CVS commit: src/sys/arch

[Andrew Doran <ad%netbsd.org@localhost>]

Module Name:    src
Committed By:   ad
Date:           Fri Jun 27 18:16:02 UTC 2008

Modified Files:
        src/sys/arch/amd64/amd64: lock_stubs.S
        src/sys/arch/i386/i386: lock_stubs.S

Log Message:
mutex_spin_enter: xchg is usually cheaper than cmpxchg, so use it.


To generate a diff of this commit:
cvs rdiff -r1.19 -r1.20 src/sys/arch/amd64/amd64/lock_stubs.S
cvs rdiff -r1.20 -r1.21 src/sys/arch/i386/i386/lock_stubs.S

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