Re: [PATCH v3 0/2] iommu: fix the failure of deferred attach for iommu attach device

On Tue, Jan 26, 2021 at 07:53:35PM +0800, Lianbo Jiang wrote: > Lianbo Jiang (2): > dma-iommu: use static-key to minimize the impact in the fast-path > iommu: use the __iommu_attach_device() directly for deferred attach > > drivers/iommu/dma-iommu.c | 29 +++-- > drive

[PATCH v3 0/2] iommu: fix the failure of deferred attach for iommu attach device

This patchset is to fix the failure of deferred attach for iommu attach device, it includes the following two patches: [1] [PATCH 1/2] dma-iommu: use static-key to minimize the impact in the fast-path This is a prepared patch for the second one, move out the is_kdump_kernel() check from i