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From: "Kawai, Hidehiro" <hidehiro.kawai.ez@hitachi.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	kernel list <linux-kernel@vger.kernel.org>,
	Robin Holt <holt@sgi.com>, David Howells <dhowells@redhat.com>,
	Alan Cox <alan@lxorguk.ukuu.org.uk>,
	Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
	sugita <yumiko.sugita.yf@hitachi.com>,
	Satoshi OSHIMA <soshima@redhat.com>,
	Hideo AOKI <haoki@redhat.com>
Subject: Re: [PATCH 4/4] coredump: documentation for proc entry
Date: Tue, 20 Mar 2007 20:11:36 +0900	[thread overview]
Message-ID: <45FFC168.9010807@hitachi.com> (raw)
In-Reply-To: <20070302093543.GB2001@elf.ucw.cz>

Hi Pavel,
I'm sorry for my late reply.

Pavel Machek wrote:

> Hi!
> 
>>+If you don't want to dump all shared memory segments attached to pid 1234,
>>+write 0 to the process's proc file.
>>+
>>+  $ echo 1 > /proc/1234/coredump_omit_anonymous_shared
> 
> Write 0?

Thank you for pointing out. 
It seems I mistook when I changed the documents.
`write 1' is correct.


>>+When a new process is created, the process inherits the flag status from its
>>+parent. It is useful to set the flag before the program runs.
>>+For example:
>>+
>>+  $ echo 1 > /proc/self/coredump_omit_anonymous_shared
>>+  $ ./some_program
>>+
> 
> Notice that this docs is wrong. You have to retry until kernel stops
> producing spurious errors.
> 									Pavel
 
I'll fix the patchset so that kernel doesn't produce the spurious error.

For answers to your another mail, please wait a few days.
I'm still considering the answer partly. 

Thanks,
-- 
Hidehiro Kawai
Hitachi, Ltd., Systems Development Laboratory



  reply	other threads:[~2007-03-20 11:12 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-02  4:41 [PATCH 0/4] coredump: core dump masking support v4 Kawai, Hidehiro
2007-03-02  4:47 ` [PATCH 1/4] coredump: add an interface to control the core dump routine Kawai, Hidehiro
2007-03-02  9:34   ` Pavel Machek
2007-03-26 13:02     ` Kawai, Hidehiro
2007-03-29 10:49       ` Pavel Machek
2007-03-29 19:16       ` David Howells
2007-03-29 21:17         ` Andrew Morton
2007-03-30 10:29           ` Kawai, Hidehiro
2007-03-30 16:10             ` Andrew Morton
2007-03-31 13:03             ` David Howells
2007-03-02  4:49 ` [PATCH 2/4] coredump: ELF: enable to omit anonymous shared memory Kawai, Hidehiro
2007-03-02  4:50 ` [PATCH 3/4] coredump: ELF-FDPIC: " Kawai, Hidehiro
2007-03-02  4:51 ` [PATCH 4/4] coredump: documentation for proc entry Kawai, Hidehiro
2007-03-02  9:35   ` Pavel Machek
2007-03-20 11:11     ` Kawai, Hidehiro [this message]
2007-03-15 20:37 ` [PATCH 0/4] coredump: core dump masking support v4 Andrew Morton
2007-03-23 13:13   ` Kawai, Hidehiro
2007-03-28 12:37     ` Kawai, Hidehiro
2007-03-28 17:32       ` Andrew Morton
  -- strict thread matches above, loose matches on Subject: below --
2007-02-16 13:34 [PATCH 0/4] coredump: core dump masking support v3 Kawai, Hidehiro
2007-02-16 13:42 ` [PATCH 4/4] coredump: documentation for proc entry Kawai, Hidehiro

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