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Differential D20416

acpi_iort: add some error handling
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Authored by jchandra on May 26 2019, 11:31 PM.
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andrew
manu
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arm64
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rS352500: MFC r349348:
rS349348: arm64 acpi_iort: add some error handling
Summary

Print warnings for bad kernel configuration (NUMA disabled with multiple domains) and for firmware errors (incorrect proximity domain entries).

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rS FreeBSD src repository - subversion
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jchandra created this revision.May 26 2019, 11:31 PM
Herald added a reviewer: manu. · View Herald TranscriptMay 26 2019, 11:31 PM
Herald added subscribers: emaste, imp. · View Herald Transcript
Harbormaster completed remote builds in B24520: Diff 57926.May 26 2019, 11:31 PM
andrew added a comment.May 30 2019, 9:28 AM

How frequently is srat_resolve_its_pxm called?

jchandra added a comment.May 30 2019, 5:51 PM
In D20416#441876, @andrew wrote:

How frequently is srat_resolve_its_pxm called?

The SRAT has affinity entries for each memory segment, CPU and ITS block. Comes upto ~260 entries on my ThunderX2. We go into the main logic of srat_resolve_its_pxm() only for ITS blocks (2 entries).

jchandra planned changes to this revision.May 30 2019, 11:15 PM

I took a second look at this, and ran some more testing. I need to fix up a bug and add more comments.

Will update this diff.

jchandra updated this revision to Diff 58101.May 31 2019, 3:44 AM

Fix the check for warning (i > 1 now), fix up error message, and add a comment.

Harbormaster completed remote builds in B24617: Diff 58101.May 31 2019, 3:44 AM
This revision was not accepted when it landed; it landed in state Needs Review.Jun 24 2019, 9:25 PM
Closed by commit rS349348: arm64 acpi_iort: add some error handling (authored by jchandra). · Explain Why
This revision was automatically updated to reflect the committed changes.
jchandra added a commit: rS349348: arm64 acpi_iort: add some error handling.
jchandra added a commit: rS352500: MFC r349348:.Sep 18 2019, 11:18 PM

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head/
sys/
arm64/
acpica/
34 lines

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head/sys/arm64/acpica/acpi_iort.c

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