Re: huh startup_ipi_hook?

[Zachary Amsden <zach@vmware.com>]

Jeremy Fitzhardinge wrote:
> Zachary Amsden wrote:
>   
>> Of course we can create a bunch of new code to use the genapic
>> interface.  It is just a matter of copying apic.c and io-apic.c
>> verbatim and applying the sed command s/apic/vmi_apic/g. 
>>     
>
> Wouldn't it be cleaner to just change apic.c and io-apic.c to use, say,
> apic_ops to get access to the actual hardware, and then you could have
> native and vmi versions while sharing the bulk of the code.  Isn't that
> what genapic is intended to solve anyway?
>   

But the native and vmi versions would be identical.  You would be moving 
the apic_read / apic_write operations from paravirt_ops to apic_ops, 
which doesn't really solve anything, it just moves it around.

Zach