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O_PATH: disable kqfilter for fifos

Description

O_PATH: disable kqfilter for fifos

Filter on fifos is real filter for the object, and not a filesystem
events filter like EVFILT_VNODE.

Reported by: markj using syzkaller
Reviewed by: markj
Sponsored by: The FreeBSD Foundation
MFC after: 3 days

Details

Provenance
kibAuthored on Apr 28 2021, 3:45 PM
Parents
rG72a42ec63b4a: amd64: disable LA57 by default for now
Branches
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