Re: [PATCH 02/10] MIPS: smp: Manage IPI interrupts as percpu_devid interrupts
From: Thomas Bogendoerfer
Date: Thu Jul 04 2024 - 09:15:24 EST
On Thu, Jul 04, 2024 at 04:08:09AM +0800, Jiaxun Yang wrote:
>
>
> 在2024年7月3日七月 下午11:03,Thomas Bogendoerfer写道:
> [...]
> >
> > there is no user of mips_smp_ipi_disable() (at least I didn't see one),
> > so do we need this patch at all ? Just looking like ARM or RiscV isn't
> > a justification for code churn.
>
> Hi Thomas,
>
> The per-cpu enablement process is necessary for IPI_MUX and
> my upcoming IPI driver.
>
> The disablement, I'm not really sure, maybe it's a good idea to call it at
> platform's __cpu_disable to prevent spurious IPI after IRQ migration.
don't add dead code, so drop mips_smp_ipi_disable() for now.
Thomas.
--
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea. [ RFC1925, 2.3 ]