Messages in this thread | | | Date | Thu, 22 Nov 2007 17:19:44 +0100 | From | "Leon Woestenberg" <> | Subject | Re: Use of mutex in interrupt context flawed/impossible, need advice. |
| |
Hello,
On Nov 22, 2007 5:11 PM, Oliver Neukum <oliver@neukum.org> wrote: > Am Donnerstag 22 November 2007 schrieb Leon Woestenberg: > > I would like to know why this is not so, and if someone has a cleaner > > proposal than the "try spinlock" approach? > > Keep the semaphore. > 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.
Regards, -- Leon - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |