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From: Ingo Molnar <mingo@kernel.org>
To: Mandeep Singh Baines <msb@chromium.org>
Cc: linux-kernel@vger.kernel.org, Oleg Nesterov <oleg@redhat.com>,
	Tejun Heo <tj@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	"Rafael J. Wysocki" <rjw@sisk.pl>, Ingo Molnar <mingo@redhat.com>
Subject: Re: [PATCH 2/5] lockdep: check that no locks held at freeze time
Date: Fri, 15 Feb 2013 12:16:35 +0100	[thread overview]
Message-ID: <20130215111635.GA26955@gmail.com> (raw)
In-Reply-To: <1360885096-21207-2-git-send-email-msb@chromium.org>


* Mandeep Singh Baines <msb@chromium.org> wrote:

> --- a/kernel/lockdep.c
> +++ b/kernel/lockdep.c
> @@ -4091,10 +4091,10 @@ static void print_held_locks_bug(struct task_struct *curr)
>  		return;
>  
>  	printk("\n");
> -	printk("=====================================\n");
> -	printk("[ BUG: lock held at task exit time! ]\n");
> +	printk("=======================================\n");
> +	printk("[ BUG: lock held at exit/freeze time! ]\n");

Looks good, but to make it more apparent which case triggers, 
please pass in a 'msg' string that gets printed - and the msg is 
either "exit" or "freeze", depending on from where it's called.

Thanks,

	Ingo

  reply	other threads:[~2013-02-15 11:16 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-14 23:38 [PATCH 1/5] vfork: don't freezer_count() for in-kernel users of CLONE_VFORK Mandeep Singh Baines
2013-02-14 23:38 ` [PATCH 2/5] lockdep: check that no locks held at freeze time Mandeep Singh Baines
2013-02-15 11:16   ` Ingo Molnar [this message]
2013-02-15 15:44   ` Oleg Nesterov
2013-02-14 23:38 ` [PATCH 3/5] coredump: cleanup the waiting for coredump_finish code Mandeep Singh Baines
2013-02-15 14:53   ` Oleg Nesterov
2013-02-15 23:30   ` Andrew Morton
2013-02-14 23:38 ` [PATCH 4/5] coredump: use a freezable_schedule for the coredump_finish wait Mandeep Singh Baines
2013-02-14 23:38 ` [PATCH 5/5] coredump: abort core dump piping only due to a fatal signal Mandeep Singh Baines
2013-02-15 15:01   ` Oleg Nesterov
2013-02-16  1:20     ` Mandeep Singh Baines
2013-02-16 17:05       ` Oleg Nesterov
2013-02-15 23:25   ` Andrew Morton
2013-02-16  0:09   ` [PATCH v3] coredump: ignore non-fatal signals when core dumping to a pipe Mandeep Singh Baines
2013-02-16  0:57     ` [PATCH v4] " Mandeep Singh Baines
2013-02-15 15:28 ` [PATCH 1/5] vfork: don't freezer_count() for in-kernel users of CLONE_VFORK Oleg Nesterov
  -- strict thread matches above, loose matches on Subject: below --
2013-02-16  9:53 Mandeep Singh Baines
2013-02-16  9:53 ` [PATCH 2/5] lockdep: check that no locks held at freeze time Mandeep Singh Baines
2013-02-16 17:06   ` Oleg Nesterov

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