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Re: [PATCH v8 00/16] ftrace for MIPS

To: Ralf Baechle <>
Subject: Re: [PATCH v8 00/16] ftrace for MIPS
From: Thomas Gleixner <>
Date: Mon, 16 Nov 2009 15:19:30 +0100 (CET)
Cc: Wu Zhangjin <>,, Frederic Weisbecker <>, Ingo Molnar <>, Nicholas Mc Guire <>, David Daney <>, Richard Sandiford <>, Patrik Kluba <>, Michal Simek <>, "Maciej W . Rozycki" <>,,,,
In-reply-to: <>
Original-recipient: rfc822;
References: <> <>
User-agent: Alpine 2.00 (LFD 1167 2008-08-23)
On Mon, 16 Nov 2009, Ralf Baechle wrote:
> On Sat, Nov 14, 2009 at 02:30:31PM +0800, Wu Zhangjin wrote:
> Time to talk about how to get the whole thing merged.
> I'm reasonably happy with the arch part of the patchset.  There are two
> remaining issues in the arch part - cache flushing will not work as is on
> a SMP system and the whole code patching is going to fail if the kernel
> text is replicated with CONFIG_REPLICATE_KTEXT which is an IP27-only option.
> I suggest we should go ahready and just disallow dynamic ftrace on on
> these problematic configurations for now and deal with them later, so
> something like

Makes sense.
> This leaves the non-arch bits to merge; patches which touch code outside
> of arch/mips are:

I'm going to comment on the patches.



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