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Date: Wed, 13 Nov 2013 20:11:45 +0800
From: Fengguang Wu <fengguang.wu@intel.com>
To: John Stultz <john.stultz@linaro.org>
Cc: LKML <linux-kernel@vger.kernel.org>, Peter Zijlstra <peterz@infradead.org>,
        Vivek Goyal <vgoyal@redhat.com>, Jens Axboe <axboe@kernel.dk>,
        Ingo Molnar <mingo@kernel.org>
Subject: Re: [PATCH] block: Employ u64_stats_init()
Message-ID: <20131113121145.GA22849@localhost>
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On Tue, Nov 12, 2013 at 07:42:14PM -0800, John Stultz wrote:
> From: Peter Zijlstra <peterz@infradead.org>
> 
> Now that seqcounts are lockdep enabled objects, we need to properly
> initialize them.

It works!

Tested-by: Fengguang Wu <fengguang.wu@intel.com>

/kernel/i386-randconfig-j7-11082318/cb460d7163af828b404eeb6e06cb236895e7edd6

+-------------------------------------------------+-------+--------------+--------------+
|                                                 | v3.12 | 838cc7b488f8 | cb460d7163af |
+-------------------------------------------------+-------+--------------+--------------+
| boot_successes                                  | 129   | 0            | 100          |
| boot_failures                                   | 1     | 100          |              |
| BUG:kernel_early_hang_without_any_printk_output | 1     |              |              |
| INFO:trying_to_register_non-static_key          | 0     | 100          |              |
+-------------------------------------------------+-------+--------------+--------------+

Thanks,
Fengguang