Messages in this thread | | | From | Rusty Russell <> | Subject | Re: [PATCH] Hotplug CPU prep III: daemonize idle tasks | Date | Mon, 13 May 2002 12:01:04 +1000 |
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In message <AAEGIMDAKGCBHLBAACGBAELNCHAA.balbir.singh@wipro.com> you write: > I tried a version of __daemonize in 2.4. It panics in > schedule() > > prepare_to_switch(); > { > struct mm_struct *mm = next->mm; > struct mm_struct *oldmm = prev->active_mm; > if (!mm) { > if (next->active_mm) BUG(); > > I got hit by the BUG() in 2.4, I think prepare_to_switch has > moved to specific archs in 2.5. A quick look showed that > this issue no longer exists in 2.5.
Uhhh... there are many other problems if you are trying to do this on a "live" process. idle process creation is a special case because it has never been run yet.
This is not a generic "daemonize this task" mechanism! Rusty. -- Anyone who quotes me in their sig is an idiot. -- Rusty Russell. - 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/
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