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Bug#474648: please re-enable CONFIG_SECCOMP, it's harmless (and needed)

On Mon, Apr 07, 2008 at 12:47:56AM +0200, Sam Hocevar wrote:
> CONFIG_SECCOMP was disabled for performance reasons, but it has always
> been harmless. Quoting the author:
>  | On x86-64 SECCOMP generates absoutely zero performance hit.
>  | 
>  | The original seccomp patch for x86 also generated absolutely zero
>  | performance hit, both pratically and theoretically too. _zero_ CPU
>  | cycles of difference, zero cachelines.
>  (From http://marc.info/?l=linux-kernel&m=115235061904105)

that's pretty wrong.
it had a hit on each context switch.
> Please re-enable this feature. It is needed for CPUShare (see #417130).

that is a commercial entity, no need to push that.
unless something substantial comes up that bug can be close right away.


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