aboutsummaryrefslogtreecommitdiff
path: root/include/asm-mips/asmmacro-32.h
diff options
context:
space:
mode:
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2008-10-02 16:06:39 -0700
committerIngo Molnar <mingo@elte.hu>2008-10-03 10:36:08 +0200
commit2133b5d7ff531bc15a923db4a6a50bf96c561be9 (patch)
tree5917515eaec573fbc3d4a734769d6184beb83dbb /include/asm-mips/asmmacro-32.h
parentb5259d944279d0b7e78a83849a352d8ba0447c4c (diff)
rcu: RCU-based detection of stalled CPUs for Classic RCU
This patch adds stalled-CPU detection to Classic RCU. This capability is enabled by a new config variable CONFIG_RCU_CPU_STALL_DETECTOR, which defaults disabled. This is a debugging feature to detect infinite loops in kernel code, not something that non-kernel-hackers would be expected to care about. This feature can detect looping CPUs in !PREEMPT builds and looping CPUs with preemption disabled in PREEMPT builds. This is essentially a port of this functionality from the treercu patch, replacing the stall debug patch that is already in tip/core/rcu (commit 67182ae1c4). The changes from the patch in tip/core/rcu include making the config variable name match that in treercu, changing from seconds to jiffies to avoid spurious warnings, and printing a boot message when this feature is enabled. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-mips/asmmacro-32.h')
0 files changed, 0 insertions, 0 deletions