linux-kernel - Re: [PATCH 25/34] x86, pkeys: add arch_validate

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Message-ID: <alpine.DEB.2.11.1512081937470.3595@nanos>
Date:	Tue, 8 Dec 2015 19:39:37 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Dave Hansen <dave@...1.net>
cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org, x86@...nel.org,
	dave.hansen@...ux.intel.com
Subject: Re: [PATCH 25/34] x86, pkeys: add arch_validate_pkey()

On Thu, 3 Dec 2015, Dave Hansen wrote:
> +#define arch_max_pkey() (boot_cpu_has(X86_FEATURE_OSPKE) ?      \
> +				CONFIG_NR_PROTECTION_KEYS : 1)

Should this really be a config option? Can't that value change ?

Thanks,

	tglx
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