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

Hirokazu Takahashi
2005-08-16T10:24:26Z

Hi

> > > My code does nothing do it.
> > >
> > > I need a volunteer to implement it.
> >
> > it's actually not too hard; all you need is to use SSE and not MMX; and
> > then just store sse register you're overwriting on the stack or so...
>
> oh, really? Does the linux kernel take care of
> SSE save/restore on a task switch?

noop!