CVS commit: src/sys/arch/alpha/alpha

["Jason R Thorpe" <thorpej%netbsd.org@localhost>]

Module Name:    src
Committed By:   thorpej
Date:           Tue Jul 13 01:59:10 UTC 2021

Modified Files:
        src/sys/arch/alpha/alpha: lock_stubs.s patch.c

Log Message:
As with membar_producer() and membar_sync(), initialize the fast-path
lock stubs with "unop" isns where memory barriers need to be, and if
we detect a multiprocessor system, patch those locations with "mb" insns.


To generate a diff of this commit:
cvs rdiff -u -r1.6 -r1.7 src/sys/arch/alpha/alpha/lock_stubs.s \
    src/sys/arch/alpha/alpha/patch.c

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