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Date: Wed, 04 Sep 2013 10:35:52 -0400
From: Steven Rostedt <rostedt@...dmis.org>
To: linux-kernel@...r.kernel.org
Cc: Ingo Molnar <mingo@...nel.org>,
Frederic Weisbecker <fweisbec@...il.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Peter Zijlstra <peterz@...radead.org>,
Thomas Gleixner <tglx@...utronix.de>,
"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: [for-next][PATCH 00/18] ftrace/rcu: Handle unsafe RCU functions and ftrace callbacks
This is the latest patches to be queued for 3.12.
A little late, but as Dave Jones has been stumbling over this for a
while, I thought it would be good to get it in now. It's not that
complex to resolve any issues that may pop up.
I'll keep it in linux-next for a while to make sure it really is clean.
Note, the checker will stumble over a few functions in irq and scheduler
code if enabled. This is because those patches have not received Acks
from Thomas Gleixner and Peter Zijlstra. When I get those acks, I'll
add the changes to silent those too.
Thanks to Paul McKenney for reviewing the patches.
Enjoy,
-- Steve
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git
for-next
Head SHA1: 7fb3a66134ed5a40448131cf4195823d22f70aa3
Alexander Z Lam (1)
tracing: Make tracing_cpumask available for all instances
Steven Rostedt (Red Hat) (17)
ftrace: Fix a slight race in modifying what function callback gets traced
ftrace/rcu: Do not trace debug_lockdep_rcu_enabled()
ftrace: Add hash list to save RCU unsafe functions
ftrace: Do not set ftrace records for unsafe RCU when not allowed
ftrace: Set ftrace internal function tracing RCU safe
ftrace: Add test for ops against unsafe RCU functions in callback
ftrace: Do not display non safe RCU functions in available_filter_functions
ftrace: Add rcu_unsafe_filter_functions file
ftrace: Add selftest to check if RCU unsafe functions are filtered properly
ftrace: Create a RCU unsafe checker
ftrace: Add infrastructure to stop RCU unsafe checker from checking
ftrace: Disable RCU unsafe checker when function graph is enabled
ftrace: Disable the RCU unsafe checker when irqsoff is enabled
ftrace/lockdep: Have the RCU lockdep splat show what function triggered
ftrace/rcu: Mark functions that are RCU unsafe
ftrace/cpuidle/x86: Mark functions that are RCU unsafe
ftrace: Print a message when the rcu checker is disabled
----
b/arch/x86/kernel/process.c | 2
b/drivers/cpuidle/cpuidle.c | 2
b/include/asm-generic/vmlinux.lds.h | 10 +
b/include/linux/ftrace.h | 38 +++++
b/kernel/cpu/idle.c | 2
b/kernel/lockdep.c | 2
b/kernel/rcupdate.c | 2
b/kernel/rcutiny.c | 1
b/kernel/rcutree.c | 7 +
b/kernel/trace/Kconfig | 22 +++
b/kernel/trace/ftrace.c | 17 ++
b/kernel/trace/trace.c | 37 ++---
b/kernel/trace/trace.h | 1
b/kernel/trace/trace_functions.c | 48 ++++++-
b/kernel/trace/trace_irqsoff.c | 16 ++
b/kernel/trace/trace_selftest.c | 94 +++++++++++++
b/kernel/trace/trace_selftest_dynamic.c | 7 +
include/linux/ftrace.h | 8 +
kernel/trace/ftrace.c | 218 +++++++++++++++++++++++++++++---
kernel/trace/trace.h | 17 ++
kernel/trace/trace_functions.c | 40 +++++
21 files changed, 551 insertions(+), 40 deletions(-)
--
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