[v2, 1/3] powerpc: scan_features() updates incorrect bits for REAL_LE

[Michael Ellerman]

On Mon, 2016-18-04 at 10:36:07 UTC, Michael Ellerman wrote:
> From: Anton Blanchard <anton at samba.org>
> 
> The REAL_LE feature entry in the ibm_pa_feature struct is missing an MMU
> feature value, meaning all the remaining elements initialise the wrong
> values.
...
> 
> Fix the code by adding the missing initialisation of the MMU feature.
> 
> Also add a comment marking CPU user feature bit 2 (0x4) as reserved. It
> would be unsafe to start using it as old kernels incorrectly set it.
> 
> Fixes: 44ae3ab3358e ("powerpc: Free up some CPU feature bits by moving out MMU-related features")
> Signed-off-by: Anton Blanchard <anton at samba.org>
> Cc: stable at vger.kernel.org
> [mpe: Flesh out changelog, add comment reserving 0x4]
> Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>

Applied to powerpc fixes.

https://git.kernel.org/powerpc/c/6997e57d693b07289694239e52

cheers