Messages in this thread | | | Date | Thu, 13 Nov 1997 12:55:39 -0800 (PST) | From | Linus Torvalds <> | Subject | Re: 2.1.63 - testing Pentium bug workaround.. |
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On Thu, 13 Nov 1997, David S. Miller wrote: > > I would expect possible bugs in the mul/div insns with lock prefixes, > they can be locked can't they? If so do they have illegal addressing > modes you can form invalid opcodes with?
No, mul/div can't be locked. There aren't all that many instructions that can, and I personally think that the cmpxchg8b thing is the only one that shows _this_ particular problem. There might be other bugs out there, obviously, but I think this one is solved.
Linus
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