Re: [PATCH 00/11] arm/arm64: Turning IPIs into normal interrupts

Valentin Schneider
2020-05-19T22:25:24Z

Hi Marc,

On 19/05/20 17:17, Marc Zyngier wrote:
>
> This has been tested on a bunch of 32 and 64bit guests.
>

I gave this a brief spin on Juno and on HiKey960, nothing to report there.

FWIW I'd like to stare a bit at the rest; I already have a rookie question
on the accounting, but the rest will be for after I get some sleep, and
maybe even a mug of coffee :-)

> Marc Zyngier (11):
> genirq: Add fasteoi IPI flow
> genirq: Allow interrupts to be excluded from /proc/interrupts
> arm64: Allow IPIs to be handled as normal interrupts
> ARM: Allow IPIs to be handled as normal interrupts
> irqchip/gic-v3: Describe the SGI range
> irqchip/gic-v3: Configure SGIs as standard interrupts
> irqchip/gic: Refactor SMP configuration
> irqchip/gic: Configure SGIs as standard interrupts
> irqchip/gic-common: Don't enable SGIs by default
> irqchip/bcm2836: Configure mailbox interrupts as standard interrupts
> arm64: Kill __smp_cross_call and co
>
> arch/arm/Kconfig | 1 +
> arch/arm/include/asm/smp.h | 5 +
> arch/arm/kernel/smp.c | 97 +++++++++++---
> arch/arm64/Kconfig | 1 +
> arch/arm64/include/asm/irq_work.h | 4 +-
> arch/arm64/include/asm/smp.h | 6 +-
> arch/arm64/kernel/smp.c | 98 +++++++++++----
> drivers/irqchip/irq-bcm2836.c | 151 ++++++++++++++++++----
> drivers/irqchip/irq-gic-common.c | 3 -
> drivers/irqchip/irq-gic-v3.c | 109 ++++++++++------
> drivers/irqchip/irq-gic.c | 203 ++++++++++++++++++------------
> include/linux/irq.h | 4 +-
> kernel/irq/chip.c | 26 ++++
> kernel/irq/debugfs.c | 1 +
> kernel/irq/proc.c | 2 +-
> kernel/irq/settings.h | 7 ++
> 16 files changed, 515 insertions(+), 203 deletions(-)