CVS commit: src/sys/arch

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

Module Name:    src
Committed By:   ad
Date:           Thu Feb 21 16:31:13 UTC 2008

Modified Files:
        src/sys/arch/amd64/include: types.h
        src/sys/arch/i386/include: types.h

Log Message:
#define __HAVE_ATOMIC_AS_MEMBAR, indicating that:

- atomic_cas_ni() does an implicit membar_exit()
- all other atomic operations do an implicit membar_sync()

While this might seem kind of arbitrary it's the basis for some important
optimizations.


To generate a diff of this commit:
cvs rdiff -r1.25 -r1.26 src/sys/arch/amd64/include/types.h
cvs rdiff -r1.58 -r1.59 src/sys/arch/i386/include/types.h

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