Re: linux-next: build warning after merge of the rcu tree

[Paul E. McKenney]

On Wed, Jun 15, 2022 at 03:38:02PM +1000, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the rcu tree, today's linux-next build (htmldocs) produced
> this warning:
> 
> Documentation/RCU/Design/Requirements/Requirements.rst:2220: WARNING: Malformed table.
> 
> +-----------------------------------------------------------------------+
> | **Quick Quiz**:                                                       |
> +-----------------------------------------------------------------------+
> | But what if my driver has a hardware interrupt handler that can run   |
> | for many seconds? I cannot invoke schedule() from an hardware         |
> | interrupt handler, after all!                                         |
> +-----------------------------------------------------------------------+
> | **Answer**:                                                           |
> +-----------------------------------------------------------------------+
> | One approach is to do ``ct_irq_exit();ct_irq_enter();`` every so    |
> | often. But given that long-running interrupt handlers can cause other |
> | problems, not least for response time, shouldn't you work to keep     |
> | your interrupt handler's runtime within reasonable bounds?            |
> +-----------------------------------------------------------------------+
> 
> Introduced by commit
> 
>   6c5218715286 ("context_tracking: Take IRQ eqs entrypoints over RCU")

Apologies and thank you, will fix.

							Thanx, Paul