[PATCH 1/3] arm64: spin-table: handle unmapped cpu-release-addrs

[Arnd Bergmann]

On Tuesday 29 July 2014 11:15:45 Mark Salter wrote:
> > -
> > -     __flush_dcache_area(release_addr, sizeof(release_addr[0]));
> > +     writeq_relaxed(__pa(secondary_holding_pen), release_addr);
> > +     __flush_dcache_area(release_addr, sizeof(*release_addr));
> 
>        __flush_dcache_area((__force void *)release_addr, ... 
> 
> to avoid sparse warning.
> 

I think it would be cleaner to drop the __iomem annotation and use vmap()
rather than ioremap(). That requires having a 'struct page' though, which
I'm not sure you have.

	Arnd