Re: [PATCH v4 0/5] x86: Cleanup and simplify cpu-specific data

[Ingo Molnar]

* H. Peter Anvin <hpa@xxxxxxxxx> wrote:

> >In function âcopy_from_userâ,
> >     inlined from âpktgen_if_writeâ at net/core/pktgen.c:877:20:
> >/home/kevin/linux/linux-2.6/arch/x86/include/asm/uaccess_32.h:211:26:
> >error: call to âcopy_from_user_overflowâ declared with attribute
> >error: copy_from_user() buffer size is not provably correct
> >make[2]: *** [net/core/pktgen.o] Error 1
> >
> >On:
> >
> >gcc (GCC) 4.6.2 20120120 (prerelease)
> >
> >Is that my fault, or something else?
> >
> >Kevin
> >
> 
> That comes from compiling with warnings as errors.  Not that someone
> shouldn't look at that kind of problem.

Can probably be worked around by disabling:

CONFIG_DEBUG_STRICT_USER_COPY_CHECKS

Thanks,

	Ingo
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