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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2014-08-29 00:00:30 +0200 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2014-10-28 21:48:13 +0100 |
| commit | 0eafa46823971b4c368f4cdf19f1d081c4ee52b7 (patch) | |
| tree | 479fd1a6390d499aed97382a193266e026f9a44f /lib | |
| parent | rcu: Make rcu_barrier() understand about missing rcuo kthreads (diff) | |
| download | linux-0eafa46823971b4c368f4cdf19f1d081c4ee52b7.tar.xz linux-0eafa46823971b4c368f4cdf19f1d081c4ee52b7.zip | |
rcu: Remove CONFIG_RCU_CPU_STALL_VERBOSE
The CONFIG_RCU_CPU_STALL_VERBOSE Kconfig parameter causes preemptible
RCU's CPU stall warnings to dump out any preempted tasks that are blocking
the current RCU grace period. This information is useful, and the default
has been CONFIG_RCU_CPU_STALL_VERBOSE=y for some years. It is therefore
time for this commit to remove this Kconfig parameter, so that future
kernel builds will always act as if CONFIG_RCU_CPU_STALL_VERBOSE=y.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 4e35a5d767ed..04e54cd3e948 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1238,18 +1238,6 @@ config RCU_CPU_STALL_TIMEOUT RCU grace period persists, additional CPU stall warnings are printed at more widely spaced intervals. -config RCU_CPU_STALL_VERBOSE - bool "Print additional per-task information for RCU_CPU_STALL_DETECTOR" - depends on TREE_PREEMPT_RCU - default y - help - This option causes RCU to printk detailed per-task information - for any tasks that are stalling the current RCU grace period. - - Say N if you are unsure. - - Say Y if you want to enable such checks. - config RCU_CPU_STALL_INFO bool "Print additional diagnostics on RCU CPU stall" depends on (TREE_RCU || TREE_PREEMPT_RCU) && DEBUG_KERNEL |