Re: [PATCH 1/19] MUTEX: Introduce simple mutex implementation

[Daniel Walker]

On Mon, 2005-12-12 at 23:45 +0000, David Howells wrote:

>  (1) Provides a simple xchg() based semaphore as a default for all
>      architectures that don't wish to override it and provide their own.
> 
>      Overriding is possible by setting CONFIG_ARCH_IMPLEMENTS_MUTEX and
>      supplying asm/mutex.h
> 
>      Partial overriding is possible by #defining mutex_grab(), mutex_release()
>      and is_mutex_locked() to perform the appropriate optimised functions.

Your code is really similar to the RT mutex, which does everything that
your mutex does at least ? Assuming you've reviewed the RT mutex, why
would we want to use yours over it?

Daniel

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