Page MenuHomeFreeBSD

Force 16 byte alignment of preloaded files on i386 and amd64.
AbandonedPublic

Authored by markj on Jul 19 2018, 8:36 PM.
Tags
None
Referenced Files
F168823200: D16354.id45559.diff
Sun, Aug 30, 8:01 AM
F168819569: D16354.diff
Sun, Aug 30, 7:37 AM
F168818682: D16354.id.diff
Sun, Aug 30, 7:32 AM
Unknown Object (File)
Tue, Aug 11, 7:50 AM
Unknown Object (File)
Mon, Aug 10, 1:21 PM
Unknown Object (File)
Sun, Aug 9, 7:01 PM
Unknown Object (File)
Sun, Aug 9, 4:31 PM
Unknown Object (File)
Fri, Aug 7, 5:11 PM
Subscribers

Details

Reviewers
imp
kevans
Summary

This is required to support early microcode loading, which occurs before
we can use a kernel memory allocator to make an aligned copy of the
microcode update file.

Diff Detail

Lint
Lint Passed
Unit
No Test Coverage
Build Status
Buildable 18178
Build 17911: arc lint + arc unit

Event Timeline

The approach taken in D16370 means that we don't need this anymore. There is some argument for providing a minimum alignment of CACHE_LINE_SIZE or so to all preloaded files, but this change isn't the right way to do that.