patch-2.4.25 linux-2.4.25/include/asm-ppc64/memory.h

• Lines: 38
• Date: 2004-02-18 05:36:32.000000000 -0800
• Orig file: linux-2.4.24/include/asm-ppc64/memory.h
• Orig date: 2003-08-25 04:44:44.000000000 -0700

diff -urN linux-2.4.24/include/asm-ppc64/memory.h linux-2.4.25/include/asm-ppc64/memory.h
@@ -43,22 +43,28 @@
 
 /* Macros for adjusting thread priority (hardware multi-threading) */
 
-#if defined(CONFIG_PPC_ISERIES) || defined(CONFIG_HMT)
+#define HMT_very_low()     asm volatile("or 31,31,31       # very low priority")
 #define HMT_low()	asm volatile("or 1,1,1		# low priority")
+#define HMT_medium_low()   asm volatile("or 6,6,6          # medium low priority")
 #define HMT_medium()	asm volatile("or 2,2,2		# medium priority")
+#define HMT_medium_high()  asm volatile("or 5,5,5          # medium high priority")
 #define HMT_high()	asm volatile("or 3,3,3		# high priority")
 
+#define HMT_VERY_LOW            "\tor   31,31,31        # very low priority\n"
 #define HMT_LOW		"\tor	1,1,1		# low priority\n"
+#define HMT_MEDIUM_LOW          "\tor   6,6,6           # medium low priority\n"
 #define HMT_MEDIUM	"\tor	2,2,2		# medium priority\n"
+#define HMT_MEDIUM_HIGH         "\tor   5,5,5           # medium high priority\n"
 #define HMT_HIGH	"\tor	3,3,3		# high priority\n"
-#else
-#define HMT_low()	do { } while(0)
-#define HMT_medium()	do { } while(0)
-#define HMT_high()	do { } while(0)
 
-#define HMT_LOW
-#define HMT_MEDIUM
-#define HMT_HIGH
-#endif
+/*
+ * Various operational modes for SMT
+ * Off    : never run threaded
+ * On     : always run threaded
+ * Dynamic: Allow the system to switch modes as needed
+ */
+#define SMT_OFF      0
+#define SMT_ON       1
+#define SMT_DYNAMIC  2
 
 #endif