Re: [PATCH v3 3/6] irqchip: sifive-plic: More flexible plic_irq_toggle()

From: Anup Patel
Date: Thu Dec 27 2018 - 00:28:05 EST


On Wed, Dec 19, 2018 at 9:58 PM Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote:
>
> On Tue, Dec 18, 2018 at 02:20:10PM +0530, Anup Patel wrote:
> > Actually these functions should not be inline because plic_toggle() uses
> > raw_spin_lock() and plic_irq_toggle() uses for-loop.
>
> So? It still inlines the all of two instances into each caller
> for slightly different but related work. Not sure it is 100% worth
> it, but probably more than the one to move the calculations to init
> time..

Not just at init time but these functions will also be used when
irq_affinity is changed by IRQ balancer at runtime.

Regards,
Anup