Force 16 byte alignment of preloaded files on i386 and amd64.
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Authored by markj on Jul 19 2018, 8:36 PM.

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emaste

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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.

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Buildable 18178
Build 17911: arc lint + arc unit

Event Timeline

markj created this revision.Jul 19 2018, 8:36 PM

Harbormaster completed remote builds in B18178: Diff 45559.Jul 19 2018, 8:36 PM

markj added reviewers: imp, kevans.Jul 19 2018, 8:41 PM

markj added a subscriber: emaste.

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.