svn commit: r198868 - in head/sys: amd64/amd64 i386/i386

Dag-Erling Smørgrav des at
Wed Nov 4 16:09:07 UTC 2009

Attilio Rao <attilio at> writes:
> Dag-Erling Smørgrav <des at> writes:
> > According to the reference you gave, OpenSolaris has a workaround for
> > this issue.  Perhaps we should adopt it?
> IIRC, based on what I readed on-line, it could be still a WARNING msg,
> but I didn't double-check for it.

Uh, apparently, it can be worked around with an additional lfence
instruction...  See the first couple of comments on that bugzilla page
you linked to.  If the cost is too high, we could make it conditional on
"options BROKEN_OPTERON_E" or something.

Dag-Erling Smørgrav - des at

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