linux-kernel - Re: [kpatch] [PATCH] livepatch v7: move x86 specific ftrace handler code to arch/x86

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Message-ID: <alpine.LNX.2.00.1412190831110.1680@pobox.suse.cz>
Date:	Fri, 19 Dec 2014 08:31:39 +0100 (CET)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Li Bin <huawei.libin@...wei.com>
cc:	Seth Jennings <sjenning@...hat.com>,
	Josh Poimboeuf <jpoimboe@...hat.com>,
	Vojtech Pavlik <vojtech@...e.cz>,
	Steven Rostedt <rostedt@...dmis.org>,
	Petr Mladek <pmladek@...e.cz>, Miroslav Benes <mbenes@...e.cz>,
	kpatch@...hat.com, Greg KH <gregkh@...uxfoundation.org>,
	x86@...nel.org, linux-kernel@...r.kernel.org,
	Andy Lutomirski <luto@...capital.net>,
	Christoph Hellwig <hch@...radead.org>,
	live-patching@...r.kernel.org, Li Zefan <lizefan@...wei.com>,
	zhangdianfang <zhangdianfang@...wei.com>,
	Hanjun Guo <guohanjun@...wei.com>,
	xiexiuqi <xiexiuqi@...wei.com>
Subject: Re: [kpatch] [PATCH] livepatch v7: move x86 specific ftrace handler
 code to arch/x86

On Fri, 19 Dec 2014, Li Bin wrote:

> The execution flow redirection related implemention in the livepatch
> ftrace handler is depended on the specific architecture. This patch
> introduces klp_arch_set_pc(like kgdb_arch_set_pc) interface to change
> the pt_regs.
> 
> Signed-off-by: Li Bin <huawei.libin@...wei.com>

Good catch, thanks.

Reviewed-by: Jiri Kosina <jkosina@...e.cz>

-- 
Jiri Kosina
SUSE Labs
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