Re: [COUNTERPATCH] mm: avoid overflowing preempt_count() inmmu_take_all_locks()

From: Peter Zijlstra
Date: Thu Apr 01 2010 - 07:16:45 EST

On Thu, 2010-04-01 at 14:13 +0300, Avi Kivity wrote:

> If someone is willing to audit all code paths to make sure these locks
> are always taken in schedulable context I agree that's a better fix.

They had better be, they're not irq-safe. Also that's what lockdep is

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