From: Frederic Weisbecker <fweisbec@gmail.com>
To: sparclinux@vger.kernel.org
Subject: Re: [PATCH 7/7] sparc64: Add function graph tracer support.
Date: Sat, 17 Apr 2010 21:38:18 +0000 [thread overview]
Message-ID: <20100417213817.GD15037@nowhere> (raw)
In-Reply-To: <20100412.234300.212396783.davem@davemloft.net>
On Sat, Apr 17, 2010 at 02:29:06PM -0700, David Miller wrote:
> From: Frederic Weisbecker <fweisbec@gmail.com>
> Date: Sat, 17 Apr 2010 19:22:21 +0200
>
> > I tested the following patch and it fixes the issue after several
> > manual loops of:
>
> Wait, this is completely normal.
>
> NMIs can come in at any time and nmi_enter() emits a trace via the
> rcu_nmi_enter().
>
> This happens on x86 too.
Ok, I've just dropped the protection from the entry path and it runs
fine.
The problem happens on function return path.
I'm going to do some dumps there.
next prev parent reply other threads:[~2010-04-17 21:38 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-13 6:43 [PATCH 7/7] sparc64: Add function graph tracer support David Miller
2010-04-13 19:18 ` Frederic Weisbecker
2010-04-13 19:39 ` Rostedt
2010-04-13 19:45 ` Frederic Weisbecker
2010-04-13 21:34 ` David Miller
2010-04-13 21:35 ` David Miller
2010-04-13 21:51 ` Frederic Weisbecker
2010-04-13 21:52 ` Steven Rostedt
2010-04-13 21:56 ` David Miller
2010-04-13 21:57 ` David Miller
2010-04-13 21:57 ` Frederic Weisbecker
2010-04-13 22:05 ` Frederic Weisbecker
2010-04-13 22:11 ` David Miller
2010-04-13 23:34 ` David Miller
2010-04-13 23:56 ` David Miller
2010-04-14 1:59 ` David Miller
2010-04-14 9:04 ` David Miller
2010-04-14 15:29 ` Frederic Weisbecker
2010-04-14 15:48 ` Frederic Weisbecker
2010-04-14 23:08 ` David Miller
2010-04-16 9:12 ` David Miller
2010-04-16 15:44 ` Frederic Weisbecker
2010-04-16 20:47 ` David Miller
2010-04-16 22:51 ` David Miller
2010-04-16 23:14 ` Frederic Weisbecker
2010-04-16 23:17 ` David Miller
2010-04-17 7:51 ` David Miller
2010-04-17 16:59 ` Frederic Weisbecker
2010-04-17 17:22 ` Frederic Weisbecker
2010-04-17 21:24 ` David Miller
2010-04-17 21:25 ` David Miller
2010-04-17 21:29 ` David Miller
2010-04-17 21:34 ` Frederic Weisbecker
2010-04-17 21:38 ` Frederic Weisbecker [this message]
2010-04-17 21:38 ` David Miller
2010-04-17 21:41 ` Frederic Weisbecker
2010-04-18 15:31 ` Frederic Weisbecker
2010-04-18 21:19 ` David Miller
2010-04-19 7:56 ` David Miller
2010-04-19 8:15 ` David Miller
2010-04-19 19:52 ` Frederic Weisbecker
2010-04-19 19:56 ` David Miller
2010-04-19 20:37 ` Frederic Weisbecker
2010-04-20 5:51 ` David Miller
2010-04-20 7:50 ` David Miller
2010-04-20 13:58 ` Frederic Weisbecker
2010-04-20 21:17 ` David Miller
2010-04-20 22:52 ` Steven Rostedt
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