On Fri, Aug 15, 2025 at 08:24:57AM +0000, Tian, Kevin wrote: > > From: Nicolin Chen <nicolinc@xxxxxxxxxx> > > Sent: Tuesday, August 12, 2025 6:59 AM > > > > The iommu_deferred_attach() is a runtime asynchronous function called by > > iommu-dma function, which could race against other attach functions if it > > accesses something in the dev->iommu_group. > > Is there a real racing scenario being observed or more theoretical? I think the commit message should explain the actual reason this is being done, which AFAICT because the new lockdeps added in following patches will fail on this path otherwise. Jason
