On Tue, Dec 03, 2013 at 04:36:46PM +0000, Hanjun Guo wrote:
> ACPI requires a cpu.h, add a dummy one copied from arm. This will need
> updated or replaced as ACPI based cpu hotplug for armv8 is worked out.
What exactly requires cpu.h, and why?
Why copy the file verbatim rather than factoring it out?
>
> Signed-off-by: Graeme Gregory <graeme.gregory@xxxxxxxxxx>
> Signed-off-by: Hanjun Guo <hanjun.guo@xxxxxxxxxx>
> ---
> arch/arm64/include/asm/cpu.h | 25 +++++++++++++++++++++++++
> 1 file changed, 25 insertions(+)
> create mode 100644 arch/arm64/include/asm/cpu.h
>
> diff --git a/arch/arm64/include/asm/cpu.h b/arch/arm64/include/asm/cpu.h
> new file mode 100644
> index 0000000..dbeb98d
> --- /dev/null
> +++ b/arch/arm64/include/asm/cpu.h
> @@ -0,0 +1,25 @@
> +/*
> + * Copyright (C) 2004-2005 ARM Ltd.
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + */
> +#ifndef __ASM_ARM_CPU_H
> +#define __ASM_ARM_CPU_H
> +
> +#include <linux/percpu.h>
> +#include <linux/cpu.h>
> +#include <linux/topology.h>
> +
> +struct cpuinfo_arm {
> + struct cpu cpu;
> + u32 cpuid;
We use a u64 elsewhere for the mpidr_el1 in arm64.
Thanks,
Mark.
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