NetBSD master CVS tree commits

[source%NetBSD.ORG@localhost]

pk
Mon May 19 03:43:29 PDT 1997
Update of /cvsroot/src/sys/kern
In directory netbsd1:/var/slash-tmp/cvs-serv15562

Modified Files:
        kern_physio.c 
Log Message:
Use PHOLD() and PRELE(), rather than manipulating p_holdcnt directly.