On 1/28/22 4:33 PM, Lee Jones wrote:

quoted

quoted

generic_handle_irq() is invoked from a regular interrupt service
routing. This handler will become a forced-threaded handler on

   s/routing/routine/?

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PREEMPT_RT and will be invoked with enabled interrupts. The
generic_handle_irq() must be invoked with disabled interrupts in order
to avoid deadlocks.

Instead of manually disabling interrupts before invoking use
generic_handle_irq() which can be invoked with enabled and disabled
interrupts.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

[...]

MBR, Sergey

What does that mean?

   Ah, you were asking about MBR! My best regards then. :-)

MBR, Sergey