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* [PATCH 0/5] genirq: Get rid of handle_percpu_devid_fasteoi_ipi()
@ 2020-11-09  9:41 ` Valentin Schneider
  0 siblings, 0 replies; 46+ messages in thread
From: Valentin Schneider @ 2020-11-09  9:41 UTC (permalink / raw)
  To: linux-kernel, linux-arm-kernel
  Cc: Thomas Gleixner, Marc Zyngier, Lorenzo Pieralisi, Jason Cooper,
	Andrew Lunn, Gregory Clement, Sebastian Hesselbarth,
	Florian Fainelli, Ray Jui, Scott Branden

Hi folks,

While hacking on the GIC flow handlers, I grew increasingly suspicious of 
handle_percpu_devid_fasteoi_ipi() and thus did a bit of digging. AFAICT it isn't
actually needed and handle_percpu_devid_irq() would suffice. Argumentation is in
patch 1.

Tested on my Juno (GICv2) and eMAG (GICv3).

Whichever way this goes I owe Marc some pastries, given I either
- Missed something and created some noise
- Turned my brain off back when reviewing this flow handler
so maybe just start with pinging me what you want...

Valentin Schneider (5):
  irqchip/gic, gic-v3: Make SGIs use handle_percpu_devid_irq()
  irqchip/armada-370-xp: Make IPIs use handle_percpu_devid_irq()
  irqchip/bcm2836: Make IPIs use handle_percpu_devid_irq()
  irqchip/hip04: Make IPIs use handle_percpu_devid_irq()
  Revert "genirq: Add fasteoi IPI flow"

 drivers/irqchip/irq-armada-370-xp.c |  2 +-
 drivers/irqchip/irq-bcm2836.c       |  2 +-
 drivers/irqchip/irq-gic-v3.c        |  6 ------
 drivers/irqchip/irq-gic.c           |  8 +-------
 drivers/irqchip/irq-hip04.c         |  6 +-----
 include/linux/irq.h                 |  1 -
 kernel/irq/chip.c                   | 27 ---------------------------
 7 files changed, 4 insertions(+), 48 deletions(-)

--
2.27.0


^ permalink raw reply	[flat|nested] 46+ messages in thread

end of thread, other threads:[~2020-12-18 20:54 UTC | newest]

Thread overview: 46+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-11-09  9:41 [PATCH 0/5] genirq: Get rid of handle_percpu_devid_fasteoi_ipi() Valentin Schneider
2020-11-09  9:41 ` Valentin Schneider
2020-11-09  9:41 ` [PATCH 1/5] irqchip/gic, gic-v3: Make SGIs use handle_percpu_devid_irq() Valentin Schneider
2020-11-09  9:41   ` Valentin Schneider
2020-12-11 14:58   ` [irqchip: irq/irqchip-next] " irqchip-bot for Valentin Schneider
2020-11-09  9:41 ` [PATCH 2/5] irqchip/armada-370-xp: Make IPIs " Valentin Schneider
2020-11-09  9:41   ` Valentin Schneider
2020-12-11 14:58   ` [irqchip: irq/irqchip-next] " irqchip-bot for Valentin Schneider
2020-11-09  9:41 ` [PATCH 3/5] irqchip/bcm2836: " Valentin Schneider
2020-11-09  9:41   ` Valentin Schneider
2020-12-11 14:58   ` [irqchip: irq/irqchip-next] " irqchip-bot for Valentin Schneider
2020-12-15  0:21   ` [PATCH 3/5] " Guenter Roeck
2020-12-15  0:21     ` Guenter Roeck
2020-12-15 10:19     ` Marc Zyngier
2020-12-15 10:19       ` Marc Zyngier
2020-12-15 11:14       ` Valentin Schneider
2020-12-15 11:14         ` Valentin Schneider
2020-12-15 12:14         ` Marc Zyngier
2020-12-15 12:14           ` Marc Zyngier
2020-12-15 15:21       ` Guenter Roeck
2020-12-15 15:21         ` Guenter Roeck
2020-12-15 15:26         ` Marc Zyngier
2020-12-15 15:26           ` Marc Zyngier
2020-12-15 15:39           ` Guenter Roeck
2020-12-15 15:39             ` Guenter Roeck
2020-12-15 15:46             ` Marc Zyngier
2020-12-15 15:46               ` Marc Zyngier
2020-12-15 16:23               ` Guenter Roeck
2020-12-15 16:23                 ` Guenter Roeck
2020-12-18  5:18               ` Guenter Roeck
2020-12-18  5:18                 ` Guenter Roeck
2020-12-18 18:40                 ` Marc Zyngier
2020-12-18 18:40                   ` Marc Zyngier
2020-12-18 18:47                   ` Guenter Roeck
2020-12-18 18:47                     ` Guenter Roeck
2020-12-18 18:40             ` [irqchip: irq/irqchip-next] irqchip/bcm2836: Fix IPI acknowledgement after conversion to handle_percpu_devid_irq irqchip-bot for Marc Zyngier
2020-12-18 20:36               ` Valentin Schneider
2020-12-18 20:53                 ` Marc Zyngier
2020-11-09  9:41 ` [PATCH 4/5] irqchip/hip04: Make IPIs use handle_percpu_devid_irq() Valentin Schneider
2020-11-09  9:41   ` Valentin Schneider
2020-12-11 14:58   ` [irqchip: irq/irqchip-next] " irqchip-bot for Valentin Schneider
2020-11-09  9:41 ` [PATCH 5/5] Revert "genirq: Add fasteoi IPI flow" Valentin Schneider
2020-11-09  9:41   ` Valentin Schneider
2020-12-11 14:58   ` [irqchip: irq/irqchip-next] " irqchip-bot for Valentin Schneider
2020-12-11 15:01 ` [PATCH 0/5] genirq: Get rid of handle_percpu_devid_fasteoi_ipi() Marc Zyngier
2020-12-11 15:01   ` Marc Zyngier

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