Re: is __insn_barrier() needed in _splraise()

["Michael L. Hitch" <mhitch%lightning.msu.montana.edu@localhost>]

On Wed, 6 May 2009, Manuel Bouyer wrote:

> m68k ports has an inline splhigh (_splraise() really); and I couldn't
> determine if the assembly in this function is a barrier for
> the compiler, or if a __insn_barrier() is needed here. Can someone
> confirms it ?

  Looking at a disassembly of kern_softint.o for the amiga indicates that 
it is needed.  The second check of sh_flags after the splhigh() is 
missing.

  Note:  the vax also appears to need this, again based on disassembly of 
kern_softint.o.

--
Michael L. Hitch                        mhitch%montana.edu@localhost
Computer Consultant
Information Technology Center
Montana State University        Bozeman, MT     USA