Messages in this thread | | | Subject | Re: [RFC] [PATCH] cache pollution aware __copy_from_user_ll() | From | Arjan van de Ven <> | Date | Tue, 16 Aug 2005 12:25:50 +0200 |
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On Tue, 2005-08-16 at 19:16 +0900, Hiro Yoshioka wrote: > From: Arjan van de Ven <arjan@infradead.org> > > > 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?
not on kernel entry afaik. However just save the register on the stack and put it back at the end...
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