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Date: Thu, 02 Aug 2012 04:11:41 -0700
From: (Eric W. Biederman)
To: richard -rw- weinberger <>
Cc: Kees Cook <>,  Thomas Gleixner <>,,  Randy Dunlap <>,  Darren Hart <>,  Peter Zijlstra <>,  Andrew Morton <>,  Jiri Kosina <>,  David Howells <>,  "Serge E. Hallyn" <>,,,
Subject: Re: [PATCH v2] futex: mark get_robust_list as deprecated

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.


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