On Thu, Dec 13, 2012 at 10:23:10AM -0800, Joe Perches wrote:
> m->ip is a u64 so, when compiling x86-32, there's a new warning
> "cast to pointer from integer of different size". This isn't new
> different behavior, just a new warning. The previous print_symbol
> took a ulong and the u64 was silently truncated.
>
> CC arch/x86/kernel/cpu/mcheck/mce.o
> arch/x86/kernel/cpu/mcheck/mce.c: In function ‘print_mce’:
> arch/x86/kernel/cpu/mcheck/mce.c:246:4: warning: cast to pointer from integer
> of different size [-Wint-to-pointer-cast]
>
> If appropriate, the code could be changed to
>
> (void *)(unsigned long)m->ip
Can we explicitly cast it to what it is so that we can be explicit as to
what we're casting it? IOW:
(void *)(__u64)m->ip;
Does that even work on 32bit?
Also, does the compiler bitch about this useless cast when building with
W=123?
Thanks.
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
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