Re: [RFC PATCH v2 30/35] irqchip/gic-v3: Add support for ACPI's disabled but 'online capable' CPUs

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On Wed, Sep 13, 2023 at 04:38:18PM +0000, James Morse wrote:
>  static inline bool acpi_gicc_is_usable(struct acpi_madt_generic_interrupt *gicc)
>  {
> -	return (gicc->flags & ACPI_MADT_ENABLED);
> +	return ((gicc->flags & ACPI_MADT_ENABLED ||
> +		 gicc->flags & ACPI_MADT_GICC_CPU_CAPABLE));

... and this starts getting silly with the number of parens.

	return gicc->flags & ACPI_MADT_ENABLED ||
	       gicc->flags & ACPI_MADT_GICC_CPU_CAPABLE;

is entirely sufficient. Also:

	return gicc->flags & (ACPI_MADT_ENABLED | ACPI_MADT_GICC_CPU_CAPABLE);

also works.

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