Re: Fw: SMP Support

["Naushit Sakarvadia" <naushit@softhome.net>]

Cort,

Thanks ,
I will definately look into issue of  broadcast TLB invalidate with 755.
But  I want to know  How do the let the Kernel know that there is
another processor sitting on the 60x Bus?

I never worked on SMP based system...I just want to know where to start??

Thanks
Naushit.



> There are some tricks for the 750 on SMP that no-one has actually tried
> yet.  I did some early work with it that ended up with horrible
> performance.  The 750's don't broadcast TLB invalidates and that really
> messes SMP up for us.
>
> I'm not sure of the 755 follows in this tradition but I'd suggest checking
> carefully for that.  SMP works well on anything other than 750's, though.
>
> } I was wondering if there is SMP support  for TWO Processors
> } in Powerpc based Embedded Sytem.
> }
> } I have 2  MPC755 Processors  sharing one 60x Bus.
> } Both of  them have 1MB of L2 Cache, and Share DRAM connected to 60x bus.
> }
> }
> } Have anybody already used powerpc SMP??
> } Have anybody used M-system Disk-on-Chip 2000 with PowerPC linux?
> } How about Powerspan PCI bridge support??
> }
> }
> } Thanks for any pointers
> }
> } Naushit.
> }
> }


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