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SubjectRe: [PATCH 0/10] local_t : adding and standardising atomic primitives

> These patches extend and standardise local_t operations on each architectures,
> allowing a rich set of atomic operations to be done on per-cpu data with
> minimal performance impact. On some architectures, there seems to be no
> difference between the SMP and UP operation (same memory barriers, same
> LOCking), local.h simply includes asm-generic/local.h, which removes duplicated
> code.

Could you provide some Documentation/? Knowing when local_t can be
used is kind-of important.
Thanks for all the (sleeping) penguins.
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