Hi,
On 11/03/2019 23:13, David Miller wrote:
[...]
>
> We must re-evaluate the %tstate value stored in ptregs, you cannot
> make this change.
>
That's the one I was the less sure about, thanks for clearing it up and
sorry for the noise.
From: Valentin Schneider
Date: Mon, 11 Mar 2019 22:47:50 +
> Since the enabling and disabling of IRQs within preempt_schedule_irq()
> is contained in a need_resched() loop, we don't need the outer arch
> code loop.
>
> We seem to be looping back somewhere much higher than the usual
>
Since the enabling and disabling of IRQs within preempt_schedule_irq()
is contained in a need_resched() loop, we don't need the outer arch
code loop.
We seem to be looping back somewhere much higher than the usual
preempt/need_resched checks, but AFAICT we would just branch to
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