linux-kernel - Re: [PATCH] livepatch: change the error message in asm/livepatch.h header files

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Message-ID: <20160114201532.GA3178@treble.redhat.com>
Date:	Thu, 14 Jan 2016 14:15:32 -0600
From:	Josh Poimboeuf <jpoimboe@...hat.com>
To:	Miroslav Benes <mbenes@...e.cz>
Cc:	sjenning@...hat.com, jikos@...nel.org, vojtech@...e.com,
	pmladek@...e.cz, linux-kernel@...r.kernel.org,
	live-patching@...r.kernel.org, akpm@...ux-foundation.org
Subject: Re: [PATCH] livepatch: change the error message in asm/livepatch.h
 header files

On Thu, Jan 14, 2016 at 11:35:53AM +0100, Miroslav Benes wrote:
> If anyone includes asm/livepatch.h when CONFIG_LIVEPATCH=n the build
> fails with the existing error message. Change to it to something saner.

s/Change to it/Change it/

Otherwise,

Acked-by: Josh Poimboeuf <jpoimboe@...hat.com>

> 
> Suggested-by: Andrew Morton <akpm@...ux-foundation.org>
> Signed-off-by: Miroslav Benes <mbenes@...e.cz>
> ---
>  arch/s390/include/asm/livepatch.h | 2 +-
>  arch/x86/include/asm/livepatch.h  | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/s390/include/asm/livepatch.h b/arch/s390/include/asm/livepatch.h
> index 7aa799134a11..a52b6cca873d 100644
> --- a/arch/s390/include/asm/livepatch.h
> +++ b/arch/s390/include/asm/livepatch.h
> @@ -37,7 +37,7 @@ static inline void klp_arch_set_pc(struct pt_regs *regs, unsigned long ip)
>  	regs->psw.addr = ip;
>  }
>  #else
> -#error Live patching support is disabled; check CONFIG_LIVEPATCH
> +#error Include linux/livepatch.h, not asm/livepatch.h
>  #endif
>  
>  #endif
> diff --git a/arch/x86/include/asm/livepatch.h b/arch/x86/include/asm/livepatch.h
> index 19c099afa861..e795f5274217 100644
> --- a/arch/x86/include/asm/livepatch.h
> +++ b/arch/x86/include/asm/livepatch.h
> @@ -41,7 +41,7 @@ static inline void klp_arch_set_pc(struct pt_regs *regs, unsigned long ip)
>  	regs->ip = ip;
>  }
>  #else
> -#error Live patching support is disabled; check CONFIG_LIVEPATCH
> +#error Include linux/livepatch.h, not asm/livepatch.h
>  #endif
>  
>  #endif /* _ASM_X86_LIVEPATCH_H */
> -- 
> 2.1.4
>