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| author |   Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2017-05-15 15:30:32 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2017-06-08 18:52:43 -0700 |
| commit | ae91aa0adb14dc33114d566feca2f7cb7a96b8b7 (patch) | |
| tree | d52dfad4c7c9be2acac7c8f0c6890acd38547d60 /Documentation/RCU/Design/Requirements/Requirements.html | |
| parent | srcu: Remove Classic SRCU (diff) | |
| download | linux-dev-ae91aa0adb14dc33114d566feca2f7cb7a96b8b7.tar.xz linux-dev-ae91aa0adb14dc33114d566feca2f7cb7a96b8b7.zip | |
rcu: Remove debugfs tracing
RCU's debugfs tracing used to be the only reasonable low-level debug
information available, but ftrace and event tracing has since surpassed
the RCU debugfs level of usefulness. This commit therefore removes
RCU's debugfs tracing.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'Documentation/RCU/Design/Requirements/Requirements.html')
| -rw-r--r-- | Documentation/RCU/Design/Requirements/Requirements.html | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/RCU/Design/Requirements/Requirements.html b/Documentation/RCU/Design/Requirements/Requirements.html index 0e6550a8c926..95b30fa25d56 100644 --- a/Documentation/RCU/Design/Requirements/Requirements.html +++ b/Documentation/RCU/Design/Requirements/Requirements.html @@ -2034,7 +2034,7 @@ guard against mishaps and misuse: some other synchronization mechanism, for example, reference counting. <li> In kernels built with <tt>CONFIG_RCU_TRACE=y</tt>, RCU-related - information is provided via both debugfs and event tracing. + information is provided via event tracing. <li> Open-coded use of <tt>rcu_assign_pointer()</tt> and <tt>rcu_dereference()</tt> to create typical linked data structures can be surprisingly error-prone. |