On Mon, Jan 05, 2026 at 11:21:48AM +0100, Kevin Bube wrote:

Greg KH <gregkh@linuxfoundation.org> writes:

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On Sat, Jan 03, 2026 at 09:06:29PM +0100, Kevin Bube wrote:

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Add an optional threaded IRQ handler to the generic UIO driver. This allows driver developers to keep the fast IRQ handler small and move tasks to the IRQ thread. We also update the documentation accordingly.

Kevin Bube (2): UIO: Add optional IRQ thread callback Documentation: Document threaded IRQ handler for UIO

Documentation/driver-api/uio-howto.rst | 8 ++++++++ drivers/uio/uio.c | 6 +++++- include/linux/uio_driver.h | 2 ++ 3 files changed, 15 insertions(+), 1 deletion(-)

But as no in-kernel driver now uses this, it will just be removed again :(

Please always provide real users for api changes, otherwise we can't determine if they are actually working or not.

I see. Thanks for taking a look.

How was this tested if you don't have an actual user for it? Why add it if you don't have a user for it? confused, greg k-h