linux-kernel - Re: [PATCH v2] MIPS: Loongson64: Drop 32-bit support for Loongson 2E/2F devices

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Message-ID: <20180201160205.GJ7637@saruman>
Date:   Thu, 1 Feb 2018 16:02:06 +0000
From:   James Hogan <jhogan@...nel.org>
To:     Jiaxun Yang <jiaxun.yang@...goat.com>
Cc:     Ralf Baechle <ralf@...ux-mips.org>,
        Huacai CHen <chenhc@...ote.com>, linux-mips@...ux-mips.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] MIPS: Loongson64: Drop 32-bit support for Loongson
 2E/2F devices

On Tue, Jan 02, 2018 at 11:39:17PM +0800, Jiaxun Yang wrote:
> The 32-bit support was broken at runtime, it doesn't boot anymore,
> witch is hard to debug because even early printk isn't working, also
> there are some build warnings. Some newer bootloader may not support
> 32-bit ELF. So we decide to drop 32-bit support.
> 
> Make loongson64 a pure 64-bit arch.
> 
> Signed-off-by: Jiaxun Yang <jiaxun.yang@...goat.com>

Applied to my 4.16 branch,

Thanks
James

> ---
>  arch/mips/loongson64/Kconfig | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/arch/mips/loongson64/Kconfig b/arch/mips/loongson64/Kconfig
> index 0d249fc3cfe9..a7d9a9241ac4 100644
> --- a/arch/mips/loongson64/Kconfig
> +++ b/arch/mips/loongson64/Kconfig
> @@ -17,7 +17,6 @@ config LEMOTE_FULOONG2E
>  	select I8259
>  	select ISA
>  	select IRQ_MIPS_CPU
> -	select SYS_SUPPORTS_32BIT_KERNEL
>  	select SYS_SUPPORTS_64BIT_KERNEL
>  	select SYS_SUPPORTS_LITTLE_ENDIAN
>  	select SYS_SUPPORTS_HIGHMEM
> @@ -49,7 +48,6 @@ config LEMOTE_MACH2F
>  	select ISA
>  	select SYS_HAS_CPU_LOONGSON2F
>  	select SYS_HAS_EARLY_PRINTK
> -	select SYS_SUPPORTS_32BIT_KERNEL
>  	select SYS_SUPPORTS_64BIT_KERNEL
>  	select SYS_SUPPORTS_HIGHMEM
>  	select SYS_SUPPORTS_LITTLE_ENDIAN
> -- 
> 2.15.1
> 

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