In article <20060311135259.2246E2DA27@cvs.netbsd.org>,
Simon Burge  <simonb@netbsd.org> wrote:
>
>Module Name:	src
>Committed By:	simonb
>Date:		Sat Mar 11 13:52:59 UTC 2006
>
>Modified Files:
>	src/sys/arch/pc532/conf: files.pc532
>	src/sys/arch/pc532/include: proc.h types.h
>	src/sys/arch/pc532/pc532: genassym.cf locore.s trap.c
>Added Files:
>	src/sys/arch/pc532/include: userret.h
>	src/sys/arch/pc532/pc532: syscall.c
>
>Log Message:
>Use syscall_intern() to give a process a plain or fancy syscall,
>moving system call functionality from trap.c to new syscall.c
>Split out userret from trap.c to <machine/userret.h> and use
>mi_userret().
>This gets approx 20% speed improvement (45us to 36us) with lmbench's
>"lat_syscall null" benchmark(!).

Ok, this just leaves the vax (not supporting syscall_intern()). Can
someone step up to the plate and fix this?

christos