Re: [PATCH 6/9 UPDATED] percpu: enforce global definition

[Steven Rostedt]

On Thu, 2009-06-18 at 16:38 +0900, Tejun Heo wrote:
> Some archs (alpha and s390) need to add 'weak' attribute to percpu
> variable definitions so that the compiler generates external
> references for them.  To allow this, enforce global definition of all
> percpu variables.
> 
> This patch makes DEFINE_PER_CPU_SECTION() do DECLARE_PERCPU_SECTION()
> implicitly and drop static from all percpu definitions.
> 
> [ Impact: all percpu variables are forced to be global ]
> 
> Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
> Reviewed-by: Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx>
> Acked-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>

Uh, wont this cause name space collisions?

-- Steve


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