Re: Do the x86 kernel entry points need an xabort on TSX cpus?

[H. Peter Anvin]

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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