arm64: pgtable: Warn unexpected pmdp_test_and_clear_young()

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Young bit operation on PMD table entry is only supported if
FEAT_HAFT enabled system wide. Add a warning for notifying
the misbehaviour.

Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20241102104235.62560-6-yangyicong@huawei.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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Yicong Yang 2024-11-02 18:42:35 +08:00 • committed by Catalin Marinas

parent 62df5870eb

commit b349a5a2b6

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arch/arm64/include/asm/pgtable.h

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