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SubjectRe: [PATCH] isapnp driver semaphore to mutex
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On Mon, 2007-12-03 at 20:11 +0100, Michal Schmidt wrote:
> Dne Mon, 03 Dec 2007 10:35:01 -0800
> Daniel Walker <dwalker@mvista.com> napsal(a):
>
> > Speaking of automating.. I created a little .vimrc add-on which helps
> > doing sem2mutex type changes. Here's the chunk I added,
> >
> > function Semtomutex( lo )
> > exe '%s/down(&'.a:lo.')/mutex_lock\(\&'.a:lo.'\)/g'
> > exe '%s/down_trylock(&'.a:lo.')/mutex_trylock\(\&'.a:lo.'\)/g'
>
> From the comment above mutex_trylock():
> * NOTE: this function follows the spin_trylock() convention, so
> * it is negated to the down_trylock() return values! Be careful
> * about this when converting semaphore users to mutexes.
>
> Michal

Thanks, I didn't notice this .. I've only run into one tho..

Daniel



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