[PATCH v2 2/6] genirq: Allow an interrupt to be marked as 'raw'
Marc Zyngier
maz at kernel.org
Tue Nov 24 11:56:19 EST 2020
On 2020-11-24 16:26, Peter Zijlstra wrote:
> On Tue, Nov 24, 2020 at 02:14:45PM +0000, Marc Zyngier wrote:
>> Some interrupts (such as the rescheduling IPI) rely on not going
>> through
>> the irq_enter()/irq_exit() calls. To distinguish such interrupts, add
>> a new IRQ flag that allows the low-level handling code to sidestep the
>> enter()/exit() calls.
>
> Well, not quite. The scheduler_ipi() function is perfectly fine being
> called with irq_enter/irq_exit. As per this very series, that's your
> current reality.
>
> The function just doesn't need it.
Yup, definitely a very bad choice of words here.
/me goes and repaint the commit message.
Thanks,
M.
--
Jazz is not dead. It just smells funny...
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