linux-kernel - Re: [PATCH 0/3] x86: add cpus

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Message-ID: <36ca99e90804091051k7c2cc97neba0ca1967625433@mail.gmail.com>
Date:	Wed, 9 Apr 2008 19:51:23 +0200
From:	"Bert Wesarg" <bert.wesarg@...glemail.com>
To:	"Mike Travis" <travis@....com>
Cc:	"Ingo Molnar" <mingo@...e.hu>, "Paul Jackson" <pj@....com>,
	"Thomas Gleixner" <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Greg Kroah-Hartman" <gregkh@...e.de>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] x86: add cpus_scnprintf function v3

On Tue, Apr 8, 2008 at 8:43 PM, Mike Travis <travis@....com> wrote:
>   * Cleanup usages of cpumask_scprintf in the following files and add
>     another interface to use cpulist_scnprintf where appropriate.

On Mon, Apr 7, 2008 at 8:22 PM, Mike Travis <travis@....com> wrote:
>  Part of the change is readability, but also looking towards the future
>  of 16k/64k/??? # of cpus, the straight mask approach will overflow the
>  PAGE_SIZE buffer provided (though some pathological cases will overflow
>  the range method as well.)  So we'll need some advancement in the format
>  of the printout.

Btw, I think you can now push for a deprecation of the 'old' mask
attributes, with the justification you have given above. The other
possibility is to change sysfs to provide bigger attribute buffers
(CCed Greg for this).

Bert
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