Re: spinlocks() are severely broken in 2.2.X and 2.4.X for modules

[Andi Kleen]

On Sat, Jul 01, 2000 at 11:07:10PM +1000, Keith Owens wrote:
> On Sat, 1 Jul 2000 14:32:15 +0200, 
> "Andi Kleen" <[e-mail]> wrote:
> >Here is a quick hack. The results are slightly off because of section
> >padding though. It only works on object files or modules (vmlinux doesn't
> >have any reloc records) 
> 
> Why $SPINSIZE = 14?  On ix86 most .text.lock code is
>   call helper
>   jmp  1b

That's the semaphore. spinlocks are 14 bytes (+padding). Yes, it needs some
more tuning.

-Andi