Re: unified percpu stuff

[Tejun Heo <htejun@gmail.com>]

Jeremy Fitzhardinge wrote:
> Tejun Heo wrote:
>> The current tj-percpu[1] contains Brian's commit which consolidates
>> load_gs_base() into switch_to_new_gdt(), 
> 
> There's a bit of a bootstrap problem using switch_to_new_gdt() on the
> boot CPU: it uses smp_processor_id, which ends up doing a
> percpu_read(cpu_number), which naturally crashes because %gs isn't set
> up yet.  Perhaps switch_to_new_gdt() should take the cpu number as a
> parameter (or at least a __switch_to_new_gdt variant which does).

Please feel free to submit a patch.  It being a pretty low level
function, I think it would be better to convert it to take cpu_number.

Thanks.

-- 
tejun