2.4.2* documentation fix for mca_asm.h

@@ -227,7 +227,8 @@
  * saved onto the new stack frame.
  *
  *	+-----------------------+
- *	|NDIRTY [BSP - BSPSTORE]|
+ *	|NDIRTY_WORDS           |
+ *	|       [BSP - BSPSTORE]|
  *	+-----------------------+
  *	|	RNAT		|
  *	+-----------------------+

@@ -245,7 +246,7 @@
 #define  rse_ifs_offset		(rse_pfs_offset+0x08)
 #define  rse_bspstore_offset	(rse_ifs_offset+0x08)
 #define  rse_rnat_offset	(rse_bspstore_offset+0x08)
-#define  rse_ndirty_offset	(rse_rnat_offset+0x08)
+#define  rse_ndirty_words_offset	(rse_rnat_offset+0x08)
 
 /*
  * rse_switch_context

@@ -258,7 +259,8 @@
  *	6. Save the old RNAT on the new stack frame
  *	7. Write BSPSTORE with the new backing store pointer
  *	8. Read and save the new BSP to calculate the #dirty registers
- * NOTE: Look at pages 11-10, 11-11 in PRM Vol 2
+ * NOTE: Look at section 6.11 in Intel IA-64 Architecture Software Developer's
+ *       Manual, Volume 2, System Architecture.
  */
 #define rse_switch_context(temp,p_stackframe,p_bspstore)			\
 	;;									\

@@ -295,12 +297,12 @@
 #define rse_return_context(psr_mask_reg,temp,p_stackframe)			\
 	;;									\
 	alloc   temp=ar.pfs,0,0,0,0;						\
-	add     p_stackframe=rse_ndirty_offset,p_stackframe;;			\
+	add     p_stackframe=rse_ndirty_words_offset,p_stackframe;;		\
 	ld8     temp=[p_stackframe];;						\
 	shl     temp=temp,16;;							\
 	mov     ar.rsc=temp;;							\
 	loadrs;;								\
-	add     p_stackframe=-rse_ndirty_offset+rse_bspstore_offset,p_stackframe;;\
+	add     p_stackframe=-rse_ndirty_words_offset+rse_bspstore_offset,p_stackframe;;\
 	ld8     temp=[p_stackframe];;						\
 	mov     ar.bspstore=temp;;						\
 	add     p_stackframe=-rse_bspstore_offset+rse_rnat_offset,p_stackframe;;\