Re: [PATCH] x86, efi: Fix a build warning

[Matt Fleming]

On 25/04/13 07:55, Ingo Molnar wrote:
> It's a basic cleanliness and robustness issue: we generally avoid type 
> casts in the kernel, because type casts override compile-time type checks 
> and are easy to get wrong. They are also ugly.
> 
> So in generaly we try to use the right type for the data structure, which 
> matches its usage (and standardize functions/methods around that type) - 
> then no cast is needed.

Yeah, I'm not advocating using casts, I was just saying "Oh, x86-64
avoids requiring the caller of efi_call_phys* to perform the cast by
doing it in the definition of efi_call*. That's why this is only
affecting 32-bit."

Cleaning this up would be nice. I think at this point, I'll apply
Borislav's patch, and fix all this casting after v3.9 is released, since
instead of just changing query_variable_info, we might as well change
everything in efi_runtime_service_t so that it's consistent.
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