Messages in this thread | | | Date | Tue, 21 Feb 2012 11:30:08 -0800 | From | "H. Peter Anvin" <> | Subject | Re: Do the x86 kernel entry points need an xabort on TSX cpus? |
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On 02/10/2012 09:24 AM, Andy Lutomirski wrote: > > Is that architecturally guaranteed? (My manual suggests that it's > specifically *not* guaranteed, which is surprising.) >
I asked internally for a statement, and got the following:
"Intel does not expect operating systems to require XABORT at the entry points. Intel takes system security extremely seriously and that any functionality added is scrutinized for security implications."
-hpa
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