Re: [PATCH RFC v2 1/2] irqchip: irq-ti-sci-inta: Allocates VINTs at probe

[Marc Zyngier]

On Mon, 27 Mar 2023 16:04:26 +0100,
Vignesh Raghavendra <vigneshr@xxxxxx> wrote:
> 
> Simplify driver by allocating all VINTs at probe instead of
> allocating on IRQ request. This will allow dedicating few VINTs as
> direct IRQs without aggregation in future.

I think this is going in the wrong direction. Eager allocation is
wasting memory, slowing down boot, and in general a bad idea.

Why can't you just pre-allocate *one* interrupt that serves as a
chained handler for everything, and then use the rest of the interrupt
space for "direct" interrupts?

	M.

-- 
Without deviation from the norm, progress is not possible.