linux-kernel - Re: [PATCH] x86/unwind: Make some variables static

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Date:   Tue, 14 Apr 2020 11:23:37 +0200 (CEST)
From:   Miroslav Benes <mbenes@...e.cz>
To:     Muchun Song <songmuchun@...edance.com>
cc:     tglx@...utronix.de, mingo@...hat.com, bp@...en8.de, hpa@...or.com,
        x86@...nel.org, mingo@...nel.org, peterz@...radead.org,
        shile.zhang@...ux.alibaba.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86/unwind: Make some variables static

On Mon, 13 Apr 2020, Muchun Song wrote:

> The variables are local to the source and do not need to be
> in global scope, so make them static.
> 
> Signed-off-by: Muchun Song <songmuchun@...edance.com>
> ---
>  arch/x86/kernel/unwind_orc.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/x86/kernel/unwind_orc.c b/arch/x86/kernel/unwind_orc.c
> index e9cc182aa97ee..0dbabc469ce2d 100644
> --- a/arch/x86/kernel/unwind_orc.c
> +++ b/arch/x86/kernel/unwind_orc.c
> @@ -16,11 +16,11 @@ extern struct orc_entry __start_orc_unwind[];
>  extern struct orc_entry __stop_orc_unwind[];
>  
>  static DEFINE_MUTEX(sort_mutex);
> -int *cur_orc_ip_table = __start_orc_unwind_ip;
> -struct orc_entry *cur_orc_table = __start_orc_unwind;
> +static int *cur_orc_ip_table = __start_orc_unwind_ip;
> +static struct orc_entry *cur_orc_table = __start_orc_unwind;
>  
> -unsigned int lookup_num_blocks;
> -bool orc_init;
> +static unsigned int lookup_num_blocks;
> +static bool orc_init;
>  
>  static inline unsigned long orc_ip(const int *ip)
>  {
> -- 

Already fixed in 
https://lore.kernel.org/lkml/63b5cab2e28b9c08854fc57f5b512a9ccf76ad95.1584033751.git.jpoimboe@redhat.com/

Thanks,
Miroslav