Re: [PATCH] i386-pda UP optimization

* Eric Dumazet <[email protected]> wrote:

> > > +	GET_CPU_NUM(%ebx) \
> > >  	PER_CPU(cpu_gdt_descr, %ebx); \
> > >  	movl GDS_address(%ebx), %ebx; \
> >
> > %ebx very definitely wants to have a current CPU number loaded ;) Pick
> > it up from the task struct.
> 
> Hum.... Are you sure ?
> 
> For UP we have this PER_CPU definition :
> 
> #define PER_CPU(var, cpu) \
>         movl $per_cpu__/**/var, cpu;

hm, you are right. No quick ideas then.

	Ingo
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• References:
  • Re: [PATCH] i386-pda UP optimization
    • From: Eric Dumazet <[email protected]>
  • Re: [PATCH] i386-pda UP optimization
    • From: Ingo Molnar <[email protected]>
  • Re: [PATCH] i386-pda UP optimization
    • From: Eric Dumazet <[email protected]>

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