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SubjectRe: [RFC] avoid indirect calls for DMA direct mappings v2
On Tue, Dec 11, 2018 at 05:13:30PM +0000, Luck, Tony wrote:
> > But that might not be your fault. My ancient system is getting flaky. A v4.19 build that
> > has booted before is also resetting :-(
> After a power-cycle (and some time to let the machine cool off). System now boots
> with your patch series plus the __phys_to_pfn() #define
> So if you can figure the right way to fix that, you are good to go.
> Tested-by: Tony Luck <>

Thanks. I'll just replace the __phys_to_pfn with PHYS_PFN for now,
and see if I can find time to get the whole kernel to agree to
one version of this macro eventually..

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