linux-kernel - Re: [PATCH] Remove unused variable "cpu" from arch/x86/xen/setup.c

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Date:	Mon, 12 May 2008 08:15:22 +0530
From:	Rabin Vincent <rabin@....in>
To:	Manish Katiyar <mkatiyar@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Remove unused variable "cpu" from arch/x86/xen/setup.c

On Sun, May 11, 2008 at 10:57:12PM +0530, Manish Katiyar wrote:
>  void xen_enable_sysenter(void)
>  {
> -       int cpu = smp_processor_id();
 
This variable is used when building for SMP:

>	if (!boot_cpu_has(X86_FEATURE_SEP) ||
>	    HYPERVISOR_callback_op(CALLBACKOP_register, &sysenter) != 0) {
>		clear_cpu_cap(&cpu_data(cpu), X86_FEATURE_SEP);  <-----
>		clear_cpu_cap(&boot_cpu_data, X86_FEATURE_SEP);

Rabin
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