[PATCH] cpuidle: CPUIDLE_FLAG_TLB_FLUSHED is specific to intel_idle
From: Len Brown <lenb@kernel.org>
Date: 2011-01-12 08:02:32
Subsystem:
cpu idle time management framework, intel idle driver, the rest · Maintainers:
"Rafael J. Wysocki", Daniel Lezcano, Artem Bityutskiy, Artem Bityutskiy, Linus Torvalds
From: Len Brown <redacted> Signed-off-by: Len Brown <redacted> --- drivers/idle/intel_idle.c | 8 ++++++++ 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 21d3871..8256309 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 c252953..6be722c 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)
--
1.7.4.rc1.7.g2cf08