linux-kernel - Re: [PATCH -mm 0/3] coredump: make it freezable (almost)

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Message-ID: <20130228184622.GA5500@redhat.com>
Date:	Thu, 28 Feb 2013 19:46:22 +0100
From:	Oleg Nesterov <oleg@...hat.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Mandeep Singh Baines <msb@...omium.org>,
	Neil Horman <nhorman@...hat.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>, Tejun Heo <tj@...nel.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH -mm 0/3] coredump: make it freezable (almost)

On 02/25, Andrew Morton wrote:
>
> On Sun, 24 Feb 2013 18:31:44 +0100
> Oleg Nesterov <oleg@...hat.com> wrote:
>
> > Hello.
> >
> > On top of coredump-sanitize-the-setting-of-signal-group_exit_code.patch
> >
> > Andrew, "almost" means we need a bit more changes, but these
> > changes should be absolutely trivial/straightforward.
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Andrew, I lied :/

> Thanks.  I still have these marked "for 3.10".
>
> coredump-only-sigkill-should-interrupt-the-coredumping-task.patch
> coredump-ensure-that-sigkill-always-kills-the-dumping-thread.patch
> coredump-sanitize-the-setting-of-signal-group_exit_code.patch

Yes, thanks. But please drop the last series:

> coredump-factor-out-the-setting-of-pf_dumpcore.patch
> freezer-do-not-send-a-fake-signal-to-a-pf_dumpcore-thread.patch
> coredump-make-wait_for_dump_helpers-freezable.patch

As Mandeep pointed out (thanks!), this is not enough to make
dump_write/etc freezer-friendly.

I'll send another version.

Oleg.

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