Re: [Xen-devel] Re: Genapic

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 18 May 2005, at 16:23, Keir Fraser wrote:

> > Using compile time switches for 3.0 would make it unusable for
> > distributions who likely won't ship different binaries for
> > the different low level architectures and force them to do
> > genapic like hacks on their own. Better probably to do it right
> > from the beginning, it is not that hard if you take a look
> > at the Linux code.
> I see that the ones you say can be run-time switched all add 
> include/asm/mach-default to the include search path as normal, and 
> then presumably explicitly include <asm/mach-xxx/xxx.h> where 
> required. Those that replace mach-default with their own include 
> directory in the search path presumably are forced to be a 
> compile-time option?
Ah, the penny drops. genapic is selected by pointing at mach-generic 
directories. That certainly looks like it should port over to Xen with 
little difficulty.
 -- Keir


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