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SubjectRe: [PATCH] call sysrq_timer_list_show from a workqueue

(Rusty Cc:-ed)

* Kyle McMartin <kyle@mcmartin.ca> wrote:

> handle_sysrq can be called from interrupt context.
> sysrq_timer_list_show eventually starts poking at module symbols which
> take the module mutex.
>
> so instead, let's just kick off a workqueue.
>
> [ doesn't happen on my laptop with the keyboard, but does when
> triggered from /proc/sysrq-trigger ]

hmmm. This really shouldnt be happening - how come we hit the module
mutex on simple things like symbol lookups?

Ingo


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