Re: [PATCH] iommu/vt-d: Do not dump pasid table entries in kdump kernel

2022-01-19 Thread zelin deng
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.

[PATCH] iommu/vt-d: Do not dump pasid table entries in kdump kernel

2022-01-19 Thread Zelin Deng
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/