Re: [PATCH v3 2/2] x86/IRQ: allocate guest array of max size only for shareable IRQs

[Jan Beulich <jbeulich@xxxxxxxx>]

On 06.12.2020 18:43, Igor Druzhinin wrote:
> ... and increase default "irq-max-guests" to 32.
> 
> It's not necessary to have an array of a size more than 1 for non-shareable
> IRQs and it might impact scalability in case of high "irq-max-guests"
> values being used - every IRQ in the system including MSIs would be
> supplied with an array of that size.
> 
> Since it's now less impactful to use higher "irq-max-guests" value - bump
> the default to 32. That should give more headroom for future systems.
> 
> Signed-off-by: Igor Druzhinin <igor.druzhinin@xxxxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>