linux-kernel - Re: [PATCH] Allow a hyphenated range in get

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Message-ID: <p73d588kx59.fsf@verdi.suse.de>
Date:	31 Oct 2006 22:12:18 +0100
From:	Andi Kleen <ak@...e.de>
To:	Derek Fults <dfults@....com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Allow a hyphenated range in get_options, with cleanup

Derek Fults <dfults@....com> writes:

> This allows a hyphenated range of positive numbers in the string passed
> to command line helper function, get_options.    
> Currently the command line option "isolcpus=" takes as its argument a
> list of cpus.  
> Format: <cpu number>,...,<cpu number>
> This can get extremely long when isolating the majority of cpus on a
> large system.  Valid values of <cpu_number>  include all cpus, 0 to
> "number of CPUs in system - 1".

It would be better if you defined a separate function for this
instead of defining such a weird calling convention.

The common code with get_options could be factored out into a helper.

-Andi
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