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.
It is a prerequisite for enabling IRQ_WORK for MIPS.
It has been tested on MIPS Boston I6500, malta CoreFPGA3 47K MT/
interAPtiv MPF, 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>
---
Changes in v4:
- irqchip commit message and code style fixes (tglx)
- Link to v3: https://lore.kernel.org/r/20240810-b4-mips-ipi-improvements-v3-0-1224fd7c4096@flygoat.com
Changes in v3:
- Fix build errors reported by kernel test bot
- Rebasing to current next
- Link to v2: https://lore.kernel.org/r/20240705-b4-mips-ipi-improvements-v2-0-2d50b56268e8@flygoat.com
Changes in v2:
- Build warning fixes
- Massage commit messages
- Link to v1: https://lore.kernel.org/r/20240616-b4-mips-ipi-improvements-v1-0-e332687f1692@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 | 111 ++++++-----------
arch/mips/fw/arc/init.c | 1 -
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/octeon/octeon.h | 2 +
arch/mips/include/asm/smp-ops.h | 8 +-
arch/mips/include/asm/smp.h | 41 +++----
arch/mips/kernel/irq.c | 21 ++++
arch/mips/kernel/smp-bmips.c | 43 ++++---
arch/mips/kernel/smp-cps.c | 2 +
arch/mips/kernel/smp-mt.c | 70 +++++++++++
arch/mips/kernel/smp.c | 213 ++++++++++++++++++++-------------
arch/mips/loongson64/smp.c | 24 ++--
arch/mips/mm/c-octeon.c | 3 +-
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 | 191 +++++++++---------------------
drivers/irqchip/irq-mips-gic.c | 217 +++++++++++++---------------------
25 files changed, 590 insertions(+), 523 deletions(-)
---
base-commit: 61c01d2e181adfba02fe09764f9fca1de2be0dbe
change-id: 20240616-b4-mips-ipi-improvements-f8c86b1dc677
Best regards,
--
Jiaxun Yang <jiaxun.yang@flygoat.com>