Re: Use of mutex in interrupt context flawed/impossible, need advice.

On Thu, 22 Nov 2007 17:19:44 +0100
"Leon Woestenberg" <[email protected]> wrote:

> I forgot to mention that I would like to be prepared for, and use the
> -rt patch soon. I understand (maybe wrongly?) that semaphores are not
> real-time pre-emptible, mutexes and spinlocks are.

Semaphores are preemptible, but they don't do priority inheritance.

Michal
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References:
- Use of mutex in interrupt context flawed/impossible, need advice.
  - From: "Leon Woestenberg" <[email protected]>
- Re: Use of mutex in interrupt context flawed/impossible, need advice.
  - From: Oliver Neukum <[email protected]>
- Re: Use of mutex in interrupt context flawed/impossible, need advice.
  - From: "Leon Woestenberg" <[email protected]>

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