diff options
| 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 | |
| parent | 642f11c53f17aee991d97d14e6922172849ef227 (diff) | |
cpuidle: CPUIDLE_FLAG_TLB_FLUSHED is specific to intel_idle
Signed-off-by: Len Brown <len.brown@intel.com>
| -rw-r--r-- | drivers/idle/intel_idle.c | 8 | ||||
| -rw-r--r-- | include/linux/cpuidle.h | 1 |
2 files changed, 8 insertions, 1 deletions
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index 21d387132db..8256309deaa 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. diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h index c2529533738..6be722c725d 100644 --- a/include/linux/cpuidle.h +++ b/include/linux/cpuidle.h @@ -49,7 +49,6 @@ struct cpuidle_state { #define CPUIDLE_FLAG_TIME_VALID (0x01) /* is residency time measurable? */ #define CPUIDLE_FLAG_CHECK_BM (0x02) /* BM activity will exit state */ #define CPUIDLE_FLAG_IGNORE (0x100) /* ignore during this idle period */ -#define CPUIDLE_FLAG_TLB_FLUSHED (0x200) /* tlb will be flushed */ #define CPUIDLE_DRIVER_FLAGS_MASK (0xFFFF0000) |