Re: [Xen-devel] [PATCH] [pv-ops domU] support MAXSMP

[Andrew Jones <drjones@xxxxxxxxxx>]

On 12/18/2009 02:41 PM, Jan Beulich wrote:
> > > > Andrew Jones<drjones@xxxxxxxxxx>  18.12.09 14:23>>>
> > Another note here is that the amount of stack allocation is the same
> > regardless of the value of num_processors. We're just creating a pointer
> > to this structure on the stack. sizeof is smart enough to pass the
> > appropriate dynamic size on to the mc call for validation though. So I
> > think all should be good with this patch.
> Ah, okay. At least it'll be a clear BUG_ON() if an overflow happens. And
> that's probably what you got before your patch?
That's right; "kernel BUG at arch/x86/xen/multicalls.c:209!"

Andrew

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