linux-kernel - Re: [PATCH 3/8] cpumask: convert kernel time functions

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Message-Id: <200812202159.52690.rusty@rustcorp.com.au>
Date:	Sat, 20 Dec 2008 21:59:52 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Mike Travis <travis@....com>
Cc:	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 3/8] cpumask: convert kernel time functions

On Saturday 20 December 2008 02:31:47 Mike Travis wrote:
> Impact: Reduce stack usage, use new cpumask API.
> 
> Convert kernel/time functions to use struct cpumask *.
> 
> Note the ugly bitmap declarations in tick-broadcast.c.  These should
> be cpumask_var_t, but there was no obvious initialization function to
> put the alloc_cpumask_var() calls in.  This was safe.

I still would like see those bitmaps turned into real cpumask_var_t.  It
should be easy for someone who knows the code well, or has time to spend
making sure the initialization is early enough.

Cheers,
Rusty.
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