Re: sendmmsg: put_user vs __put_user

[Ulrich Drepper]

On Fri, Mar 30, 2012 at 20:51, David Miller <davem@xxxxxxxxxxxxx> wrote:
> Compat processes are not able to generate virtual addresses anywhere
> near the range where the kernel resides, so the address range
> verification done by put_user() is completely superfluous and
> therefore not necessary. ÂThe normal exception handling done by the
> access is completely sufficient.

I was more thinking about the effects of might_fault() then additional tests.
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