linux-kernel - Re: [PATCH 31/48] uv: Replace __get_cpu

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Date:	Wed, 5 Mar 2014 09:35:13 -0600 (CST)
From:	Christoph Lameter <cl@...ux.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
cc:	Tejun Heo <tj@...nel.org>, akpm@...uxfoundation.org,
	rostedt@...dmis.org, linux-kernel@...r.kernel.org,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Hedi Berriche <hedi@....com>, Mike Travis <travis@....com>,
	Dimitri Sivanich <sivanich@....com>
Subject: Re: [PATCH 31/48] uv: Replace __get_cpu_var

On Tue, 4 Mar 2014, Andrew Morton wrote:

> On Tue, 4 Mar 2014 21:31:12 -0600 (CST) Christoph Lameter <cl@...ux.com> wrote:
>
> --- 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_read(__uv_cpu_nmi)
>  #define uv_hub_nmi			(uv_cpu_nmi.hub)
>  #define uv_cpu_nmi_per(cpu)		(per_cpu(__uv_cpu_nmi, cpu))
>  #define uv_hub_nmi_per(cpu)		(uv_cpu_nmi_per(cpu).hub)
>
> arch/x86/platform/uv/uv_nmi.c: In function 'uv_check_nmi':
> arch/x86/platform/uv/uv_nmi.c:218: error: lvalue required as increment operand

Uhh.. Lets drop this patch for now. This would mean more work is required.
Will submit a more extensive patch.


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