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| author | Suresh Siddha <suresh.b.siddha@intel.com> | 2010-09-30 21:19:07 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2010-09-30 21:19:22 -0400 |
| commit | 6110a1f43c27b516e16d5ce8860fca50748c2a87 (patch) | |
| tree | 021233718337a4a72ba4715f4d0782d5253fec7c /drivers/acpi/apei/einj.c | |
| parent | 9587a678fa56ea6d7f39b048f24f5d03a89bf9b3 (diff) | |
| download | op-kernel-dev-6110a1f43c27b516e16d5ce8860fca50748c2a87.zip op-kernel-dev-6110a1f43c27b516e16d5ce8860fca50748c2a87.tar.gz | |
intel_idle: Voluntary leave_mm before entering deeper
Avoid TLB flush IPIs for the cores in deeper c-states by voluntary leave_mm()
before entering into that state. CPUs tend to flush TLB in those c-states
anyways.
acpi_idle does this with C3-type states, but it was not caried over
when intel_idle was introduced. intel_idle can apply it
to C-states in addition to those that ACPI might export as C3...
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/apei/einj.c')
0 files changed, 0 insertions, 0 deletions
