Messages in this thread | | | Subject | Re: [PATCH][RFC] Spinlock-timeout | From | Benjamin Herrenschmidt <> | Date | Sun, 06 Jun 2004 17:23:38 -0500 |
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On Sat, 2004-06-05 at 15:31, Jake Moilanen wrote: > Here's a patch that will BUG() when a spinlock is held for longer then X > seconds. It is useful for catching deadlocks since not all archs have a > NMI watchdog. > > It is also helpful to find locks that are held too long. > > Please send comments.
It would be better to use the timebase on CPUs that have one, no ? Or you'll miss cases where either irqs are disabled or you are on a code path issued by the timer interrupt, and thus jiffies isn't updated
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