Module Name:	syssrc
Committed By:	thorpej
Date:		Tue Aug 10 18:53:03 UTC 1999

Modified Files:
	syssrc/sys/arch/alpha/alpha: machdep.c
	syssrc/sys/arch/alpha/include: intr.h

Log Message:
Use atomic operations to manipulate the SSIR, and fix a problem introduced
with the spllowersoftclock() changes where more interrupts than necessary
were blocked while software interrupts were being processed.


To generate a diff of this commit:
cvs rdiff -r1.177 -r1.178 syssrc/sys/arch/alpha/alpha/machdep.c
cvs rdiff -r1.20 -r1.21 syssrc/sys/arch/alpha/include/intr.h

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