[PATCH v16 0/9] RISC-V IPI Improvements

Marc Zyngier maz at kernel.org
Sun Feb 5 03:04:14 PST 2023


On Tue, 03 Jan 2023 14:12:12 +0000,
Anup Patel <apatel at ventanamicro.com> wrote:
> 
> This series aims to improve IPI support in Linux RISC-V in following ways:
>  1) Treat IPIs as normal per-CPU interrupts instead of having custom RISC-V
>     specific hooks. This also makes Linux RISC-V IPI support aligned with
>     other architectures.
>  2) Remote TLB flushes and icache flushes should prefer local IPIs instead
>     of SBI calls whenever we have specialized hardware (such as RISC-V AIA
>     IMSIC and RISC-V SWI) which allows S-mode software to directly inject
>     IPIs without any assistance from M-mode runtime firmware.

[...]

I'm queuing patches 3 and 9 via the irqchip tree as they are
standalone.

For the rest, I need an Ack from the riscv maintainers as they change
a large amount of arch-specific code, and the couple of irqchip
patches depend on these changes.

Palmer, Paul?

Thanks,

	M.

-- 
Without deviation from the norm, progress is not possible.



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