Re: [PATCH 13/19] x86, mpx: Add temporary variable to reduce masking

Thomas Gleixner
2015-05-18T21:07:19Z

On Fri, 8 May 2015, Dave Hansen wrote:
> When we allocate a bounds table, we call mmap(), then add a
> "valid" bit to the value before storing it in to the bounds
> directory.
>
> If we fail along the way, we go and mask that valid bit
> _back_ out. That seems a little silly, and this makes it
> much more clear when we have a plain address versus an
> actual table _entry_.
>
> Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>

Reviewed-by: Thomas Gleixner <tglx@linutronix.de>