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

From: Jesse Taube
Date: Mon Feb 13 2023 - 16:44:35 EST




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?
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