[POWERPC] PowerPC: Prevent data exception in kernel space (32-bit)

[sfrench/cifs-2.6.git] / arch / powerpc / mm / hash_low_32.S

diff --git a/arch/powerpc/mm/hash_low_32.S b/arch/powerpc/mm/hash_low_32.S
index ddceefc06ecc0a5554a650e5dbe690959274943a..7f830a4888d6e6bc66488ec2b7da02250174c798 100644 (file)
--- a/arch/powerpc/mm/hash_low_32.S
+++ b/arch/powerpc/mm/hash_low_32.S
@@ -30,7 +30,11 @@
 #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 */
 
 /*
@@ -455,9 +459,15 @@ 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.