From 956d033fb2eb3f8818260cdf01644bf4dc1a9e33 Mon Sep 17 00:00:00 2001 From: Len Brown Date: Wed, 12 Jan 2011 02:51:20 -0500 Subject: cpuidle: CPUIDLE_FLAG_TLB_FLUSHED is specific to intel_idle Signed-off-by: Len Brown --- drivers/idle/intel_idle.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers/idle') 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 @@ -81,6 +81,14 @@ 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. -- cgit v1.2.3