Re: [PATCH 00/10] MIPS: IPI Improvements

Jiaxun Yang
2024-07-03T08:38:20Z

在2024年6月17日六月 上午5:03，Jiaxun Yang写道：
> Hi all,
>
> This series improved general handling to MIPS IPI interrupts, made
> IPI numbers scalable, and switch to IPI-MUX for all GERNERIC_IPI
> users on mux.

Ping :-)

>
> It is a prerequisite for enabling IRQ_WORK for MIPS.
>
> It has been tested on MIPS Boston I6500, malta SOC-It, Loongson-2K,
> Cavium CN7130 (EdgeRouter 4), and an unannounced interaptiv UP MT
> platform with EIC.
>
> I don't really know broadcom platforms and SGI platforms well so
> changes to those platforms are kept minimal (no functional change).
>
> Please review.
> Thanks
>
> Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
> ---
> Jiaxun Yang (10):
> MIPS: smp: Make IPI interrupts scalable
> MIPS: smp: Manage IPI interrupts as percpu_devid interrupts
> MIPS: smp: Provide platform IPI virq & domain hooks
> MIPS: Move mips_smp_ipi_init call after prepare_cpus
> MIPS: smp: Implement IPI stats
> irqchip: irq-mips-gic: Switch to ipi_mux
> MIPS: Implement get_mips_sw_int hook
> MIPS: GIC: Implement get_sw_int hook
> irqchip: irq-mips-cpu: Rework software IRQ handling flow
> MIPS: smp-mt: Rework IPI functions
>
> arch/mips/Kconfig | 2 +
> arch/mips/cavium-octeon/smp.c | 109 +++++++-------------
> arch/mips/generic/irq.c | 15 +++
> arch/mips/include/asm/ipi.h | 71 +++++++++++++
> arch/mips/include/asm/irq.h | 1 +
> arch/mips/include/asm/irq_cpu.h | 3 +
> arch/mips/include/asm/mips-gic.h | 10 ++
> arch/mips/include/asm/smp-ops.h | 8 +-
> arch/mips/include/asm/smp.h | 42 +++-----
> arch/mips/kernel/irq.c | 21 ++++
> arch/mips/kernel/smp-bmips.c | 43 ++++----
> arch/mips/kernel/smp-cps.c | 1 +
> arch/mips/kernel/smp-mt.c | 70 +++++++++++++
> arch/mips/kernel/smp.c | 216 ++++++++++++++++++++++++---------------
> arch/mips/loongson64/smp.c | 51 ++++-----
> arch/mips/mm/c-octeon.c | 2 +-
> arch/mips/sgi-ip27/ip27-smp.c | 15 +--
> arch/mips/sgi-ip30/ip30-smp.c | 15 +--
> arch/mips/sibyte/bcm1480/smp.c | 19 ++--
> arch/mips/sibyte/sb1250/smp.c | 13 +--
> drivers/irqchip/Kconfig | 2 +-
> drivers/irqchip/irq-mips-cpu.c | 180 +++++++++-----------------------
> drivers/irqchip/irq-mips-gic.c | 213 ++++++++++++++------------------------
> 23 files changed, 594 insertions(+), 528 deletions(-)
> ---
> base-commit: a2a47d53ca1f74f60931487c27eeba3c17fb69c9
> change-id: 20240616-b4-mips-ipi-improvements-f8c86b1dc677
>
> Best regards,
> --
> Jiaxun Yang <jiaxun.yang@flygoat.com>

--
- Jiaxun