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Date: Fri, 3 Aug 2012 12:17:43 +0200
From: richard -rw- weinberger <>
To: "Eric W. Biederman" <>
Cc: Kees Cook <>, Thomas Gleixner <>,, Randy Dunlap <>, 
	Darren Hart <>, Peter Zijlstra <>, 
	Andrew Morton <>, Jiri Kosina <>, 
	David Howells <>, "Serge E. Hallyn" <>,,,, Pavel Emelyanov <>, 
	Cyrill Gorcunov <>
Subject: Re: [PATCH v2] futex: mark get_robust_list as deprecated

On Thu, Aug 2, 2012 at 1:11 PM, Eric W. Biederman <> wrote:
> richard -rw- weinberger <> writes:
>> On Fri, Mar 23, 2012 at 8:08 PM, Kees Cook <> wrote:
>>> Notify get_robust_list users that the syscall is going away.
>>> Suggested-by: Thomas Gleixner <>
>>> Signed-off-by: Kees Cook <>
>>> ---
>> I'm using this system call in an application and noticed that's marked
>> as deprecated now.
>> My application collects all kind of information from crashing programs.
>> It's installed in /proc/sys/kernel/core_pattern.
>> If program X is crashing it executes get_robust_list(X) to get the
>> address of the robust list
>> and reads the list from /proc/X/mem.
>> Is there another way to get the robust list from another program (by it's pid)?
> The folks doing checkpoint/restart claim to not need this, so there
> might be a way either that or they just haven't hit this problem yet.
> What you are doing sounds like a reasonable use of get_robust_list to me.

CRIU folks, how do you deal with futex robust lists?


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