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arm64: fix mask in atomic_testand{set,clear}_64

Description

arm64: fix mask in atomic_testand{set,clear}_64

These macros generate both the 32- and 64-bit ops, but the mask was hard
coded for 32-bit ops, causing the 64-bit ops always to affect only the
low 32 bits.

PR: 252324
Reported by: gbe, mmel
Reviewed by: markj, mmel
Tested by: mmel, rwatson
Sponsored by: Dell EMC Isilon
Differential Revision: https://reviews.freebsd.org/D27886

Details

Provenance
rlibbyAuthored on Jan 2 2021, 8:11 PM
Reviewer
markj
Differential Revision
D27886: arm64: fix mask in atomic_testand{set,clear}_64
Parents
R10:3630506b9dae: loader: implement framebuffer console
Branches
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Tags
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