[PATCH 0/4] Help to debug spinlocks

[Valdis Kl=?utf-8?Q?=c4=93?=tnieks]

On Sun, 20 Dec 2020 12:47:08 +0100, John Wood said:

> disable interrupts. Then, the task_free hook was call from an IRQ context
> and tried to acquire the same lock in a write state.

OK, I'll bite.

Why was task_free called from an IRQ context in the first place? That sounds
awfully fishy.....
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