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SubjectRe: [RFC PATCH] qspinlock: Improve performance by reducing load instruction rollback
From
>
> So it would be nice to create a new user-space spinlock testing facility, via a
> new 'perf bench spinlock' feature or so. That way others can test and validate
> your results on different hardware as well.
>
Attached the spinlock test module . Queued spinlock will run very
slowly in user space
because process switch context, it is OK for spinlock-test
implementation with kernel module ?

Thanks
Ling
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