From: Ingo Molnar <mingo@elte.hu>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
linux-kernel@vger.kernel.org, David Miller <davem@davemloft.net>,
linuxppc-dev@ozlabs.org, Thomas Gleixner <tglx@linutronix.de>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH 0/2] ftrace: fixes for PPC
Date: Sat, 6 Sep 2008 14:03:47 +0200 [thread overview]
Message-ID: <20080906120346.GA30964@elte.hu> (raw)
In-Reply-To: <20080906050602.409299112@goodmis.org>
* Steven Rostedt <rostedt@goodmis.org> wrote:
> I spent the day chasing a bug that would hang PPC on boot up when
> ftrace is configured in. I found that it was simply a stupid bug I did
> to handle the non MCOUNT_RECORD case. Since I was testing only on x86,
> and the MCOUNT_RECORD is automatically set for dynamic ftrace if it is
> available, I did not test the case where MCOUNT_RECORD was not set.
>
> I have not finished porting MCOUNT_RECORD to PPC, but have found that
> it has caused some issues for archs that do not support it yet.
>
> This patch series handles these cases.
applied to tip/tracing/ftrace, thanks Steve.
Ingo
next prev parent reply other threads:[~2008-09-06 12:04 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-06 5:06 [PATCH 0/2] ftrace: fixes for PPC Steven Rostedt
2008-09-06 5:06 ` [PATCH 1/2] ftrace: use ftrace_release for all dynamic ftrace functions Steven Rostedt
2008-09-06 5:06 ` [PATCH 2/2] ftrace: fix unlocking of hash Steven Rostedt
2008-09-06 12:03 ` Ingo Molnar [this message]
2008-10-16 18:14 ` [PATCH 0/2] ftrace: fixes for PPC Josh Boyer
2008-10-16 18:22 ` Steven Rostedt
2008-10-16 18:35 ` Josh Boyer
2008-10-16 18:42 ` Steven Rostedt
2008-10-16 18:45 ` Steven Rostedt
2008-10-16 19:01 ` Josh Boyer
2008-10-20 16:30 ` Steven Rostedt
2008-10-20 17:08 ` Josh Boyer
2008-10-20 17:28 ` Steven Rostedt
2008-10-20 17:42 ` Frédéric Weisbecker
2008-10-20 17:53 ` Steven Rostedt
2008-10-20 21:47 ` Frédéric Weisbecker
2008-10-17 0:48 ` [PATCH] ftrace: powerpc: remove startup functions from tracing Steven Rostedt
2008-10-17 0:50 ` Benjamin Herrenschmidt
2008-10-17 1:04 ` Steven Rostedt
2008-10-17 5:37 ` [PATCH 0/2] ftrace: fixes for PPC Chris Friesen
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