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Differential D20910

Enforce a 4GB DMA boundary on isci(4)
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Authored by imp on Jul 10 2019, 10:20 PM.
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jhb
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rS349895: Enforce a 4GB DMA boundary on isci(4)
Summary

This device cannot cross a 4GB boundary with DMA. Removing the
boundary in r346386 resulted in low frequency memory corruption on
machines with isci(4) controllers.

Submitted by: gallatin@
Sponsored by: Netflix

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Repository
rS FreeBSD src repository - subversion
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PathSize
head/
sys/
dev/
isci/
3 lines
3 lines
6 lines

Diff 59619

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head/sys/dev/isci/isci.h

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head/sys/dev/isci/isci.c

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head/sys/dev/isci/isci_controller.c

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