linux-kernel - Re: [GIT PULL v2] tracing/kprobes: v1 + two fixes

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Date:	Thu, 27 Aug 2009 17:24:38 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Li Zefan <lizf@...fujitsu.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Masami Hiramatsu <mhiramat@...hat.com>
Subject: Re: [GIT PULL v2] tracing/kprobes: v1 + two fixes


* Frederic Weisbecker <fweisbec@...il.com> wrote:

> Ingo,
> 
> This v2 can be either pulled after tracing/kprobes (the v1) or can 
> be pulled alone, it is based on the previous one and addresses 
> reviews from Li Zefan.
> 
> Thanks,
> Frederic.
> 
> The following changes since commit 24851d2447830e6cba4c4b641cb73e713f312373:
>   Frederic Weisbecker (1):
>         tracing/kprobes: Dump the culprit kprobe in case of kprobe recursion
> 
> are available in the git repository at:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing.git \
> 	tracing/kprobes-2
> 
> Frederic Weisbecker (2):
>       tracing: Restore the const qualifier for field names and types definition
>       tracing: Remove unneeded pointer casts
> 
>  include/linux/ftrace_event.h  |    6 +++---
>  kernel/trace/trace_events.c   |    4 ++--
>  kernel/trace/trace_syscalls.c |    8 ++++----
>  3 files changed, 9 insertions(+), 9 deletions(-)

I've pulled it into a staging branch (not yet in tip:master either 
and not yet on the road to upstream either), thanks guys!

I have done some brief testing. One hickup is this build failure on 
x86, caused by the kprobes instruction decoder self-test:

   CHK     include/linux/compile.h
   TEST    posttest
 Error: 41001024:        a1 08 30 c9 41          mov    
 0x41c93008,%eax
 Error: objdump says 5 bytes, but insn_get_length() says 9 (attr:40000)

another one is this build warning:

 In file included from include/trace/events/napi.h:5,
                  from net/core/net-traces.c:28:
 include/linux/tracepoint.h:285:1: warning: "TRACE_EVENT_FN" redefined
 In file included from include/trace/define_trace.h:61,
                  from include/trace/events/skb.h:40,
                  from net/core/net-traces.c:27:
 include/trace/ftrace.h:50:1: warning: this is the location of the previous definition

config attached.

	Ingo

View attachment "config" of type "text/plain" (62962 bytes)