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FEAT_PAN3 is present if FEAT_S1POE is, this WARN() was to represent that.
However execute_only_pkey() is always called by mmap(), even on a CPU without
POE support.
Rather than making the WARN() conditional, just delete it.
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Link: https://lore.kernel.org/linux-arm-kernel/CA+G9fYvarKEPN3u1Ogw2pcw4h6r3OMzg+5qJpYkAXRunAEF_0Q@mail.gmail.com/
Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20240910105004.706981-1-joey.gouly@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
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Now that PKEYs support has been implemented, enable it for CPUs that
support S1POE.
Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Link: https://lore.kernel.org/r/20240822151113.1479789-23-joey.gouly@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
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Implement the PKEYS interface, using the Permission Overlay Extension.
Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20240822151113.1479789-19-joey.gouly@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
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