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

From: Hiro Yoshioka
Date: Tue Aug 16 2005 - 05:21:27 EST


From: Arjan van de Ven <arjan@xxxxxxxxxxxxx>
> > 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?

Regards,
Hiro
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/