arm64: cpufeature: add Permission Indirection Extension cpucap

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This indicates if the system supports PIE. This is a CPUCAP_BOOT_CPU_FEATURE
as the boot CPU will enable PIE if it has it, so secondary CPUs must also
have this feature.

Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Cc: Will Deacon <will@kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230606145859.697944-8-joey.gouly@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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Joey Gouly 2023-06-06 15:58:46 +01:00 • committed by Catalin Marinas

parent 2b760046a2

commit e43454c442

2 changed files with 8 additions and 0 deletions

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7

arch/arm64/kernel/cpufeature.c

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1

arch/arm64/tools/cpucaps

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