[SPARC64]: Fix incorrect TSB lock bit handling.
[linux-2.6.git] / include / asm-sparc64 / tsb.h
index 1f93b7d..09ab3aa 100644 (file)
  * possible solution is to use RCU for the freeing of the TSB.
  */
 
-#define TSB_TAG_LOCK   (1 << (47 - 32))
+#define TSB_TAG_LOCK_BIT       47
+#define TSB_TAG_LOCK_HIGH      (1 << (TSB_TAG_LOCK_BIT - 32))
 
 #define TSB_MEMBAR     membar  #StoreStore
 
 #define TSB_LOCK_TAG(TSB, REG1, REG2)  \
 99:    lduwa   [TSB] ASI_N, REG1;      \
-       sethi   %hi(TSB_TAG_LOCK), REG2;\
+       sethi   %hi(TSB_TAG_LOCK_HIGH), REG2;\
        andcc   REG1, REG2, %g0;        \
        bne,pn  %icc, 99b;              \
         nop;                           \