linux-kernel - Re: [PATCH -tip v5 13/18] notifier: Use NOKPROBE

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <52A7D646.2040904@hitachi.com>
Date:	Wed, 11 Dec 2013 12:04:38 +0900
From:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-arch@...r.kernel.org,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Sandeepa Prabhu <sandeepa.prabhu@...aro.org>, x86@...nel.org,
	lkml <linux-kernel@...r.kernel.org>,
	"Steven Rostedt (Red Hat)" <rostedt@...dmis.org>,
	systemtap@...rceware.org, "David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH -tip v5 13/18] notifier: Use NOKPROBE_SYMBOL macro in
 notifier

(2013/12/11 11:58), Masami Hiramatsu wrote:
> (2013/12/09 19:47), Masami Hiramatsu wrote:
>> Use NOKPROBE_SYMBOL macro to protect functions from
>> kprobes instead of __kprobes annotation in notifier.
> 
> Ah, this must just removes __kprobes since we don't use notify_die
> for kprobes anymore...

Oops, NO. kprobes generically still using the exception notifier to handle
GPF in the handler even on x86... For safety, I'd like to keep it as it is
until all dependency is removed.

Thank you,


-- 
Masami HIRAMATSU
IT Management Research Dept. Linux Technology Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: masami.hiramatsu.pt@...achi.com


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/