On Tue, 4 Mar 2014, Andrew Morton wrote:
> >
> > ...
> >
> > --- linux.orig/arch/x86/include/asm/uv/uv_hub.h 2014-02-03
> > 14:16:53.987889372 -0600
> > +++ linux/arch/x86/include/asm/uv/uv_hub.h 2014-02-03 14:16:53.987889372
> > -0600
> > @@ -618,7 +618,7 @@
> > };
> >
> > DECLARE_PER_CPU(struct uv_cpu_nmi_s, __uv_cpu_nmi);
> > -#define uv_cpu_nmi (__get_cpu_var(__uv_cpu_nmi))
> > +#define uv_cpu_nmi __this_cpu_read(_uv_cpu_nmi)
>
> arch/x86/platform/uv/uv_nmi.c: In function 'uv_check_nmi':
> arch/x86/platform/uv/uv_nmi.c:218: error: '_uv_cpu_nmi' undeclared (first use
> in this function)
> arch/x86/platform/uv/uv_nmi.c:218: error: (Each undeclared identifier is
> reported only once
> arch/x86/platform/uv/uv_nmi.c:218: error: for each function it appears in.)
>
>
> This?
Nope. I missed an underscore.
> --- a/arch/x86/include/asm/uv/uv_hub.h~uv-replace-__get_cpu_var-fix
> +++ a/arch/x86/include/asm/uv/uv_hub.h
> @@ -618,7 +618,7 @@ struct uv_cpu_nmi_s {
> };
>
> DECLARE_PER_CPU(struct uv_cpu_nmi_s, __uv_cpu_nmi);
> -#define uv_cpu_nmi __this_cpu_read(_uv_cpu_nmi)
> +#define uv_cpu_nmi (*this_cpu_ptr(&__uv_cpu_nmi))
__this_cpu_read(__uv_cpu_nmi)
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