domain->devices, link) {
- if (!info->dev)
- continue;
-
suppose you can re
> From: Lu Baolu
> Sent: Wednesday, June 29, 2022 3:47 PM
>
> + spin_lock_irqsave(&device_domain_lock, flags);
> list_for_each_entry(info, &domain->devices, link) {
> - if (!info->dev)
> - continue;
> -
suppose you can replace all spin_lock_irqsave() wit
The device_domain_lock is used to protect the device tracking list of
a domain. Remove unnecessary spin_lock/unlock()'s and move the necessary
ones around the list access.
Signed-off-by: Lu Baolu
---
drivers/iommu/intel/iommu.c | 61 ++---
1 file changed, 23 inser
