linux-kernel - Re: [PATCH 05/12] kprobes: declare __{start,stop}_kprobe

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Message-Id: <20161017145305.e31ec8b9967aafba1a76268d@gmail.com>
Date:   Mon, 17 Oct 2016 14:53:05 +0900
From:   Masami Hiramatsu <masami.hiramatsu@...il.com>
To:     Vegard Nossum <vegard.nossum@...cle.com>
Cc:     linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.cz>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        "Luis R . Rodriguez" <mcgrof@...nel.org>,
        Ananth N Mavinakayanahalli <ananth@...ux.vnet.ibm.com>,
        Anil S Keshavamurthy <anil.s.keshavamurthy@...el.com>,
        "David S. Miller" <davem@...emloft.net>,
        Masami Hiramatsu <mhiramat@...nel.org>
Subject: Re: [PATCH 05/12] kprobes: declare __{start,stop}_kprobe_blacklist
 as external array

Could you please add the patch description for the patch?
And send me the whole series of the patches.

Thanks,

On Sun, 16 Oct 2016 17:16:09 +0200
Vegard Nossum <vegard.nossum@...cle.com> wrote:

> Cc: Ananth N Mavinakayanahalli <ananth@...ux.vnet.ibm.com>
> Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@...el.com>
> Cc: "David S. Miller" <davem@...emloft.net>
> Cc: Masami Hiramatsu <mhiramat@...nel.org>
> Signed-off-by: Vegard Nossum <vegard.nossum@...cle.com>
> ---
>  kernel/kprobes.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/kernel/kprobes.c b/kernel/kprobes.c
> index d630954..f163f74 100644
> --- a/kernel/kprobes.c
> +++ b/kernel/kprobes.c
> @@ -31,6 +31,7 @@
>   *		<jkenisto@...ibm.com> and Prasanna S Panchamukhi
>   *		<prasanna@...ibm.com> added function-return probes.
>   */
> +#include <linux/extarray.h>
>  #include <linux/kprobes.h>
>  #include <linux/hash.h>
>  #include <linux/init.h>
> @@ -2126,8 +2127,7 @@ static struct notifier_block kprobe_module_nb = {
>  };
>  
>  /* Markers of _kprobe_blacklist section */
> -extern unsigned long __start_kprobe_blacklist[];
> -extern unsigned long __stop_kprobe_blacklist[];
> +DECLARE_EXTARRAY(unsigned long, kprobe_blacklist);
>  
>  static int __init init_kprobes(void)
>  {
> @@ -2141,8 +2141,8 @@ static int __init init_kprobes(void)
>  		raw_spin_lock_init(&(kretprobe_table_locks[i].lock));
>  	}
>  
> -	err = populate_kprobe_blacklist(__start_kprobe_blacklist,
> -					__stop_kprobe_blacklist);
> +	err = populate_kprobe_blacklist(ext_start(kprobe_blacklist),
> +					ext_end(kprobe_blacklist));
>  	if (err) {
>  		pr_err("kprobes: failed to populate blacklist: %d\n", err);
>  		pr_err("Please take care of using kprobes.\n");
> -- 
> 2.10.0.479.g221bd91
> 


-- 
Masami Hiramatsu