[PATCH v2 3/3] riscv: configs: Add nommu defconfig for RV32

[Conor Dooley]

On Mon, Feb 13, 2023 at 04:44:29PM -0500, Jesse Taube wrote:
> 
> 
> On 2/13/23 14:49, Conor Dooley wrote:
> > Hey Jesse,
> > 
> > On Sun, Feb 12, 2023 at 03:55:06PM -0500, Jesse Taube wrote:
> > > 32bit risc-v can be configured to run without MMU. This patch adds
> > > an example configuration for RV32 nommu virtual machine.
> > 
> > There's a patch on the list (I think it came in after you sent v1) that
> > pointed out that the rv32_defconfig in the tree is not actually used if
> > you do `make ARCH=riscv rv32_defconfig`, but instead a make target is
> > used.
> Oh that's interesting. Why is it still int the tree?

See that's the thing - the patch was deleting the rv32_defconfig file:
https://lore.kernel.org/linux-riscv/20230205133307.1058814-1-guoren@kernel.org/

> > How would you feel about replacing this final patch with the
> > below? That way rv32_nommu_virt_defconfig would always be kept in sync
> > with the rv64 version.
> Sounds good! The only gripe I have is the nommu_virt_defconfig is not very
> minimal, but that's not my problem.
> 
> Thanks,
> Jesse Taube
> > 
> > Cheers,
> > Conor.
> > 
> > diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile
> > index 7123511d977c..785d438ae5fe 100644
> > --- a/arch/riscv/Makefile
> > +++ b/arch/riscv/Makefile
> > @@ -173,3 +173,7 @@ rv64_randconfig:
> >   PHONY += rv32_defconfig
> >   rv32_defconfig:
> >   	$(Q)$(MAKE) -f $(srctree)/Makefile defconfig 32-bit.config
> > +
> > +PHONY += rv32_nommu_virt_defconfig
> > +rv32_nommu_virt_defconfig:
> > +	$(Q)$(MAKE) -f $(srctree)/Makefile nommu_virt_defconfig 32-bit.config
> > 
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