3 commits

Author	SHA1	Message	Date
Joey Gouly	10166c23f4	arm64: pkeys: remove redundant WARN ... 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>	2024-09-10 18:19:59 +01:00
Joey Gouly	4afd00641b	arm64: enable PKEY support for CPUs with S1POE ... 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>	2024-09-04 12:54:05 +01:00
Joey Gouly	7f955be9f8	arm64: implement PKEYS support ... 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>	2024-09-04 12:54:04 +01:00