| Date | Mon, 28 Jan 2019 09:22:53 +0000 | From | Marc Zyngier <> | Subject | Re: [PATCH v9 03/26] arm64: cpufeature: Set SYSREG_GIC_CPUIF as a boot system feature |
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On Mon, 21 Jan 2019 15:33:22 +0000, Julien Thierry <julien.thierry@arm.com> wrote: > > It is not supported to have some CPUs using GICv3 sysreg CPU interface > while some others do not. > > Once ICC_SRE_EL1.SRE is set on a CPU, the bit cannot be cleared. Since > matching this feature require setting ICC_SRE_EL1.SRE, it cannot be > turned off if found on a CPU. > > Set the feature as STRICT_BOOT, if boot CPU has it, all other CPUs are > required to have it. > > Signed-off-by: Julien Thierry <julien.thierry@arm.com> > Suggested-by: Daniel Thompson <daniel.thompson@linaro.org> > Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com> > Reviewed-by: Mark Rutland <mark.rutland@arm.com> > Acked-by: Catalin Marinas <catalin.marinas@arm.com> > Cc: Catalin Marinas <catalin.marinas@arm.com> > Cc: Will Deacon <will.deacon@arm.com> > Cc: Suzuki K Poulose <suzuki.poulose@arm.com> > Cc: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
M.
-- Jazz is not dead, it just smell funny.
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