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From: David Howells <dhowells@redhat.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: "Kawai, Hidehiro" <hidehiro.kawai.ez@hitachi.com>,
	Pavel Machek <pavel@ucw.cz>,
	kernel list <linux-kernel@vger.kernel.org>,
	Robin Holt <holt@sgi.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 1/4] coredump: add an interface to control the core dump routine
Date: Sat, 31 Mar 2007 14:03:25 +0100	[thread overview]
Message-ID: <3014.1175346205@redhat.com> (raw)
In-Reply-To: <20070330091028.cf884d4c.akpm@linux-foundation.org>

Andrew Morton <akpm@linux-foundation.org> wrote:

> Yes, I agree - I don't think we presently have a way of avoiding having
> to send all of that uninteresting data down the pipe.

Have the kernel fork and exec a debug program "just in time" with the dying
process ptrace-attached in advance.  That program could then use ptrace() or
whatever to do the coredump.  I think Windows does something like that.

David

  parent reply	other threads:[~2007-03-31 13:03 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 [this message]
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
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 13:39 ` [PATCH 1/4] coredump: add an interface to control the core dump routine Kawai, Hidehiro

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