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| author | Suresh Siddha <[email protected]> | 2010-10-01 01:19:07 +0000 |
|---|---|---|
| committer | Len Brown <[email protected]> | 2010-10-01 01:19:22 +0000 |
| commit | 6110a1f43c27b516e16d5ce8860fca50748c2a87 (patch) | |
| tree | 021233718337a4a72ba4715f4d0782d5253fec7c /lib/dynamic_debug.c | |
| parent | Merge branch 'meego-7093' into idle-release (diff) | |
| download | kernel-6110a1f43c27b516e16d5ce8860fca50748c2a87.tar.gz kernel-6110a1f43c27b516e16d5ce8860fca50748c2a87.zip | |
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 <[email protected]>
Signed-off-by: Len Brown <[email protected]>
Diffstat (limited to 'lib/dynamic_debug.c')
0 files changed, 0 insertions, 0 deletions