Re: [PATCH v2 2/2] x86_64: enable SWIOTLB if system has SRAT memory regions above MAX_DMA32_PFN

[Ingo Molnar]

* Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote:

> On 04/12/2015 13:33, Igor Mammedov wrote:
> > That doesn't pass strict type check:
> > 
> > include/linux/kernel.h:730:17: warning: comparison of distinct pointer types lacks a cast [enabled by default]
> >   (void) (&_max1 == &_max2);  \
> >                  ^
> > arch/x86/mm/srat.c:206:21: note: in expansion of macro âmaxâ
> >   max_possible_pfn = max(max_possible_pfn, PFN_UP(end - 1));
> > 
> > I can change max_possible_pfn to u64 to match PFN_UP(end - 1) type.
> 
> Sounds like a good idea anyway.

Yeah, agreed.

Thanks,

	Ingo
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