Re: [PATCH -mm -v5] Separate atomic_t declaration fromasm/atomic.h into asm/atomic_def.h

From: Ingo Molnar
Date: Fri Oct 10 2008 - 17:50:47 EST



* Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:

> On Wed, 08 Oct 2008 17:44:30 +0800
> Huang Ying <ying.huang@xxxxxxxxx> wrote:
>
> > From: Huang Ying <ying.huang@xxxxxxxxx>
> >
> > asm/atomic.h contains both declaration and implementation of atomic_t. So
> > there are some implementation related files included in asm/atomic.h. And
> > atomic_t is a typedef. Combination of above makes it impossible to use
> > atomic_t in files included by atomic.h. Such as atomic_t can not be used
> > in linux/kernel.h on i386, because it is included by asm/atomic.h.
> >
> > It is reasonable to separate declaration from implementation. So a new
> > file atomic_types.h is added for every architecture to accommodate the
> > declaration of atomic_t.
> >
> > Includes fixes from Andrew Moton.
> >
> > Signed-off-by: Huang Ying <ying.huang@xxxxxxxxx>
> > Reviewed-by: Ingo Molnar <mingo@xxxxxxx>
>
> The difference between what-i-currently-have and what-you-just-sent is
> below. It's quite large.
>
> Can you explain this update please?

i've been giving review feedback to make it all fit into existing
namespace concepts better. Should have no change in functionality. (But
i have not tested it)

Ingo
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