On 03/04/2014 03:02 PM, Andrew Morton wrote:
> On Fri, 14 Feb 2014 14:19:12 -0600 Christoph Lameter <c...@linux.com> wrote:
>
>> Use __this_cpu_read instead.
>>
>>
>> --- 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?
>
More likely just add the missing second underscore.
-hpa
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