Re: [PATCH] 8250: option 'force_polling' for buggy IRQs
From: One Thousand Gnomes <hidden>
Date: 2016-08-01 15:28:29
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Possibly related (same subject, not in this thread)
- 2016-07-29 · Re: [PATCH] 8250: option 'force_polling' for buggy IRQs · Max Staudt <hidden>
- 2016-07-29 · Re: [PATCH] 8250: option 'force_polling' for buggy IRQs · One Thousand Gnomes <hidden>
- 2016-07-28 · Re: [PATCH] 8250: option 'force_polling' for buggy IRQs · Eric W. Biederman <hidden>
- 2016-07-28 · Re: [PATCH] 8250: option 'force_polling' for buggy IRQs · "Theodore Ts'o" <tytso@mit.edu>
- 2016-07-28 · Re: [PATCH] 8250: option 'force_polling' for buggy IRQs · Greg KH <gregkh@linuxfoundation.org>
It might make sense to filter non-shared edge triggered interrupts out of irqpoll for that reason. Anything that supports a level triggered interrupt should be fine.
That would also break some platforms that use it today 8(. We'd need another irqpoll mode - at which point being able to force the serial port IRQ to 0 would be useful for ACPI boxes (devicetree people just mod the devicetree!) Alan