RFR (S) 8055069: TSX and RTM should be deprecated more strongly until hardware is corrected
filipp.zhinkin at oracle.com
Fri Aug 22 07:52:29 UTC 2014
the change looks good.
On 08/22/2014 02:09 AM, Vladimir Kozlov wrote:
> "Errata HSW136. Software Using Intel® TSX May Result in Unpredictable
> System Behavior."
> Require to specify UnlockExperimentalVMOptions flag together with
> UseRTMLocking flag on un-patched systems where CPUID allows it but is
> unsupported otherwise. This would be for experiments and research and
> not for production applications as the name suggests.
> Give a warning on un-patched system when RTM is used.
> I have to adjust several jtreg RTM tests.
> Note, by default UseRTMLocking is off.
> I ran compiler jtreg tests on un-patched system and on machine without
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