Re: [patch 00/15] Generic Mutex Subsystem

[Christoph Hellwig]

On Mon, Dec 19, 2005 at 12:12:26PM -0800, Linus Torvalds wrote:
> And don't get me wrong: if it's easier to just ignore the performance bug, 
> and introduce a new "struct mutex" that just doesn't have it, I'm all for 
> it. However, if so, I do NOT want to do the unnecessary renaming. "struct 
> semaphore" should stay as "struct semaphore", and we should not affect old 
> code in the _least_.
> 
> Then code can switch to "struct mutex" if people want to. And if one 
> reason for it ends up being that the code avoids a performance bug in the 
> process, all the better ;)
> 
> IOW, I really think this should be a series of small patches that don't 
> touch old users of "struct semaphore" at all. None of this "semaphore" to 
> "arch_semaphore" stuff, and the new "struct mutex" would not re-use _any_ 
> of the names that the old "struct semaphore" uses.

That's exactly what Ingo's series does if you ignore the two odd patches ;-)
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