Re: [RFC] [PATCH] cache pollution aware __copy_from_user_ll()

Hirokazu Takahashi
2005-08-24T16:23:59Z

Hi,

> The following patch does not use MMX regsiters so that we don't have
> to worry about save/restore the FPU/MMX states.
>
> What do you think?

I think __copy_user_zeroing_intel_nocache() should be followed by sfence
or mfence instruction to flush the data.