linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH 0/4] irqchip: Random irq_retrigger fixes
@ 2020-03-10 18:46 Marc Zyngier
  0 siblings, 0 replies; 2+ messages in thread
From: Marc Zyngier @ 2020-03-10 18:46 UTC (permalink / raw)
  To: linux-kernel, linux-arm-kernel
  Cc: Thomas Gleixner, Jason Cooper, Russell King, Nicolas Ferre,
	Alexandre Belloni, Ludovic Desroches, Zenghui Yu

As I was investigating some ugly retrigger locking issues (see patch 4),
I managed to find three occurences of irq_retrigger callbacks that return
the wrong value, leading to a SW retrigger on top of the HW one.

Not really a big deal, but definitely worth fixing.

Marc Zyngier (4):
  irqchip/atmel-aic: Fix irq_retrigger callback return value
  irqchip/atmel-aic5: Fix irq_retrigger callback return value
  ARM: sa1111: Fix irq_retrigger callback return value
  irqchip/gic-v4: Provide irq_retrigger to avoid circular locking
    dependency

 arch/arm/common/sa1111.c         | 7 +++++--
 drivers/irqchip/irq-atmel-aic.c  | 2 +-
 drivers/irqchip/irq-atmel-aic5.c | 2 +-
 drivers/irqchip/irq-gic-v3-its.c | 6 ++++++
 4 files changed, 13 insertions(+), 4 deletions(-)

-- 
2.20.1


^ permalink raw reply	[flat|nested] 2+ messages in thread

* [PATCH 0/4] irqchip: Random irq_retrigger fixes
@ 2020-03-10 18:49 Marc Zyngier
  0 siblings, 0 replies; 2+ messages in thread
From: Marc Zyngier @ 2020-03-10 18:49 UTC (permalink / raw)
  To: linux-kernel, linux-arm-kernel
  Cc: Thomas Gleixner, Jason Cooper, Russell King, Nicolas Ferre,
	Alexandre Belloni, Ludovic Desroches, Zenghui Yu

As I was investigating some ugly retrigger locking issues (see patch 4),
I managed to find three occurences of irq_retrigger callbacks that return
the wrong value, leading to a SW retrigger on top of the HW one.

Not really a big deal, but definitely worth fixing.

Marc Zyngier (4):
  irqchip/atmel-aic: Fix irq_retrigger callback return value
  irqchip/atmel-aic5: Fix irq_retrigger callback return value
  ARM: sa1111: Fix irq_retrigger callback return value
  irqchip/gic-v4: Provide irq_retrigger to avoid circular locking
    dependency

 arch/arm/common/sa1111.c         | 7 +++++--
 drivers/irqchip/irq-atmel-aic.c  | 2 +-
 drivers/irqchip/irq-atmel-aic5.c | 2 +-
 drivers/irqchip/irq-gic-v3-its.c | 6 ++++++
 4 files changed, 13 insertions(+), 4 deletions(-)

-- 
2.20.1


^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2020-03-10 18:49 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-03-10 18:46 [PATCH 0/4] irqchip: Random irq_retrigger fixes Marc Zyngier
2020-03-10 18:49 Marc Zyngier

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).