Differential D22559

bus_dma_dmar_load_ident((): load identity mapping into the map
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Authored by kib on Nov 26 2019, 5:51 PM.

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rS355138: bus_dma_dmar_load_ident(9): load identity mapping into the map.

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rS FreeBSD src repository - subversion

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Buildable 27783

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kib created this revision.Nov 26 2019, 5:51 PM

Herald added a subscriber: imp. · View Herald TranscriptNov 26 2019, 5:51 PM

Harbormaster completed remote builds in B27783: Diff 64896.Nov 26 2019, 5:51 PM

Not tested. There will be a trivial conflict in bus_dma.h, I will resolve it later.

With this patch and respective call (https://people.freebsd.org/~mav/ntb_hw_intel_dmar.patch) Intel NTB on Xeon v4 happily works with DMAR enabled. Thanks!

This revision is now accepted and ready to land.Nov 26 2019, 7:36 PM

Closed by commit rS355138: bus_dma_dmar_load_ident(9): load identity mapping into the map. (authored by kib). · Explain WhyNov 27 2019, 7:57 PM

This revision was automatically updated to reflect the committed changes.

kib added a commit: rS355138: bus_dma_dmar_load_ident(9): load identity mapping into the map..

Revision Contents
Changeset List

Path

Size

sys/

x86/

include/

2 lines

iommu/

63 lines

2 lines

1 line

11 lines

x86/

busdma_machdep.c

7 lines

Diff 64896

sys/x86/include/bus_dma.h

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sys/x86/iommu/busdma_dmar.c

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sys/x86/iommu/intel_ctx.c

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sys/x86/iommu/intel_dmar.h

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sys/x86/iommu/intel_gas.c

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sys/x86/x86/busdma_machdep.c

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