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| author | Len Brown <len.brown@intel.com> | 2011-01-12 02:51:20 -0500 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2011-01-12 12:47:33 -0500 |
| commit | 956d033fb2eb3f8818260cdf01644bf4dc1a9e33 (patch) | |
| tree | 261030e0e523010c13084abcd5df9d78fe5e7326 /drivers/idle/intel_idle.c | |
| parent | 642f11c53f17aee991d97d14e6922172849ef227 (diff) | |
| download | lwn-956d033fb2eb3f8818260cdf01644bf4dc1a9e33.tar.gz lwn-956d033fb2eb3f8818260cdf01644bf4dc1a9e33.zip | |
cpuidle: CPUIDLE_FLAG_TLB_FLUSHED is specific to intel_idle
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/idle/intel_idle.c')
| -rw-r--r-- | drivers/idle/intel_idle.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index 21d387132dbc..8256309deaad 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -82,6 +82,14 @@ static int intel_idle(struct cpuidle_device *dev, struct cpuidle_state *state); static struct cpuidle_state *cpuidle_state_table; /* + * Set this flag for states where the HW flushes the TLB for us + * and so we don't need cross-calls to keep it consistent. + * If this flag is set, SW flushes the TLB, so even if the + * HW doesn't do the flushing, this flag is safe to use. + */ +#define CPUIDLE_FLAG_TLB_FLUSHED 0x10000 + +/* * States are indexed by the cstate number, * which is also the index into the MWAIT hint array. * Thus C0 is a dummy. |