CVS commit: src/common/lib/libc/arch/arm/atomic

["Nick Hudson" <skrll%netbsd.org@localhost>]

Module Name:    src
Committed By:   skrll
Date:           Mon Apr 26 21:40:21 UTC 2021

Modified Files:
        src/common/lib/libc/arch/arm/atomic: atomic_swap.S atomic_swap_16.S
            atomic_swap_64.S

Log Message:
Add the appropriate memory barrier before the lock is cleared in
__sync_lock_release_{1,2,4,8}.  That is, all reads and write for in inner
shareability domain before the lock clear store.


To generate a diff of this commit:
cvs rdiff -u -r1.16 -r1.17 src/common/lib/libc/arch/arm/atomic/atomic_swap.S
cvs rdiff -u -r1.4 -r1.5 src/common/lib/libc/arch/arm/atomic/atomic_swap_16.S
cvs rdiff -u -r1.11 -r1.12 \
    src/common/lib/libc/arch/arm/atomic/atomic_swap_64.S

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