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From: greg@kroah.com (Greg KH)
To: kernelnewbies@lists.kernelnewbies.org
Subject: Linux do_coredump() and SMP systems
Date: Wed, 18 Feb 2015 08:01:19 -0800	[thread overview]
Message-ID: <20150218160119.GA17417@kroah.com> (raw)
In-Reply-To: <CAP0SO-G8Nq-JpOr0bKzPihG90Mvb_DM3T8vbFGRLmSbPdo=BFw@mail.gmail.com>

On Wed, Feb 18, 2015 at 11:44:32AM +0530, Sudharsan Vijayaraghavan wrote:
> We are doing prototype so much change have gone into kernel , we are
> finding it difficult to upgrade to latest immediately

What changes are you making to the kernel that you are sticking with
such an old version (3.8 is 2 years old now, and over 155 thousand
changes have happened to the kernel since then)?

> However I ran through the code once again, indeed kernel handles it
> down_write(&mm->mmap_sem); in coredump_wait() makes sure the second
> coredump is stopped and returns negative for core_waiters

Great, so it works now?

confused,

greg k-h

  reply	other threads:[~2015-02-18 16:01 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-17 13:41 Linux do_coredump() and SMP systems Sudharsan Vijayaraghavan
2015-02-17 15:12 ` Greg KH
     [not found]   ` <CAP0SO-GBmpMS168SRNAdFmStknC=+4EuAENCvuiaX=mXRvr7hg@mail.gmail.com>
2015-02-18  6:14     ` Sudharsan Vijayaraghavan
2015-02-18 16:01       ` Greg KH [this message]
2015-02-19 12:00         ` Sudharsan Vijayaraghavan

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