On 04/04/2013 08:39 AM, Siddhesh Poyarekar wrote: > On 4 April 2013 20:39, Stanislav Meduna <stano@xxxxxxxxxx> wrote: >> The first thing e.g. the __pthread_cond_broadcast (and most of the >> other functions as well) does is to grab lll_lock. Is the following >> scenario possible? > > Yes this is possible. I think there is a bug report that describes > this. We need to convert the pthread_cond_t internal lock into a PI > one if the mutex guarding it is PI. It's probably tricky to do > though; I haven't thought it through. I have patches out on the glibc alpha list that do this. It is on my plate to dust these off, reapply and test them, and try to push them again, I just haven't been able to get to it. Patches and test cases available here: http://sourceware.org/bugzilla/show_bug.cgi?id=11588 -- Darren Hart Intel Open Source Technology Center Yocto Project - Technical Lead - Linux Kernel -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
