linux-kernel - Re: [PATCH 04/11] x86: cleanup remaining cpumask

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Date:	Tue, 6 Jan 2009 19:58:13 +0530
From:	"Jaswinder Singh Rajput" <jaswinderlinux@...il.com>
To:	"Mike Travis" <travis@....com>
Cc:	"Jaswinder Singh Rajput" <jaswinder@...radead.org>,
	"Ingo Molnar" <mingo@...hat.com>,
	"Rusty Russell" <rusty@...tcorp.com.au>,
	"H. Peter Anvin" <hpa@...or.com>,
	"Thomas Gleixner" <tglx@...utronix.de>,
	"Linus Torvalds" <torvalds@...ux-foundation.org>,
	"Jack Steiner" <steiner@....com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 04/11] x86: cleanup remaining cpumask_t ops in smpboot code

Hi Mike,

On Tue, Jan 6, 2009 at 7:32 PM, Mike Travis <travis@....com> wrote:
>
> I'll look closer but I had assumed that these masks would not be
> used for UP configurations (it did not get any compile errors
> with the allnoconfig).  In fact, any access to these masks for
> UP would be unnecessary since there are no callouts, the boot
> cpu is assumed initialized, and it has no siblings.  So the
> masks are specific to SMP.
>

If it is specific to SMP then:
CONFIG_X86_64 should be CONFIG_X86_64_SMP
CONFIG_X86_32 should be CONFIG_X86_32_SMP

I am in the process of cleaning smp.h and moving out non-smp from
smp.h as per Ingo's suggestion.

I am planning to move cpumask related things to asm/cpumask.h

Is this OK to you.

--
JSR
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