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From: Chris Wedgwood <cw@f00f.org>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Don Dugger <n0ano@valinux.com>, linux-kernel@vger.kernel.org
Subject: Re: Core dumps for threads
Date: Sun, 25 Feb 2001 22:15:05 +1300	[thread overview]
Message-ID: <20010225221505.A12595@metastasis.f00f.org> (raw)
In-Reply-To: <20010224134523.O26109@valinux.com> <E14WmhG-0000Yj-00@the-village.bc.nu>
In-Reply-To: <E14WmhG-0000Yj-00@the-village.bc.nu>; from alan@lxorguk.ukuu.org.uk on Sat, Feb 24, 2001 at 09:57:44PM +0000

On Sat, Feb 24, 2001 at 09:57:44PM +0000, Alan Cox wrote:

    The I/O to dump the core would race other changes on the mm. The
    right fix is probably to copy the mm (as fork does) then dump the
    copy.

Stupid question... but since all threads see the same memory space as
each other; can we not lock the entire vma for the process whilst
it's being written out?



  --cw

  reply	other threads:[~2001-02-25  9:15 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-02-24 21:45 Core dumps for threads Don Dugger
2001-02-24 21:57 ` Alan Cox
2001-02-25  9:15   ` Chris Wedgwood [this message]
2001-02-25  9:40     ` Adam Fritzler
2001-02-26  0:36       ` davids
2001-02-25 10:28     ` Andi Kleen
2001-02-25 11:03       ` Chris Wedgwood
2001-02-25 13:57     ` Alan Cox
2001-02-27 17:29   ` [PATCH] " Don Dugger
2001-02-27 17:55     ` Alan Cox
2001-02-27 17:57     ` Alan Cox

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