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Re: [Qemu-devel] [v2, 1/3] powerpc: scan_features() updates incorrect bi
From: |
Michael Ellerman |
Subject: |
Re: [Qemu-devel] [v2, 1/3] powerpc: scan_features() updates incorrect bits for REAL_LE |
Date: |
Tue, 19 Apr 2016 20:09:39 +1000 (AEST) |
On Mon, 2016-18-04 at 10:36:07 UTC, Michael Ellerman wrote:
> From: Anton Blanchard <address@hidden>
>
> 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 <address@hidden>
> Cc: address@hidden
> [mpe: Flesh out changelog, add comment reserving 0x4]
> Signed-off-by: Michael Ellerman <address@hidden>
Applied to powerpc fixes.
https://git.kernel.org/powerpc/c/6997e57d693b07289694239e52
cheers
- [Qemu-devel] [PATCH] powerpc: Clear user CPU feature bits if TM is disabled at runtime, (continued)
- [Qemu-devel] [PATCH] powerpc: Clear user CPU feature bits if TM is disabled at runtime, Anton Blanchard, 2016/04/04
- [Qemu-devel] [PATCH 1/3] powerpc: scan_features() updates incorrect bits, Anton Blanchard, 2016/04/14
- Re: [Qemu-devel] [1/3] powerpc: scan_features() updates incorrect bits, Michael Ellerman, 2016/04/18
- [Qemu-devel] [PATCH v2 1/3] powerpc: scan_features() updates incorrect bits for REAL_LE, Michael Ellerman, 2016/04/18
- Re: [Qemu-devel] [v2, 1/3] powerpc: scan_features() updates incorrect bits for REAL_LE,
Michael Ellerman <=
[Qemu-devel] [PATCH 2/3] powerpc: Update cpu_user_features2 in scan_features(), Anton Blanchard, 2016/04/14
[Qemu-devel] [PATCH 3/3] powerpc: Update TM user feature bits in scan_features(), Anton Blanchard, 2016/04/14