Re: [PATCH] Re: SSE related security hole

[Linus Torvalds]

On Fri, 19 Apr 2002, H. Peter Anvin wrote:
>
> Indeed.  Logically, FNINIT should have been extended to initialize it all -
> - it is a security hole that it doesn't initialize MMX properly.

Well, MMX should arguably be initialized with "emms", so the proper
sequence migth be something like

	if (sse)
		asm("emms");
	asm("fninit");

What does emms do to SSE2?

		Linus