在 2022/1/20 上午10:58, Lu Baolu 写道:
On 1/19/22 5:07 PM, Zelin Deng wrote:
In kdump kernel PASID translations won't be copied from previous kernel
even if scalable-mode is enabled, so pages of PASID translations are
Yes. The copy table support for scalable mode is still in my task list.
0010:dmar_fault_dump_ptes+0x13b/0x295
Hence skip dumping pasid table entries if in kdump kernel.
Fixes: 914ff7719e8a (“iommu/vt-d: Dump DMAR translation structure when DMA
fault occurs”)
Signed-off-by: Zelin Deng
---
drivers/iommu/intel/iommu.c | 6 ++
1 file changed, 6 insertions(+)
diff --git a/drivers/