[PATCH] ARM: mach-orion5x: fix legacy get_irqnr_and_base
Andrew Lunn
andrew at lunn.ch
Wed Nov 25 07:43:13 PST 2015
> BTW, mv78xx0 is still broken wrt this IRQ #0 usage. Is it possible that
> no one uses it? It is a weird not-completely-SMP architecture that
> lacks cache coherency support between CPU cores. To fully use both
> cores, we'd need to have two independent Linux instances with memory
> partitioning and this was never implemented. I'm unaware of any product
> using Linux on that SOC either. My own mv78xx0 dev board took the way
> of the recycling facility a while ago given the lack of interest.
>
> Should we "fix" it by removing it outright?
I think it was at the Edinburgh kernel summit/ELCE i met somebody
still using it. If i remember correctly, Linux on one core, and
something else on the other. That was two years ago. I've not heard
anything since.
Andrew
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