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SubjectRe: [patch] Real-Time Preemption, -RT-2.6.9-rc4-mm1-U8
On Thu, Oct 21, 2004 at 07:47:29PM +0400, Eugeny S. Mints wrote:
> Seems it is too coplex model at least for the first step. The one of
> possible trade-offs coming on mind is to trace the number of resources
> (mutexes) held by a process and to restore original priority only when
> resource count reaches 0. This is one of the sollutions accepted by RTOS
> guys.

That complicates analysis, though, since you now have to look at all
critical sections that the shared-with-high-priority-threads critical
sections nest in. IMHO, it's important that the inherited priority
be given up as soon as the resource is released.

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