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Date: Sun, 9 Jan 2011 13:48:03 -0500 From: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca> To: Jason Baron <jbaron@...hat.com> Cc: peterz@...radead.org, hpa@...or.com, rostedt@...dmis.org, mingo@...e.hu, tglx@...utronix.de, andi@...stfloor.org, roland@...hat.com, rth@...hat.com, masami.hiramatsu.pt@...achi.com, fweisbec@...il.com, avi@...hat.com, davem@...emloft.net, sam@...nborg.org, ddaney@...iumnetworks.com, michael@...erman.id.au, linux-kernel@...r.kernel.org Subject: Re: [PATCH 2/2] jump label: introduce static_branch() * Jason Baron (jbaron@...hat.com) wrote: > Introduce: > > static __always_inline bool static_branch(struct jump_label_key *key) > > to replace the old JUMP_LABEL(key, label) macro. > > The new static_branch(), simplifies the usage of jump labels. Since, > static_branch() returns a boolean, it can be used as part of an if() > construct. It also, allows us to drop the 'label' argument from the > prototype. Its probably best understood with an example, here is the part > of the patch that converts the tracepoints to use unlikely_switch(): small nit: s/unlikely_switch/arch_static_branch/g Thanks, Mathieu -- Mathieu Desnoyers Operating System Efficiency R&D Consultant EfficiOS Inc. http://www.efficios.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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