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| author |   Toshi Kani <toshi.kani@hp.com> | 2012-03-31 21:37:02 -0600 |
|---|---|---|
| committer |   Len Brown <len.brown@intel.com> | 2012-04-06 15:01:25 -0400 |
| commit | ee01e663373343c63e0e3d364d09f6155378dbcc (patch) | |
| tree | 22448567769278f9af4f8bff9bfc7653be94885c /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | ACPI processor: Use safe_halt() rather than halt() in acpi_idle_play_dead() (diff) | |
| download | wireguard-linux-ee01e663373343c63e0e3d364d09f6155378dbcc.tar.xz wireguard-linux-ee01e663373343c63e0e3d364d09f6155378dbcc.zip | |
cpuidle: Fix panic in CPU off-lining with no idle driver
Fix a NULL pointer dereference panic in cpuidle_play_dead() during
CPU off-lining when no cpuidle driver is registered. A cpuidle
driver may be registered at boot-time based on CPU type. This patch
allows an off-lined CPU to enter HLT-based idle in this condition.
Signed-off-by: Toshi Kani <toshi.kani@hp.com>
Cc: Boris Ostrovsky <boris.ostrovsky@amd.com>
Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Tested-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions