linux-kernel - Re: [PATCH] MIPS: Get rid of CONFIG_CPU_HAS

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Date:	Tue, 5 Mar 2013 12:51:56 +0100
From:	Jonas Gorski <jogo@...nwrt.org>
To:	Paul Bolle <pebolle@...cali.nl>
Cc:	Ralf Baechle <ralf@...ux-mips.org>, linux-mips@...ux-mips.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] MIPS: Get rid of CONFIG_CPU_HAS_LLSC again

On 5 March 2013 11:03, Paul Bolle <pebolle@...cali.nl> wrote:
> Commit f7ade3c168e4f437c11f57be012992bbb0e3075c ("MIPS: Get rid of
> CONFIG_CPU_HAS_LLSC") did what it promised to do. But since then that
> macro and its Kconfig symbol popped up again. Get rid of those again.
>
> Signed-off-by: Paul Bolle <pebolle@...cali.nl>
> ---
> 0) Untested.

Obviously :p.

> 1) The related commits are 1c773ea4dceff889c2f872343609a87ae0cfbf56
> ("MIPS: Netlogic: Add XLP makefiles and config") and
> 3070033a16edcc21688d5ea8967c89522f833862 ("MIPS: Add core files for MIPS
> SEAD-3 development platform.").
>
>  arch/mips/Kconfig                                        | 1 -
>  arch/mips/include/asm/mach-sead3/cpu-feature-overrides.h | 3 ---
>  2 files changed, 4 deletions(-)
>
> diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
> index ae9c716..310f1e6 100644
> --- a/arch/mips/Kconfig
> +++ b/arch/mips/Kconfig
> @@ -1493,7 +1493,6 @@ config CPU_XLP
>         select CPU_SUPPORTS_32BIT_KERNEL
>         select CPU_SUPPORTS_64BIT_KERNEL
>         select CPU_SUPPORTS_HIGHMEM
> -       select CPU_HAS_LLSC
>         select WEAK_ORDERING
>         select WEAK_REORDERING_BEYOND_LLSC
>         select CPU_HAS_PREFETCH
> diff --git a/arch/mips/include/asm/mach-sead3/cpu-feature-overrides.h b/arch/mips/include/asm/mach-sead3/cpu-feature-overrides.h
> index d9c8284..2a945b4 100644
> --- a/arch/mips/include/asm/mach-sead3/cpu-feature-overrides.h
> +++ b/arch/mips/include/asm/mach-sead3/cpu-feature-overrides.h
> @@ -28,9 +28,6 @@
>  /* #define cpu_has_prefetch    ? */
>  #define cpu_has_mcheck         1
>  /* #define cpu_has_ejtag       ? */
> -#ifdef CONFIG_CPU_HAS_LLSC
> -#define cpu_has_llsc           1
> -#else
>  #define cpu_has_llsc           0
>  #endif

You need to remove these two lines, too, else you have an #endif without an #if.

>  /* #define cpu_has_vtag_icache ? */
> --
> 1.7.11.7
>
>
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