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From: Steven Rostedt <rostedt@goodmis.org>
To: linux-kernel@vger.kernel.org
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Peter Zijlstra <peterz@infradead.org>,
	David Miller <davem@davemloft.net>,
	linuxppc-dev@ozlabs.org, Ingo Molnar <mingo@elte.hu>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: [PATCH 0/2] ftrace: fixes for PPC
Date: Sat, 06 Sep 2008 01:06:02 -0400	[thread overview]
Message-ID: <20080906050602.409299112@goodmis.org> (raw)

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.

-- Steve

WARNING: multiple messages have this Message-ID (diff)
From: Steven Rostedt <rostedt@goodmis.org>
To: linux-kernel@vger.kernel.org
Cc: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
	Peter Zijlstra <peterz@infradead.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	David Miller <davem@davemloft.net>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	linuxppc-dev@ozlabs.org
Subject: [PATCH 0/2] ftrace: fixes for PPC
Date: Sat, 06 Sep 2008 01:06:02 -0400	[thread overview]
Message-ID: <20080906050602.409299112@goodmis.org> (raw)

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.

-- Steve


             reply	other threads:[~2008-09-06  5:09 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-06  5:06 Steven Rostedt [this message]
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   ` Steven Rostedt
2008-09-06  5:06 ` [PATCH 2/2] ftrace: fix unlocking of hash Steven Rostedt
2008-09-06  5:06   ` Steven Rostedt
2008-09-06 12:03 ` [PATCH 0/2] ftrace: fixes for PPC Ingo Molnar
2008-09-06 12:03   ` Ingo Molnar
2008-10-16 18:14   ` Josh Boyer
2008-10-16 18:14     ` Josh Boyer
2008-10-16 18:22     ` Steven Rostedt
2008-10-16 18:22       ` Steven Rostedt
2008-10-16 18:35       ` Josh Boyer
2008-10-16 18:35         ` Josh Boyer
2008-10-16 18:42         ` Steven Rostedt
2008-10-16 18:42           ` Steven Rostedt
2008-10-16 18:45         ` Steven Rostedt
2008-10-16 18:45           ` Steven Rostedt
2008-10-16 19:01           ` Josh Boyer
2008-10-16 19:01             ` Josh Boyer
2008-10-20 16:30             ` Steven Rostedt
2008-10-20 16:30               ` Steven Rostedt
2008-10-20 17:08               ` Josh Boyer
2008-10-20 17:08                 ` Josh Boyer
2008-10-20 17:28                 ` Steven Rostedt
2008-10-20 17:28                   ` Steven Rostedt
2008-10-20 17:42                 ` Frédéric Weisbecker
2008-10-20 17:42                   ` Frédéric Weisbecker
2008-10-20 17:53                   ` Steven Rostedt
2008-10-20 17:53                     ` Steven Rostedt
2008-10-20 21:47                     ` Frédéric Weisbecker
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  0:48       ` Steven Rostedt
2008-10-17  0:50       ` Benjamin Herrenschmidt
2008-10-17  0:50         ` Benjamin Herrenschmidt
2008-10-17  1:04         ` Steven Rostedt
2008-10-17  1:04           ` Steven Rostedt
2008-10-17  5:37     ` [PATCH 0/2] ftrace: fixes for PPC Chris Friesen
2008-10-17  5:37       ` Chris Friesen

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