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Date: Mon, 3 Dec 2007 14:57:41 +0100 From: Ingo Molnar <mingo@...e.hu> To: Pekka Enberg <penberg@...helsinki.fi> Cc: Andi Kleen <andi@...stfloor.org>, Radoslaw Szkodzinski <lkml@...ralstorm.puszkin.org>, Arjan van de Ven <arjan@...radead.org>, linux-kernel@...r.kernel.org, Andrew Morton <akpm@...ux-foundation.org>, Thomas Gleixner <tglx@...utronix.de> Subject: Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE tasks * Pekka Enberg <penberg@...helsinki.fi> wrote: > Hi, > > On Mon, Dec 03, 2007 at 12:59:00PM +0100, Ingo Molnar wrote: > > > "audit thousands of callsites in 8 million lines of code first" is a > > > nice euphemism for hiding from the blame forever. We had 10 years for it > > On Dec 3, 2007 2:13 PM, Andi Kleen <andi@...stfloor.org> wrote: > > Ok your approach is then to "let's warn about it and hope > > it will go away" > > It's more like "lets warn about it and fix the problems when we find > some." Btw, how is this different from how the lockdep patches went > in? yeah, it's quite similar. (in fact this feature is expected to have a false positive rate lower than that of lockdep) The backtraces are essential as well, they help kernel developer find the bugs. Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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