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xen/arm64: add sys/arm64/include/xen/synch_bitops.h
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Authored by ehem_freebsd_m5p.com on Jul 2 2021, 5:40 AM.

Details

Reviewers
royger
mhorne
manu
Summary

These are used when accessing data shared between Xen domains. Initial
testing suggests FreeBSD's atomics are suitable for this, but there is a
bit of uncertainty.

If the atomics are suitable for more platforms, then this header could
be used as architecture-independent. Whereas the existing versions are
very much specialized for their respective architectures.

This was broken off of a "xen/arm64: add xen platform" commit. This
portion seemed a rather distinct part of adding aarch64 support.

Submitted by: Elliott Mitchell <ehem+freebsd@m5p.com>
Original implementation: Julien Grall <julien@xen.org>, 2014-01-13 17:40:58

Diff Detail

Repository
rS FreeBSD src repository - subversion
Lint
Lint OK
Unit
No Unit Test Coverage
Build Status
Buildable 40229
Build 37118: arc lint + arc unit