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* Martin J. Bligh <mbligh@mbligh.org> wrote: > >>Grrr. Humpf. I can't see the option being turned on for lockdep ... > >>what was the config option, and is it enabled by default? > > In the -mm1 patch: > > config DEBUG_MUTEXES > - bool "Mutex debugging, deadlock detection" > - default n > + bool "Mutex debugging, basic checks" > + default y > > Please don't do thatas a default. but ... i fixed the performance problem that caused the previous DEBUG_MUTEXES scalability problems. (there's no global mutex list anymore) We also default to e.g. DEBUG_SLAB which is alot more costly. > It fucks up all the performance checking ;-( i'm wondering, why doesnt your config have DEBUG_MUTEXES disabled? Then 'make oldconfig' would pick it up automatically. Ingo - 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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