genirq: Add an extra comment about the use of affinity in irq_common_data
authorQais Yousef <qais.yousef@imgtec.com>
Tue, 8 Dec 2015 13:20:17 +0000 (13:20 +0000)
committerThomas Gleixner <tglx@linutronix.de>
Thu, 25 Feb 2016 09:56:55 +0000 (10:56 +0100)
commit955bfe5912e7839abcc83694f06867535487404b
tree50814a31e1ac2d9370249ab786aa11043b796851
parent379b656446a36c7a80b27cbdc34eec8e57b5f290
genirq: Add an extra comment about the use of affinity in irq_common_data

Affinity will have dual meaning depends on the type of the irq. If it is
a normal irq, it'll have the standard affinity meaning.

If it is an IPI, it will hold the mask of the cpus to which an IPI can be
sent.

Signed-off-by: Qais Yousef <qais.yousef@imgtec.com>
Cc: <jason@lakedaemon.net>
Cc: <marc.zyngier@arm.com>
Cc: <jiang.liu@linux.intel.com>
Cc: <ralf@linux-mips.org>
Cc: <linux-mips@linux-mips.org>
Cc: <lisa.parratt@imgtec.com>
Cc: Qais Yousef <qsyousef@gmail.com>
Link: http://lkml.kernel.org/r/1449580830-23652-7-git-send-email-qais.yousef@imgtec.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
include/linux/irq.h