linux-kernel - Re: [PATCH] jump_label: jump

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Message-ID: <1322761515.4699.49.camel@twins>
Date:	Thu, 01 Dec 2011 18:45:15 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Jason Baron <jbaron@...hat.com>
Cc:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>,
	rostedt@...dmis.org
Subject: Re: [PATCH] jump_label: jump_label for boot options.

On Thu, 2011-12-01 at 18:39 +0100, Peter Zijlstra wrote:
> +#define SCHED_FEAT(name, enabled)                                      \
> +static __always_inline bool static_branch_##name(struct jump_label_key *key) \
> +{                                                                      \
> +       return static_branch_##enabled(key);                            \
> +}
> +
> +#include "features.h"
> +
> +#undef SCHED_FEAT
> +
> +#if defined(CONFIG_SCHED_DEBUG) && defined(HAVE_JUMP_LABEL)
> +static struct jump_label_key sched_feat_keys[__SCHED_FEAT_NR];
> +#define sched_feat(x) (static_branch(&sched_feat_keys[__SCHED_FEAT_##x])) 

#define sched_feat(x) static_branch_##x(&sched_feat_keys[__SCHED_FEAT_##x])

of course ;-)
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