linux-kernel - Re: [PATCH] x86: Intel Cache Allocation Technology support

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Message-ID: <alpine.DEB.2.11.1411232028250.6439@nanos>
Date:	Sun, 23 Nov 2014 20:29:08 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Matt Fleming <matt@...sole-pimps.org>
cc:	Vikas Shivappa <vikas.shivappa@...ux.intel.com>,
	linux-kernel@...r.kernel.org, vikas.shivappa@...el.com,
	hpa@...or.com, mingo@...nel.org, tj@...nel.org,
	matt.fleming@...el.com, will.auld@...el.com, peterz@...radead.org
Subject: Re: [PATCH] x86: Intel Cache Allocation Technology support

On Sun, 23 Nov 2014, Matt Fleming wrote:
> Something like this?
> 
> 	first_bit = find_next_bit(map, nr_bits, -1);
> 	zero_bit = find_next_zero_bit(map, nr_bits, first_bit);
> 
> 	if (find_next_bit(map, nr_bits, zero_bit) < nr_bits)
> 		return -EINVAL;	/* non-contiguous bits */

Looks pretty self explaining, right?

Thanks,

	tglx
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