linux-kernel - [RFC 3/4] cpuidle : move tlb flag to the cpuidle header

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Message-Id: <1339171365-4098-3-git-send-email-daniel.lezcano@linaro.org>
Date:	Fri,  8 Jun 2012 18:02:44 +0200
From:	Daniel Lezcano <daniel.lezcano@...aro.org>
To:	lenb@...nel.org
Cc:	linux-pm@...ts.linux-foundation.org, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org, linaro-dev@...ts.linaro.org
Subject: [RFC 3/4] cpuidle : move tlb flag to the cpuidle header

Move this specific flag to the header file.

Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
---
 drivers/idle/intel_idle.c |    8 --------
 include/linux/cpuidle.h   |    7 +++++++
 2 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index d0f59c3..3456fc9 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -100,14 +100,6 @@ static int intel_idle(struct cpuidle_device *dev,
 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 f5915e9..aafacd4 100644
--- a/include/linux/cpuidle.h
+++ b/include/linux/cpuidle.h
@@ -64,9 +64,16 @@ struct cpuidle_state {
  *                            the cpuidle core the specified state can use the  *
  *                            enter_dead function.                              *
  *                                                                              *
+ * CPUIDLE_FLAG_TLB_FLUSHED : 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_TIME_VALID  0x01
 #define CPUIDLE_FLAG_DEAD_VALID  0x02
+#define CPUIDLE_FLAG_TLB_FLUSHED 0x04
 
 /**
  * cpuidle_get_statedata - retrieves private driver state data
-- 
1.7.5.4

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