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Re: [discuss] [PATCH] utilization of kprobe_mutex is incorrect on x86_64
- From: Andi Kleen <ak at suse dot de>
- To: "Zhang, Yanmin" <yanmin dot zhang at intel dot com>
- Cc: linux-kernel at vger dot kernel dot org, discuss at x86-64 dot org,systemtap at sources dot redhat dot com,"Keshavamurthy, Anil S" <anil dot s dot keshavamurthy at intel dot com>
- Date: Thu, 29 Sep 2005 15:15:30 +0200
- Subject: Re: [discuss] [PATCH] utilization of kprobe_mutex is incorrect on x86_64
- References: <8126E4F969BA254AB43EA03C59F44E84037185A6@pdsmsx404>
On Thu, Sep 29, 2005 at 08:43:44AM +0800, Zhang, Yanmin wrote:
> <<kprobe_incorrect_kprobe_mutex_2.6.14-rc2_x86_64.patch>> I found it
> when reading the source codes. Basically, the bug could break
> kprobe_insn_pages under multi-thread environment. PPC arch also has the
> problem.
Can you describe what the problem actually is?
-Andi
> Here is the patch against x86_64.
>
> Signed-off-by: Zhang Yanmin <Yanmin.zhang@intel.com>
>
>