CVS commit: [netbsd-9] src

["Martin Husemann" <martin%netbsd.org@localhost>]

Module Name:    src
Committed By:   martin
Date:           Sun Dec  8 14:26:39 UTC 2019

Modified Files:
        src/distrib/sets/lists/comp [netbsd-9]: mi
        src/share/man/man9 [netbsd-9]: Makefile
        src/sys/sys [netbsd-9]: atomic.h
Added Files:
        src/share/man/man9 [netbsd-9]: atomic_loadstore.9

Log Message:
Pull up following revision(s) (requested by riastradh in ticket #508):

        distrib/sets/lists/comp/mi: revision 1.2294
        share/man/man9/Makefile: revision 1.443
        sys/sys/atomic.h: revision 1.18
        share/man/man9/atomic_loadstore.9: revision 1.1
        share/man/man9/atomic_loadstore.9: revision 1.2

New atomic load/store operations for the kernel.

Guarantee no fusing and no tearing, and can optionally impose
ordering relative to other memory operations.

Unordered:
- atomic_load_relaxed
- atomic_store_relaxed

Ordered:
- atomic_load_acquire
- atomic_load_consume
- atomic_store_release

These are intended to match C11 semantics, and can be defined in
terms of the C11 atomic API when ready.

Document relation to atomic_ops(3) and membar_ops(3).


To generate a diff of this commit:
cvs rdiff -u -r1.2278.2.4 -r1.2278.2.5 src/distrib/sets/lists/comp/mi
cvs rdiff -u -r1.437.2.2 -r1.437.2.3 src/share/man/man9/Makefile
cvs rdiff -u -r0 -r1.5.2.2 src/share/man/man9/atomic_loadstore.9
cvs rdiff -u -r1.13 -r1.13.22.1 src/sys/sys/atomic.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.