arm64: cpufeature: Detect BBML3 based on ID_AA64MMFR2_EL1.BBM

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Add ID_AA64MMFR2_EL1.BBM based BBML3 feature detection in
cpu_supports_bbml3() so that cpus with the feature would
not have to be added into MIDR based supports_bbml3_list.

Reviewed-by: Gavin Shan <gshan@redhat.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Linu Cherian <linu.cherian@arm.com>
[will: Tidy up cpu_supports_bbml3()]
Signed-off-by: Will Deacon <will@kernel.org>

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Linu Cherian 2026-07-23 10:10:33 +05:30 • committed by Will Deacon

parent 94104e3cfa

commit 879aca5119

1 changed files with 4 additions and 8 deletions

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arch/arm64/kernel/cpufeature.c

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