cpuidle: CPUIDLE_FLAG_TLB_FLUSHED is specific to intel_idle

Signed-off-by: Len Brown <len.brown@intel.com>

cpuidle: CPUIDLE_FLAG_TLB_FLUSHED is specific to intel_idle
Signed-off-by: Len Brown <len.brown@intel.com>
Len Brown
1 parent 642f11c53f
Showing 2 changed files with 8 additions and 1 deletions Side-by-side Diff
drivers/idle/intel_idle.c
include/linux/cpuidle.h
@@ -82,6 +82,14 @@
 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.
@@ -49,7 +49,6 @@
 #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)
...	...	@@ -82,6 +82,14 @@
82	82	static struct cpuidle_state *cpuidle_state_table;
83	83
84	84	/*
	85	+ * Set this flag for states where the HW flushes the TLB for us
	86	+ * and so we don't need cross-calls to keep it consistent.
	87	+ * If this flag is set, SW flushes the TLB, so even if the
	88	+ * HW doesn't do the flushing, this flag is safe to use.
	89	+ */
	90	+#define CPUIDLE_FLAG_TLB_FLUSHED 0x10000
	91	+
	92	+/*
85	93	* States are indexed by the cstate number,
86	94	* which is also the index into the MWAIT hint array.
87	95	* Thus C0 is a dummy.
...	...	@@ -49,7 +49,6 @@
49	49	#define CPUIDLE_FLAG_TIME_VALID (0x01) /* is residency time measurable? */
50	50	#define CPUIDLE_FLAG_CHECK_BM (0x02) /* BM activity will exit state */
51	51	#define CPUIDLE_FLAG_IGNORE (0x100) /* ignore during this idle period */
52		-#define CPUIDLE_FLAG_TLB_FLUSHED (0x200) /* tlb will be flushed */
53	52
54	53	#define CPUIDLE_DRIVER_FLAGS_MASK (0xFFFF0000)
55	54