Re: [PATCH] sparse_irq aka dyn_irq v13

[Mike Travis]

David Miller wrote:

> Practicality is what really matters.
> 
> We can even make the constant number a config option, so that if
> someone has a system that actually triggers past this limit even dist
> vendors can simply bump the config option value.

Unfortunately the reality is that distros spend months certifying the base
kernel for both application and security conformance.  And many (most?) of
the large system customers will only run this kernel.  Even changing root
startup options is considered invalidating the conformance testing.  That
means the kernel has to adapt to the resource needs of the system being
serviced.

Ideally, linux shouldn't have any fixed resources.  A system built to run
on a massively parallel system should also boot and run on a smart phone
(not well perhaps... ;-)
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