RE: [PATCH] efi: Fix warning of int-to-pointer-cast on x86 32-bit builds

[Izumi, Taku]

Dear Ard,

> > commit-0f96a99 introduces the following warning message:
> >
> >  drivers/firmware/efi/fake_mem.c:186:20: warning: cast to pointer
> >  from integer of different size [-Wint-to-pointer-cast]
> >
> > new_memmap_phy was defined as a u64 value and casted to void*.
> > This causes a warning of int-to-pointer-cast on x86 32-bit
> > environment.
> >
> > This patch changes the type of "new_memmap_phy" variable
> > from "u64" into "phys_addr_t" to avoid it.
> 
> This assumes sizeof(void*) == sizeof(phys_addr_t), which is not always true, e.g., on 32-bit ARM (whose UEFI support is
> in development but not yet merged) with LPAE enabled.
> 
> Could we use unsigned long instead?

  Okay. I'll update my patch.

Sincerely,
Taku Izumi
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