30ec3138ed
getf() on FreeBSD calls _sx_slock(), _sx_sunlock() and fget_locked(). Furthermore, it does not set the per-core fault flag, meaning it usually ends up in a double fault panic once getf() does get called, especially from fbt. Reviewing the DTrace Toolkit + a number of other scripts scattered around FreeBSD, I have not been able to find one use of getf(). Given how broken the implementation currently is, we disable it until it can be implemented properly. Also comment out a test in aggs/tst.subr.d for getf(). Reviewed by: markj MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D33378 |
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