Re: [PATCH 07/19] x86, mpx: boot-time disable

From: Thomas Gleixner
Date: Mon May 18 2015 - 16:45:52 EST


On Fri, 8 May 2015, Dave Hansen wrote:
> MPX has the _potential_ to cause some issues. Say part of your init
> system tried to protect one of its components from buffer overflows
> with MPX. If there were a false positive, it's possible that MPX
> could keep a system from booting.
>
> MPX could also potentially cause performance issues since it is
> present in hot paths like the unmap path.
>
> Allow it to be disabled at boot time.
>
> Signed-off-by: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>

Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
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