linux-kernel - Re: [PATCH v2] riscv: add rv32 and rv64 randconfig build targets

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Date:   Mon, 04 Oct 2021 17:57:38 -0700 (PDT)
From:   Palmer Dabbelt <palmer@...belt.com>
To:     rdunlap@...radead.org
CC:     linux-kernel@...r.kernel.org, rdunlap@...radead.org,
        mpe@...erman.id.au, Paul Walmsley <paul.walmsley@...ive.com>,
        aou@...s.berkeley.edu, linux-riscv@...ts.infradead.org
Subject:     Re: [PATCH v2] riscv: add rv32 and rv64 randconfig build targets

On Sat, 11 Sep 2021 20:45:38 PDT (-0700), rdunlap@...radead.org wrote:
> Add the ability to do randconfig build targets for both
> rv32 and rv64.
>
> Based on a similar patch by Michael Ellerman for PowerPC.
>
> Usage:
>   make ARCH=riscv rv32_randconfig
> or
>   make ARCH=riscv rv64_randconfig
>
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
> Cc: Michael Ellerman <mpe@...erman.id.au>
> Cc: Paul Walmsley <paul.walmsley@...ive.com>
> Cc: Palmer Dabbelt <palmer@...belt.com>
> Cc: Albert Ou <aou@...s.berkeley.edu>
> Cc: linux-riscv@...ts.infradead.org
> ---
> v2: add missing S-o-b
>
>  arch/riscv/Makefile              |   10 ++++++++++
>  arch/riscv/configs/32-bit.config |    2 ++
>  arch/riscv/configs/64-bit.config |    2 ++
>  3 files changed, 14 insertions(+)
>
> --- linux-next-20210910.orig/arch/riscv/Makefile
> +++ linux-next-20210910/arch/riscv/Makefile
> @@ -141,3 +141,13 @@ install zinstall:
>
>  archclean:
>  	$(Q)$(MAKE) $(clean)=$(boot)
> +
> +PHONY += rv32_randconfig
> +rv32_randconfig:
> +	$(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/riscv/configs/32-bit.config \
> +		-f $(srctree)/Makefile randconfig
> +
> +PHONY += rv64_randconfig
> +rv64_randconfig:
> +	$(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/riscv/configs/64-bit.config \
> +		-f $(srctree)/Makefile randconfig
> --- /dev/null
> +++ linux-next-20210910/arch/riscv/configs/32-bit.config
> @@ -0,0 +1,2 @@
> +CONFIG_ARCH_RV32I=y
> +CONFIG_32BIT=y
> --- /dev/null
> +++ linux-next-20210910/arch/riscv/configs/64-bit.config
> @@ -0,0 +1,2 @@
> +CONFIG_ARCH_RV64I=y
> +CONFIG_64BIT=y

Thanks, this is on for-next.