28 Jan
2022
28 Jan
'22
1:33 p.m.
On Fri, 28 Jan 2022, Sergei Shtylyov wrote:
On 1/27/22 2:33 PM, Sebastian Andrzej Siewior wrote:
generic_handle_irq() is invoked from a regular interrupt service routing. This handler will become a forced-threaded handler on
s/routing/routine/?
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?
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Lee Jones [李琼斯]
Principal Technical Lead - Developer Services
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