Re: [PATCH] irqchip: Skip contexts other supervisor in plic_init()

From: Christoph Hellwig
Date: Wed Oct 23 2019 - 21:30:21 EST


On Wed, Oct 23, 2019 at 03:07:10PM -0700, Palmer Dabbelt wrote:
> > > + /* skip contexts other than supervisor external interrupt */
> > > + if (parent.args[0] != IRQ_S_EXT)
> > > continue;
> >
> > Will this need to change for RISC-V M-mode Linux support?
> >
> > https://lore.kernel.org/linux-riscv/20191017173743.5430-1-hch@xxxxxx/
>
> Yes.

For M-mode we'll want to check IRQ_M_EXT above. So we should just
merge this patch ASAP and then for my rebased M-mode series I'll
fix the check to do that for the M-Mode case, which is much cleaner
than my hack.