diff options
| author | Qais Yousef <[email protected]> | 2015-12-08 13:20:17 +0000 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2016-02-25 10:56:55 +0100 |
| commit | 955bfe5912e7839abcc83694f06867535487404b (patch) | |
| tree | 50814a31e1ac2d9370249ab786aa11043b796851 | |
| parent | 379b656446a36c7a80b27cbdc34eec8e57b5f290 (diff) | |
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 <[email protected]>
Cc: <[email protected]>
Cc: <[email protected]>
Cc: <[email protected]>
Cc: <[email protected]>
Cc: <[email protected]>
Cc: <[email protected]>
Cc: Qais Yousef <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Thomas Gleixner <[email protected]>
| -rw-r--r-- | include/linux/irq.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h index 3c1c96786248..0817afd0d719 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -133,7 +133,9 @@ struct irq_domain; * Use accessor functions to deal with it * @node: node index useful for balancing * @handler_data: per-IRQ data for the irq_chip methods - * @affinity: IRQ affinity on SMP + * @affinity: IRQ affinity on SMP. If this is an IPI + * related irq, then this is the mask of the + * CPUs to which an IPI can be sent. * @msi_desc: MSI descriptor */ struct irq_common_data { |