[POWERPC] pci32: Remove PowerMac P2P bridge IO hack

[linux-2.6-omap-h63xx.git] / arch / powerpc / kernel / head_fsl_booke.S

diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S
index ee33ddd97ef306e36a49483963ddd2b37034c78b..7aecb39a5a45e806b62fc7d236f820609d398a24 100644 (file)
--- a/arch/powerpc/kernel/head_fsl_booke.S
+++ b/arch/powerpc/kernel/head_fsl_booke.S
@@ -461,8 +461,7 @@ interrupt_base:
        /* If we are faulting a kernel address, we have to use the
         * kernel page tables.
         */
-       lis     r11, TASK_SIZE@h
-       ori     r11, r11, TASK_SIZE@l
+       lis     r11, PAGE_OFFSET@h
        cmplw   0, r10, r11
        bge     2f
 
@@ -584,8 +583,7 @@ interrupt_base:
        /* If we are faulting a kernel address, we have to use the
         * kernel page tables.
         */
-       lis     r11, TASK_SIZE@h
-       ori     r11, r11, TASK_SIZE@l
+       lis     r11, PAGE_OFFSET@h
        cmplw   5, r10, r11
        blt     5, 3f
        lis     r11, swapper_pg_dir@h
@@ -645,8 +643,7 @@ interrupt_base:
        /* If we are faulting a kernel address, we have to use the
         * kernel page tables.
         */
-       lis     r11, TASK_SIZE@h
-       ori     r11, r11, TASK_SIZE@l
+       lis     r11, PAGE_OFFSET@h
        cmplw   5, r10, r11
        blt     5, 3f
        lis     r11, swapper_pg_dir@h
@@ -744,7 +741,7 @@ data_access:
  *     r10 - EA of fault
  *     r11 - TLB (info from Linux PTE)
  *     r12, r13 - available to use
- *     CR5 - results of addr < TASK_SIZE
+ *     CR5 - results of addr >= PAGE_OFFSET
  *     MAS0, MAS1 - loaded with proper value when we get here
  *     MAS2, MAS3 - will need additional info from Linux PTE
  *     Upon exit, we reload everything and RFI.
@@ -1038,7 +1035,7 @@ empty_zero_page:
        .space  4096
        .globl  swapper_pg_dir
 swapper_pg_dir:
-       .space  4096
+       .space  PGD_TABLE_SIZE
 
 /* Reserved 4k for the critical exception stack & 4k for the machine
  * check stack per CPU for kernel mode exceptions */