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arm64: clear debug register state on fork

Description

arm64: clear debug register state on fork

Following the analogous change for amd64 and i386 in 8223717ce62c,
ensure that new processes start with these registers inactive.

PR: 254661
Reported by: Michał Górny
Reviewed by: kib, emaste
MFC after: 3 days
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D29630

Details

Provenance
mhorneAuthored on Apr 7 2021, 7:23 PM
Reviewer
kib
Differential Revision
D29630: arm64: clear debug register state on fork
Parents
R10:4967f672ef30: pf: Remove unused variable rt_listid from struct pf_krule
Branches
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