linux-kernel - Re: [PATCH 3/7] x86: make 32bit support per

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Date:	Fri, 15 Aug 2008 01:29:54 -0700
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	"Ingo Molnar" <mingo@...e.hu>
Cc:	"Thomas Gleixner" <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/7] x86: make 32bit support per_cpu vector fix #1

On Fri, Aug 15, 2008 at 1:21 AM, Ingo Molnar <mingo@...e.hu> wrote:
>
> * Yinghai Lu <yhlu.kernel@...il.com> wrote:
>
>> +#ifdef CONFIG_SMP
>> +        return cpu_online_map;
>> +#else
>> +        return cpumask_of_cpu(0);
>> +#endif
>
> unrelated sidenote - shouldnt the scheduler define cpu_online_map to
> cpumask_of_cpu(0) on UP, to avoid such ugly #ifdefs?

copy that from mach_default...

should double check if cpu_online_map is cpu_mask_of_cpu(0) if !CONFIG_SMP

YH
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