linux-kernel - Re: [PATCH v7 12/14] MIPS: Share generic kernel code with other architecture

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Date: Thu, 8 Feb 2024 09:38:02 +0000
From: Jiaxun Yang <jiaxun.yang@...goat.com>
To: Gregory CLEMENT <gregory.clement@...tlin.com>,
 Paul Burton <paulburton@...nel.org>,
 Thomas Bogendoerfer <tsbogend@...ha.franken.de>, linux-mips@...r.kernel.org,
 Rob Herring <robh+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Vladimir Kondratiev <vladimir.kondratiev@...ileye.com>,
 Tawfik Bayouk <tawfik.bayouk@...ileye.com>,
 Alexandre Belloni <alexandre.belloni@...tlin.com>,
 Théo Lebrun <theo.lebrun@...tlin.com>,
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH v7 12/14] MIPS: Share generic kernel code with other
 architecture



在 2024/2/5 15:34, Gregory CLEMENT 写道:
> Some architectures might seek to utilize a significant portion of the
> generic kernel code while maintaining independence from the generic
> kernel due to specific peculiarities.
>
> This patch allows for the reuse of core code, preventing unnecessary
> duplication.
>
> Suggested-by: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
> Signed-off-by: Gregory CLEMENT <gregory.clement@...tlin.com>
Reviewed-by: Jiaxun Yang <jiaxun.yang@...goat.com>

Thanks!
- Jiaxun
> ---
>   arch/mips/Kbuild           | 1 +
>   arch/mips/Kconfig          | 3 +++
>   arch/mips/generic/Makefile | 6 +++---
>   3 files changed, 7 insertions(+), 3 deletions(-)
>
> diff --git a/arch/mips/Kbuild b/arch/mips/Kbuild
> index af2967bffb73d..d683993ed331c 100644
> --- a/arch/mips/Kbuild
> +++ b/arch/mips/Kbuild
> @@ -17,6 +17,7 @@ obj- := $(platform-y)
>   # mips object files
>   # The object files are linked as core-y files would be linked
>   
> +obj-y += generic/
>   obj-y += kernel/
>   obj-y += mm/
>   obj-y += net/
> diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
> index 797ae590ebdba..5549d26448941 100644
> --- a/arch/mips/Kconfig
> +++ b/arch/mips/Kconfig
> @@ -109,6 +109,9 @@ config MIPS_FIXUP_BIGPHYS_ADDR
>   config MIPS_GENERIC
>   	bool
>   
> +config MACH_GENERIC_CORE
> +	bool
> +
>   config MACH_INGENIC
>   	bool
>   	select SYS_SUPPORTS_32BIT_KERNEL
> diff --git a/arch/mips/generic/Makefile b/arch/mips/generic/Makefile
> index e37a59bae0a62..56011d738441f 100644
> --- a/arch/mips/generic/Makefile
> +++ b/arch/mips/generic/Makefile
> @@ -4,9 +4,9 @@
>   # Author: Paul Burton <paul.burton@...s.com>
>   #
>   
> -obj-y += init.o
> -obj-y += irq.o
> -obj-y += proc.o
> +obj-$(CONFIG_MACH_GENERIC_CORE) += init.o
> +obj-$(CONFIG_MACH_GENERIC_CORE) += irq.o
> +obj-$(CONFIG_MACH_GENERIC_CORE) += proc.o
>   
>   obj-$(CONFIG_YAMON_DT_SHIM)		+= yamon-dt.o
>   obj-$(CONFIG_LEGACY_BOARD_SEAD3)	+= board-sead3.o

-- 
---
Jiaxun Yang