Merge branch 'linux-2.6'

1 files changed, 11 insertions, 7 deletions

diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 7efcb9c5217..d666f71f1f3 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -191,12 +191,17 @@ int htab_bolt_mapping(unsigned long vstart, unsigned long vend,
                 unsigned long hash, hpteg;
                 unsigned long vsid = get_kernel_vsid(vaddr, ssize);
                 unsigned long va = hpt_va(vaddr, vsid, ssize);
+                unsigned long tprot = prot;
+
+                /* Make kernel text executable */
+                if (in_kernel_text(vaddr))
+                        tprot &= ~HPTE_R_N;
 
                 hash = hpt_hash(va, shift, ssize);
                 hpteg = ((hash & htab_hash_mask) * HPTES_PER_GROUP);
 
                 BUG_ON(!ppc_md.hpte_insert);
-                ret = ppc_md.hpte_insert(hpteg, va, paddr, prot,
+                ret = ppc_md.hpte_insert(hpteg, va, paddr, tprot,
                                          HPTE_V_BOLTED, psize, ssize);
 
                 if (ret < 0)
@@ -586,7 +591,7 @@ void __init htab_initialize(void)
 {
         unsigned long table;
         unsigned long pteg_count;
-        unsigned long prot, tprot;
+        unsigned long prot;
         unsigned long base = 0, size = 0, limit;
         int i;
 
@@ -662,10 +667,9 @@ void __init htab_initialize(void)
         for (i=0; i < lmb.memory.cnt; i++) {
                 base = (unsigned long)__va(lmb.memory.region[i].base);
                 size = lmb.memory.region[i].size;
-                tprot = prot | (in_kernel_text(base) ? _PAGE_EXEC : 0);
 
                 DBG("creating mapping for region: %lx..%lx (prot: %x)\n",
-                    base, size, tprot);
+                    base, size, prot);
 
 #ifdef CONFIG_U3_DART
                 /* Do not map the DART space. Fortunately, it will be aligned
@@ -682,21 +686,21 @@ void __init htab_initialize(void)
                         unsigned long dart_table_end = dart_tablebase + 16 * MB;
                         if (base != dart_tablebase)
                                 BUG_ON(htab_bolt_mapping(base, dart_tablebase,
-                                                        __pa(base), tprot,
+                                                        __pa(base), prot,
                                                         mmu_linear_psize,
                                                         mmu_kernel_ssize));
                         if ((base + size) > dart_table_end)
                                 BUG_ON(htab_bolt_mapping(dart_tablebase+16*MB,
                                                         base + size,
                                                         __pa(dart_table_end),
-                                                         tprot,
+                                                         prot,
                                                          mmu_linear_psize,
                                                          mmu_kernel_ssize));
                         continue;
                 }
 #endif /* CONFIG_U3_DART */
                 BUG_ON(htab_bolt_mapping(base, base + size, __pa(base),
-                                tprot, mmu_linear_psize, mmu_kernel_ssize));
+                                prot, mmu_linear_psize, mmu_kernel_ssize));
        }
 
         /*