Re: [PATCH v8 08/10] x86, mpx: add prctl commands PR_MPX_REGISTER, PR_MPX_UNREGISTER

[Dave Hansen]

On 09/18/2014 12:17 AM, Kevin Easton wrote:
> I was assuming that if an application did want to enable MPX after threads
> had already been created, it would generally want to enable it
> simultaneously across all threads.  This would be a lot easier for the
> kernel than for the application.

The current gcc setup mechanism would set up MPX even before main().  So
I think it's pretty unlikely that help is needed to coordinate threads.
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