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17549b0f18
linux/kernel/irq
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Manfred Spraul 17549b0f18 genirq: Add might_sleep() to disable_irq() 
With the introduction of threaded interrupt handlers, it is virtually
never safe to call disable_irq() from non-premptible context.

Thus: Update the documentation, add an explicit might_sleep() to catch any
offenders. This is more obvious and straight forward than the implicit
might_sleep() check deeper down in the disable_irq() call chain.

Fixes: 3aa551c9b4 ("genirq: add threaded interrupt handler support")
Signed-off-by: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20221216150441.200533-3-manfred@colorfullife.com
2023-01-11 19:35:13 +01:00
..
affinity.c irqchip updates for 5.19: 2022-05-20 18:48:54 +02:00
autoprobe.c genirq: Delay deactivation in free_irq() 2019-07-03 10:12:28 +02:00
chip.c genirq/irqdomain: Rename irq_domain::dev to irq_domain:: Pm_dev 2022-12-05 19:20:58 +01:00
cpuhotplug.c sched/isolation: Use single feature type while referring to housekeeping cpumask 2022-02-16 15:57:55 +01:00
debug.h Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk 2018-02-01 13:36:15 -08:00
debugfs.c genirq: Return a const cpumask from irq_data_get_affinity_mask 2022-07-07 09:38:04 +01:00
devres.c genirq/devres: Use struct_size() in devm_kzalloc() 2019-04-16 21:54:03 +02:00
dummychip.c irq: Fix typos in comments 2021-03-22 04:23:14 +01:00
generic-chip.c genirq/generic_chip: Export irq_unmap_generic_chip 2022-07-20 12:05:55 +01:00
handle.c irq: remove unused flags argument from __handle_irq_event_percpu() 2022-01-07 00:25:25 +01:00
internals.h genirq/irqdesc: Don't try to remove non-existing sysfs files 2022-11-30 14:52:11 +01:00
ipi.c genirq: Return a const cpumask from irq_data_get_affinity_mask 2022-07-07 09:38:04 +01:00
irq_sim.c genirq/irq_sim: Make the irq_work always run in hard irq context 2022-05-14 17:48:27 +02:00
irqdesc.c genirq/irqdesc: Don't try to remove non-existing sysfs files 2022-11-30 14:52:11 +01:00
irqdomain.c irqdomain: Use hwirq_max instead of revmap_size for NOMAP domains 2022-07-19 14:51:56 +01:00
Kconfig genirq: Get rid of GENERIC_MSI_IRQ_DOMAIN 2022-11-17 15:15:20 +01:00
Makefile genirq/timings: Add selftest for circular array 2019-06-12 10:47:04 +02:00
manage.c genirq: Add might_sleep() to disable_irq() 2023-01-11 19:35:13 +01:00
matrix.c genirq/matrix: Remove redundant assignment to variable 'end' 2022-04-25 15:02:57 +02:00
migration.c genirq: Fix typos and misspellings in comments 2021-03-16 15:08:29 +01:00
msi.c genirq/msi: Return MSI_XA_DOMAIN_SIZE as the maximum MSI index when no domain is present 2022-12-16 14:04:04 +00:00
pm.c genirq/PM: Unexport {suspend,resume}_device_irqs() 2022-06-13 12:27:37 +02:00
proc.c proc: remove PDE_DATA() completely 2022-01-22 08:33:37 +02:00
resend.c genirq: Fix typos and misspellings in comments 2021-03-16 15:08:29 +01:00
settings.h genirq: Add a IRQF_NO_DEBUG flag 2021-05-17 20:01:35 +02:00
spurious.c genirq: Disable irqfixup/poll on PREEMPT_RT. 2021-09-19 23:01:15 +02:00
timings.c Updates to the interrupt core and driver subsystems: 2021-08-30 14:38:37 -07:00