Re: [PATCH v8 2/8] nptl: Add C11 threads mtx_* functions

[Florian Weimer <fweimer at redhat dot com>]

On 07/12/2018 10:30 PM, Adhemerval Zanella wrote:

> > I'm concerned about this because in the future, we might compile the implementations to remove checks that are not needed for the C11 implementations.
>
> Why kind of scenario do you have in mind? Maybe use a more streamlined
> internal implementation for C11 threads?

Yes, the polymorphic mutex types must have *some* overhead (think of 
speculatively executing the wrong atomics), and less polymorphism should 
improve performance.

Thanks,
Florian