From: Peter Zijlstra <peterz@infradead.org>
To: Wang Yufen <wangyufen@huawei.com>
Cc: linux-kernel@vger.kernel.org, mingo@redhat.com,
guohanjun@huawei.com, dingtianhong@huawei.com,
Ma Jun <majun258@huawei.com>
Subject: Re: [PATCH] trace/irq: fix WARNING in check_flags while CONFIG_TRACE_IRQFLAGS opened
Date: Mon, 22 Feb 2016 13:26:51 +0100 [thread overview]
Message-ID: <20160222122651.GG6357@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <1456135605-8888-1-git-send-email-wangyufen@huawei.com>
On Mon, Feb 22, 2016 at 06:06:45PM +0800, Wang Yufen wrote:
> if CONFIG_TRACE_IRQFLAGS opened, we got that warning:
> [ 214.078880] ------------[ cut here ]------------
>
> [ 214.083521] WARNING: CPU: 4 PID: 1 at kernel/locking/lockdep.c:3557
> check_flags.part.40+0x1c0/0x1d0()
I'm not entirely sure how to open a CONFIG_ symbol, but when I have it
enabled, I do not get this warning.
So your report is missing some critical information.
prev parent reply other threads:[~2016-02-22 12:26 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-22 10:06 Wang Yufen
2016-02-22 12:26 ` Peter Zijlstra [this message]
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