Re: [ANNOUNCE] v5.14-rc4-rt4

From: Sebastian Andrzej Siewior
Date: Wed Aug 04 2021 - 11:57:52 EST


On 2021-08-04 09:49:48 [-0600], Jens Axboe wrote:
>
> That'd work on non-RT as well, but it makes it worse on non-RT as well with
> the irq enable/disable dance. While that's not the end of the world, would
> be nice to have a solution that doesn't sacrifice anything, yet doesn't
> make RT unhappy.

There were plans to make local_irq_disable() mostly a nop (similar to
what ppc64 does). But I have no idea what happened. I hope that work
gets picked up.

Sebastian