Re: [PATCH] cpu hotplug ppc64 bug

[Joel Schopp]

I think that function pointers are a good idea too.  But I'm not sure 
why that should hold up this patch.  As it stands now all ppc64 
platforms that do hotplug happen to be pSeries.  I don't know of any 
other ppc64 platforms that are not pSeries who plan on doing this in the 
next few years.  The function is already pSeries specific anyway with 
the rtas_stop_self call.

Meanwhile if we do not put this patch in all Power5 machines will be 
unable to do cpu hotplug with a mainline kernel.



> I wanted to do this a bit differently - I was going to make cpu_die be
> a platform-specific function called via a ppc_md function pointer,
> rather than putting very pseries-specific stuff in smp.c, which is
> used on all platforms.  But having been on vacation and then
> travelling, I haven't got to it yet.
>
> Paul.
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