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Differential D27897

arm: fix atomic_testand{set,clear}_64 for ops on high bits
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Authored by rlibby on Jan 2 2021, 8:29 PM.
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Reviewers
andrew
• ian
kib
markj
mmel
Commits
rG486580c44ce2: arm: fix atomic_testand{set,clear}_64 for ops on high bits
Summary

The fix in bd03acedb804add1e22178d50eb2bfb703974ddf worked for 32-bit
ops, and for 64-bit ops for bit arguments of 0 - 95, but then was broken
for operations on the high 32 bits after that.

See also D27886, D27895, and bd03acedb804add1e22178d50eb2bfb703974ddf.

Test Plan

So far just buildkernel, I haven't been able to get qemu-system-arm working.

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rG FreeBSD src repository
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sys/
arm/
include/
6 lines

Diff 81566

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sys/arm/include/atomic-v6.h

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