Re: [patch 05/15] Generic Mutex Subsystem, mutex-core.patch

* Steven Rostedt <[email protected]> wrote:

> The unlikely below is only for the non MUTEX_LOCKLESS_FASTPATH case.
> Maybe have a define for the unlikely?
> 
> #ifdef MUTEX_LOCKLESS_FASTPATH
> #  define UNLIKELY_SLOW(x) x
> #else
> #  define UNLIKELY_SLOW(x) unlikely(x)
> #endif

> > +       if (unlikely(!list_empty(&lock->wait_list)))
> > +               __mutex_wakeup_waiter(lock __IP__);

i'll rather eliminate the unlikely().

	Ingo
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---

• References:
  • [patch 05/15] Generic Mutex Subsystem, mutex-core.patch
    • From: Ingo Molnar <[email protected]>
  • Re: [patch 05/15] Generic Mutex Subsystem, mutex-core.patch
    • From: Steven Rostedt <[email protected]>

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