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

From: Hiro Yoshioka
Date: Tue Aug 16 2005 - 18:27:11 EST


Chuck,

From: Chuck Ebbert <76306.1226@xxxxxxxxxxxxxx>
> On Tue, 16 Aug 2005 at 19:16:17 +0900 (JST), Hiro Yoshioka wrote:
> > oh, really? Does the linux kernel take care of
> > SSE save/restore on a task switch?
>
> Check out XMMS_SAVE and XMMS_RESTORE in include/asm-i386/xor.h

Thanks for your suggestion. But it seems to me it won't help
when we have a page fault or other exeptions.

Regards,
Hiro
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