Page MenuHomeFreeBSD
Differential D20910

Enforce a 4GB DMA boundary on isci(4)
ClosedPublic
Actions

Authored by imp on Jul 10 2019, 10:20 PM.
Tags
None
Referenced Files
Unknown Object (File)
Sun, Mar 8, 8:57 AM
Unknown Object (File)
Wed, Mar 4, 6:20 PM
Unknown Object (File)
Wed, Mar 4, 10:10 AM
Unknown Object (File)
Dec 13 2025, 8:12 AM
Unknown Object (File)
Nov 27 2025, 3:35 PM
Unknown Object (File)
Nov 21 2025, 2:21 AM
Unknown Object (File)
Nov 21 2025, 2:21 AM
Unknown Object (File)
Nov 21 2025, 2:20 AM
View All Files
Subscribers
None

Details

Reviewers
jhb
Commits
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

Diff Detail

Repository
rS FreeBSD src repository - subversion
Lint
Lint Not Applicable
Unit
Tests Not Applicable

Revision Contents
Changeset List

PathSize
head/
sys/
dev/
isci/
3 lines
3 lines
6 lines

Diff 59619

View Options

head/sys/dev/isci/isci.h

Loading...
View Options

head/sys/dev/isci/isci.c

Loading...
View Options

head/sys/dev/isci/isci_controller.c

Loading...