Re: [PATCH v6 02/24] arm64: cpufeature: Set SYSREG_GIC_CPUIF as a boot system feature

[Catalin Marinas]

On Mon, Nov 12, 2018 at 11:56:53AM +0000, Julien Thierry 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@xxxxxxx>
> Suggested-by: Daniel Thompson <daniel.thompson@xxxxxxxxxx>
> Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
> Cc: Will Deacon <will.deacon@xxxxxxx>
> Cc: Suzuki K Poulose <suzuki.poulose@xxxxxxx>
> Cc: Marc Zyngier <marc.zyngier@xxxxxxx>

Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
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