Hi Joerg,
On 11/3/20 9:23 PM, Joerg Roedel wrote:
Hi Baolu,
On Mon, Oct 26, 2020 at 02:30:08PM +0800, Lu Baolu wrote:
@@ -264,7 +266,8 @@ int iommu_probe_device(struct device *dev)
*/
iommu_alloc_default_domain(group, dev);
- if (group->default_domain)
+ if (group->default_domain &&
+ !iommu_is_attach_deferred(group->default_domain, dev))
ret = __iommu_attach_device(group->default_domain, dev);
This is the hotplug path, not used for boot-initialization. Have you
seen failures from the missing check here?
I haven't seen any failure. Just wondered why deferred attaching was not
checked here. It's fine to me if it's only for hotplug path.
Please ignore this change.
Best regards,
baolu
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