Our PURR ticks at the wrong rate (same as the decrementer). Since it
doesn't really have any value-add besides on partitioned and multithreaded
systems, refrain from using it at the moment.


Index: 2.6.21/include/asm-powerpc/cputable.h
===================================================================
--- 2.6.21.orig/include/asm-powerpc/cputable.h
+++ 2.6.21/include/asm-powerpc/cputable.h
@@ -356,7 +356,7 @@ extern void do_feature_fixups(unsigned l
 #define CPU_FTRS_PA6T (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
 	    CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | \
 	    CPU_FTR_ALTIVEC_COMP | CPU_FTR_CI_LARGE_PAGE | \
-	    CPU_FTR_PURR | CPU_FTR_REAL_LE)
+	    CPU_FTR_REAL_LE)
 #define CPU_FTRS_COMPATIBLE	(CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
 	    CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2)
 

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