[PATCH 0/5] Add BBML3 cpu feature

Suzuki K Poulose suzuki.poulose at arm.com
Wed Jul 1 03:11:35 PDT 2026


On 01/07/2026 10:41, Linu Cherian wrote:
> Patches 1 and 2 introduces BBML3 cpu feature
> Patches 3, 4 and 5 adds more cpus to the BBML3 support list,
> 	which dont advertise themselves through the standard
> 	MMFR2_ID registers.
> 
> Linu Cherian (5):
>    arm64: cpufeature: Add BBML3
>    arm64: cpufeature: Detect BBML3 based on MMFR2 ID


>    arm64: cputype: Add Cortex-A520AE definitions
>    arm64: cputype: Add C1-Nano definitions
>    arm64: cpufeature: Extend bbml3 support list

If you could move the last 3 patches to the top, would be easier
for people to back port the "enable" BBLM3 for those CPUs, without
the renaming conflicts.

Suzuki


> 
>   arch/arm64/include/asm/cpufeature.h |  6 ++--
>   arch/arm64/include/asm/cputype.h    |  4 +++
>   arch/arm64/kernel/cpufeature.c      | 51 +++++++++++++---------------
>   arch/arm64/mm/contpte.c             | 21 +++++-------
>   arch/arm64/mm/mmu.c                 | 52 ++++++++++++++---------------
>   arch/arm64/mm/proc.S                |  4 +--
>   arch/arm64/tools/cpucaps            |  2 +-
>   arch/arm64/tools/sysreg             |  1 +
>   8 files changed, 69 insertions(+), 72 deletions(-)
> 




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