cvs commit: src/sys/alpha/include cpu.h src/sys/amd64/include cpu.h src/sys/arm/include cpu.h src/sys/i386/include cpu.h src/sys/ia64/include cpu.h src/sys/powerpc/include cpu.h src/sys/sparc64/include cpu.h src/sys/kern kern_mutex.c

[Marcel Moolenaar]

On Tue, Aug 03, 2004 at 06:44:27PM +0000, Maxime Henrion wrote:
> mux         2004-08-03 18:44:27 UTC
> 
>   FreeBSD src repository
> 
>   Modified files:
>     sys/alpha/include    cpu.h 
>     sys/amd64/include    cpu.h 
>     sys/arm/include      cpu.h 
>     sys/i386/include     cpu.h 
>     sys/ia64/include     cpu.h 
>     sys/powerpc/include  cpu.h 
>     sys/sparc64/include  cpu.h 
>     sys/kern             kern_mutex.c 
>   Log:
>   Instead of calling ia32_pause() conditionally on __i386__ or __amd64__
>   being defined, define and use a new MD macro, cpu_spinwait().  It only
>   expands to something on i386 and amd64, so the compiled code should be
>   identical.

Cool, but can you explain to me how exactly cpu_spinwait() is to be
different from cpu_idle() that we cannot use cpu_idle()?

-- 
 Marcel Moolenaar	  USPA: A-39004		 marcel at xcllnt.net