Re: [PATCH v9 03/26] arm64: cpufeature: Set SYSREG_GIC_CPUIF as a boot system feature

[Marc Zyngier]

On Mon, 21 Jan 2019 15:33:22 +0000,
Julien Thierry <julien.thierry@xxxxxxx> 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>
> Reviewed-by: Suzuki K Poulose <suzuki.poulose@xxxxxxx>
> Reviewed-by: Mark Rutland <mark.rutland@xxxxxxx>
> Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
> 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: Marc Zyngier <marc.zyngier@xxxxxxx>

	M.

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