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

[Raghavendra, Vignesh]

On 4/8/2023 4:09 PM, Marc Zyngier wrote:
> 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?
> 


I may need more than one (at least 2 or 3), but I get the point.
Will rework accordingly.

Regards
Vignesh