Re: [PATCH 1/1] iommu/vt-d: Don't request page request irq under dmar_global_lock

2019-04-26 Thread Joerg Roedel
On Fri, Apr 19, 2019 at 02:43:29PM +0800, Lu Baolu wrote: > drivers/iommu/intel-iommu.c | 6 ++ > 1 file changed, 6 insertions(+) Applied, thanks. ___ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/list

[PATCH 1/1] iommu/vt-d: Don't request page request irq under dmar_global_lock

2019-04-18 Thread Lu Baolu
Requesting page reqest irq under dmar_global_lock could cause potential lock race condition (caught by lockdep). [4.100055] == [4.100063] WARNING: possible circular locking dependency detected [4.100072] 5.1.0-rc4+ #2169 Not tainted [