Re: [RESEND] [BUG] futex_unlock_pi() hurts my brain and may causeapplication deadlock

From: Ingo Molnar
Date: Mon Aug 06 2007 - 03:21:34 EST



* john stultz <johnstul@xxxxxxxxxx> wrote:

> Hey Ingo,
> I sent this fix for this back in the 2.6.21-rt9 era, and I thought to
> picked it up, but I think it arrived amid some futex churn and
> apparently has been dropped or was just lost.
>
> Some of our testers have been reporting futex deadlocks and this fix
> resolves it, so I believe it to still be needed.

hmm ... so the many rounds of pi-futex fixes from Alexey and Thomas did
not resolve that deadlock?

Ingo
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