]> err.no Git - linux-2.6/blobdiff - arch/powerpc/mm/hash_low_32.S
[RAPIDIO] Add OF-tree support to RapidIO controller driver
[linux-2.6] / arch / powerpc / mm / hash_low_32.S
index ddceefc06ecc0a5554a650e5dbe690959274943a..ddeaf9e38ad5dd159e257eca31fdddc0c8f4958c 100644 (file)
 #include <asm/asm-offsets.h>
 
 #ifdef CONFIG_SMP
-       .comm   mmu_hash_lock,4
+       .section .bss
+       .align  2
+       .globl mmu_hash_lock
+mmu_hash_lock:
+       .space  4
 #endif /* CONFIG_SMP */
 
 /*
@@ -40,6 +44,9 @@
 #ifdef CONFIG_SMP
        .text
 _GLOBAL(hash_page_sync)
+       mfmsr   r10
+       rlwinm  r0,r10,0,17,15          /* clear bit 16 (MSR_EE) */
+       mtmsr   r0
        lis     r8,mmu_hash_lock@h
        ori     r8,r8,mmu_hash_lock@l
        lis     r0,0x0fff
@@ -56,8 +63,9 @@ _GLOBAL(hash_page_sync)
        eieio
        li      r0,0
        stw     r0,0(r8)
-       blr     
-#endif
+       mtmsr   r10
+       blr
+#endif /* CONFIG_SMP */
 
 /*
  * Load a PTE into the hash table, if possible.
@@ -183,7 +191,7 @@ _GLOBAL(add_hash_page)
        add     r3,r3,r0                /* note create_hpte trims to 24 bits */
 
 #ifdef CONFIG_SMP
-       rlwinm  r8,r1,0,0,18            /* use cpu number to make tag */
+       rlwinm  r8,r1,0,0,(31-THREAD_SHIFT) /* use cpu number to make tag */
        lwz     r8,TI_CPU(r8)           /* to go in mmu_hash_lock */
        oris    r8,r8,12
 #endif /* CONFIG_SMP */
@@ -455,9 +463,15 @@ found_slot:
        sync            /* make sure pte updates get to memory */
        blr
 
-       .comm   next_slot,4
-       .comm   primary_pteg_full,4
-       .comm   htab_hash_searches,4
+       .section .bss
+       .align  2
+next_slot:
+       .space  4
+primary_pteg_full:
+       .space  4
+htab_hash_searches:
+       .space  4
+       .previous
 
 /*
  * Flush the entry for a particular page from the hash table.
@@ -512,7 +526,7 @@ _GLOBAL(flush_hash_pages)
 #ifdef CONFIG_SMP
        addis   r9,r7,mmu_hash_lock@ha
        addi    r9,r9,mmu_hash_lock@l
-       rlwinm  r8,r1,0,0,18
+       rlwinm  r8,r1,0,0,(31-THREAD_SHIFT)
        add     r8,r8,r7
        lwz     r8,TI_CPU(r8)
        oris    r8,r8,9