linux-kernel - Re: [PATCH 4/9] x86/intel_rdt: Add support for Cache Allocation detection

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Message-ID: <20150728162526.GR25159@twins.programming.kicks-ass.net>
Date:	Tue, 28 Jul 2015 18:25:26 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Vikas Shivappa <vikas.shivappa@...ux.intel.com>
Cc:	linux-kernel@...r.kernel.org, vikas.shivappa@...el.com,
	x86@...nel.org, hpa@...or.com, tglx@...utronix.de,
	mingo@...nel.org, tj@...nel.org, matt.fleming@...el.com,
	will.auld@...el.com, glenn.p.williamson@...el.com,
	kanaka.d.juvva@...el.com
Subject: Re: [PATCH 4/9] x86/intel_rdt: Add support for Cache Allocation
 detection

On Wed, Jul 01, 2015 at 03:21:05PM -0700, Vikas Shivappa wrote:
> +static int __init intel_rdt_late_init(void)
> +{
> +	struct cpuinfo_x86 *c = &boot_cpu_data;
> +
> +	if (!cpu_has(c, X86_FEATURE_CAT_L3))
> +		return -ENODEV;
> +
> +	pr_info("Intel cache allocation enabled\n");

s/enabled/detected/ ? This hardly enables anything.

> +
> +	return 0;
> +}
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