RE: [RFC] avoid indirect calls for DMA direct mappings v2

From: Luck, Tony
Date: Tue Dec 11 2018 - 12:13:36 EST

> 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 <tony.luck@xxxxxxxxx>