[PATCH v2 5/5] iommu/riscv: Allow RISC_VIOMMU to COMPILE_TEST

[Andrew Jones]

On Fri, Jan 30, 2026 at 07:44:34PM -0400, Jason Gunthorpe wrote:
> On Fri, Jan 30, 2026 at 01:58:51PM -0600, Andrew Jones wrote:
> > >  config RISCV_IOMMU
> > >  	bool "RISC-V IOMMU Support"
> > > -	depends on RISCV && 64BIT
> > > -	default y
> > > +	default RISCV
> > > +	depends on (RISCV || COMPILE_TEST) && 64BIT
> > > +	depends on GENERIC_MSI_IRQ
> > 
> > This new depends isn't called out in the commit message. Maybe it should
> > even be its own patch with a fixes d5f88acdd6ff ("iommu/riscv: Add support
> > for platform msi") tag, but, either way, thanks for the fix.
> 
> I think if riscv has a 32 bit configuration with iommu HW available
> then you'd want a different fix to make it work.. Probably include one
> of the high/low headers to get emulated writeq
> 
> This is just intended to make it work with COMPILE_TEST on eg ARM32.

I was pointing out the new 'depends on GENERIC_MSI_IRQ'. We had the
64BIT already.

Thanks,
drew