Re: [PATCH 3.19 3/3] x86, mpx: Change the MPX enable/disable API to arch_prctl

[Andi Kleen]

> Given that it doesn't seen to have been committed yet, I'm not too
> worried about compatibility.  And "prctl (43)" doesn't actually seem a
> whole lot better than "syscall(SYS_arch_prctl, ARCH_ENABLE_MPX, 0)"

This would actually fail with the EINVAL change you requested.

> (preprocessor macros ftw!).  But I don't feel that strongly about this
> point.

-Andi
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