linux/kernel/irq
Thomas Gleixner 54fdf6a087 genirq: Introduce IRQD_MANAGED_SHUTDOWN
Affinity managed interrupts should keep their assigned affinity accross CPU
hotplug. To avoid magic hackery in device drivers, the core code shall
manage them transparently. This will set these interrupts into a managed
shutdown state when the last CPU of the assigned affinity mask goes
offline. The interrupt will be restarted when one of the CPUs in the
assigned affinity mask comes back online.

Introduce the necessary state flag and the accessor functions.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Keith Busch <keith.busch@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Christoph Hellwig <hch@lst.de>
Link: http://lkml.kernel.org/r/20170619235446.954523476@linutronix.de
2017-06-22 18:21:23 +02:00
..
affinity.c genirq/affinity: Fix calculating vectors to assign 2017-04-20 16:03:09 +02:00
autoprobe.c genirq: Handle pending irqs in irq_startup() 2012-02-15 11:56:59 +01:00
chip.c genirq: Move initial affinity setup to irq_startup() 2017-06-22 18:21:15 +02:00
cpuhotplug.c genirq/cpuhotplug: Use effective affinity mask 2017-06-22 18:21:21 +02:00
debug.h irq: hide debug macros so they don't collide with others. 2012-04-23 12:30:03 -04:00
debugfs.c genirq: Introduce effective affinity mask 2017-06-22 18:21:20 +02:00
devres.c irq/generic-chip: Provide devm_irq_setup_generic_chip() 2017-06-21 15:53:11 +02:00
dummychip.c Merge branch 'linus' into irq/core 2015-06-05 22:25:01 +02:00
generic-chip.c irq/generic-chip: Export irq_init_generic_chip() locally 2017-06-21 15:53:11 +02:00
handle.c genirq: Add untracked irq handler 2016-06-18 10:00:55 +02:00
internals.h genirq: Introduce IRQD_MANAGED_SHUTDOWN 2017-06-22 18:21:23 +02:00
ipi.c genirq: Fix missing irq allocation affinity hint 2016-07-19 10:49:47 +02:00
irqdesc.c genirq: Introduce effective affinity mask 2017-06-22 18:21:20 +02:00
irqdomain.c genirq/debugfs: Add proper debugfs interface 2017-06-22 18:21:13 +02:00
Kconfig genirq: Introduce effective affinity mask 2017-06-22 18:21:20 +02:00
Makefile genirq/debugfs: Add proper debugfs interface 2017-06-22 18:21:13 +02:00
manage.c genirq: Move pending helpers to internal.h 2017-06-22 18:21:15 +02:00
migration.c genirq: Provide irq_fixup_move_pending() 2017-06-22 18:21:13 +02:00
msi.c genirq/msi: Prevent overwriting domain name 2017-06-22 18:21:08 +02:00
pm.c Merge branches 'irq-urgent-for-linus' and 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-11-15 09:30:48 -08:00
proc.c genirq: Introduce effective affinity mask 2017-06-22 18:21:20 +02:00
resend.c genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
settings.h genirq: Add flag to force mask in disable_irq[_nosync]() 2015-10-11 11:33:42 +02:00
spurious.c genirq: Clarify logic calculating bogus irqreturn_t values 2017-02-16 15:32:19 +01:00