Re: [PATCH v2 1/1] sched: watchdog: Touch kernel watchdog with sched count

[Peter Zijlstra]

On Wed, Oct 21, 2020 at 12:24:20PM +0200, Peter Zijlstra wrote:
> +void resched_current_from_IRQ(void)
> +{
> +	struct pt_regs *regs = get_irq_regs();
> +
> +	WARN_ON_ONCE(!in_irq());
> +	WARN_ON_ONCE(user_mode(regs) || IS_ENABLED(CONFIG_PREEMPTION));

! that, obviously :/

> +
> +	set_tsk_need_resched(tsk);
> +	set_preempt_need_resched();
> +}