Merge master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc

[sfrench/cifs-2.6.git] / arch / powerpc / mm / hash_utils_64.c

diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index d03fd2b4445e1f43e5cde417b760e71f227d9f84..c0d2a694fa3031e5d7ab8d6cce1a371f3a71d044 100644 (file)
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -21,7 +21,6 @@
 #undef DEBUG
 #undef DEBUG_LOW
 
-#include <linux/config.h>
 #include <linux/spinlock.h>
 #include <linux/errno.h>
 #include <linux/sched.h>
@@ -167,34 +166,12 @@ int htab_bolt_mapping(unsigned long vstart, unsigned long vend,
                hash = hpt_hash(va, shift);
                hpteg = ((hash & htab_hash_mask) * HPTES_PER_GROUP);
 
-               /* The crap below can be cleaned once ppd_md.probe() can
-                * set up the hash callbacks, thus we can just used the
-                * normal insert callback here.
-                */
-#ifdef CONFIG_PPC_ISERIES
-               if (machine_is(iseries))
-                       ret = iSeries_hpte_insert(hpteg, va,
-                                                 paddr,
-                                                 tmp_mode,
-                                                 HPTE_V_BOLTED,
-                                                 psize);
-               else
-#endif
-#ifdef CONFIG_PPC_PSERIES
-               if (machine_is(pseries) && firmware_has_feature(FW_FEATURE_LPAR))
-                       ret = pSeries_lpar_hpte_insert(hpteg, va,
-                                                      paddr,
-                                                      tmp_mode,
-                                                      HPTE_V_BOLTED,
-                                                      psize);
-               else
-#endif
-#ifdef CONFIG_PPC_MULTIPLATFORM
-                       ret = native_hpte_insert(hpteg, va,
-                                                paddr,
-                                                tmp_mode, HPTE_V_BOLTED,
-                                                psize);
-#endif
+               DBG("htab_bolt_mapping: calling %p\n", ppc_md.hpte_insert);
+
+               BUG_ON(!ppc_md.hpte_insert);
+               ret = ppc_md.hpte_insert(hpteg, va, paddr,
+                               tmp_mode, HPTE_V_BOLTED, psize);
+
                if (ret < 0)
                        break;
        }
@@ -300,7 +277,7 @@ static void __init htab_init_page_sizes(void)
         * Not in the device-tree, let's fallback on known size
         * list for 16M capable GP & GR
         */
-       if (cpu_has_feature(CPU_FTR_16M_PAGE) && !machine_is(iseries))
+       if (cpu_has_feature(CPU_FTR_16M_PAGE))
                memcpy(mmu_psize_defs, mmu_psize_defaults_gp,
                       sizeof(mmu_psize_defaults_gp));
  found:
@@ -413,6 +390,41 @@ void create_section_mapping(unsigned long start, unsigned long end)
 }
 #endif /* CONFIG_MEMORY_HOTPLUG */
 
+static inline void make_bl(unsigned int *insn_addr, void *func)
+{
+       unsigned long funcp = *((unsigned long *)func);
+       int offset = funcp - (unsigned long)insn_addr;
+
+       *insn_addr = (unsigned int)(0x48000001 | (offset & 0x03fffffc));
+       flush_icache_range((unsigned long)insn_addr, 4+
+                          (unsigned long)insn_addr);
+}
+
+static void __init htab_finish_init(void)
+{
+       extern unsigned int *htab_call_hpte_insert1;
+       extern unsigned int *htab_call_hpte_insert2;
+       extern unsigned int *htab_call_hpte_remove;
+       extern unsigned int *htab_call_hpte_updatepp;
+
+#ifdef CONFIG_PPC_64K_PAGES
+       extern unsigned int *ht64_call_hpte_insert1;
+       extern unsigned int *ht64_call_hpte_insert2;
+       extern unsigned int *ht64_call_hpte_remove;
+       extern unsigned int *ht64_call_hpte_updatepp;
+
+       make_bl(ht64_call_hpte_insert1, ppc_md.hpte_insert);
+       make_bl(ht64_call_hpte_insert2, ppc_md.hpte_insert);
+       make_bl(ht64_call_hpte_remove, ppc_md.hpte_remove);
+       make_bl(ht64_call_hpte_updatepp, ppc_md.hpte_updatepp);
+#endif /* CONFIG_PPC_64K_PAGES */
+
+       make_bl(htab_call_hpte_insert1, ppc_md.hpte_insert);
+       make_bl(htab_call_hpte_insert2, ppc_md.hpte_insert);
+       make_bl(htab_call_hpte_remove, ppc_md.hpte_remove);
+       make_bl(htab_call_hpte_updatepp, ppc_md.hpte_updatepp);
+}
+
 void __init htab_initialize(void)
 {
        unsigned long table;
@@ -525,6 +537,8 @@ void __init htab_initialize(void)
                                         mmu_linear_psize));
        }
 
+       htab_finish_init();
+
        DBG(" <- htab_initialize()\n");
 }
 #undef KB
@@ -787,16 +801,6 @@ void flush_hash_range(unsigned long number, int local)
        }
 }
 
-static inline void make_bl(unsigned int *insn_addr, void *func)
-{
-       unsigned long funcp = *((unsigned long *)func);
-       int offset = funcp - (unsigned long)insn_addr;
-
-       *insn_addr = (unsigned int)(0x48000001 | (offset & 0x03fffffc));
-       flush_icache_range((unsigned long)insn_addr, 4+
-                          (unsigned long)insn_addr);
-}
-
 /*
  * low_hash_fault is called when we the low level hash code failed
  * to instert a PTE due to an hypervisor error
@@ -815,28 +819,3 @@ void low_hash_fault(struct pt_regs *regs, unsigned long address)
        }
        bad_page_fault(regs, address, SIGBUS);
 }
-
-void __init htab_finish_init(void)
-{
-       extern unsigned int *htab_call_hpte_insert1;
-       extern unsigned int *htab_call_hpte_insert2;
-       extern unsigned int *htab_call_hpte_remove;
-       extern unsigned int *htab_call_hpte_updatepp;
-
-#ifdef CONFIG_PPC_64K_PAGES
-       extern unsigned int *ht64_call_hpte_insert1;
-       extern unsigned int *ht64_call_hpte_insert2;
-       extern unsigned int *ht64_call_hpte_remove;
-       extern unsigned int *ht64_call_hpte_updatepp;
-
-       make_bl(ht64_call_hpte_insert1, ppc_md.hpte_insert);
-       make_bl(ht64_call_hpte_insert2, ppc_md.hpte_insert);
-       make_bl(ht64_call_hpte_remove, ppc_md.hpte_remove);
-       make_bl(ht64_call_hpte_updatepp, ppc_md.hpte_updatepp);
-#endif /* CONFIG_PPC_64K_PAGES */
-
-       make_bl(htab_call_hpte_insert1, ppc_md.hpte_insert);
-       make_bl(htab_call_hpte_insert2, ppc_md.hpte_insert);
-       make_bl(htab_call_hpte_remove, ppc_md.hpte_remove);
-       make_bl(htab_call_hpte_updatepp, ppc_md.hpte_updatepp);
-}