Re: [PATCH 02/20] ARM64 : Add dummy asm/cpu.h

[Hanjun Guo]

On 2014å01æ24æ 00:15, Catalin Marinas wrote:
> On Fri, Jan 17, 2014 at 12:24:56PM +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 or cpu topology for armv8
> > is worked 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..8625eb1
> > --- /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;
> > +	u64		cpuid;
> > +#ifdef CONFIG_SMP
> > +	unsigned int	loops_per_jiffy;
> > +#endif
> > +};
> > +
> > +DECLARE_PER_CPU(struct cpuinfo_arm, cpu_data);
> > +
> > +#endif
> Could you not leave this file empty until you add the code that actually
> makes use of cpu_data?

Of course, I will update in next version :)

Thanks
Hanjun

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