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authorLen Brown <len.brown@intel.com>2006-06-29 19:57:46 -0400
committerLen Brown <len.brown@intel.com>2006-06-29 19:57:46 -0400
commitd120cfb544ed6161b9d32fb6c4648c471807ee6b (patch)
tree7757ad0198d8df76ff5c60f939a687687c41da00 /arch/powerpc/mm
parent9dce0e950dbfab4148f35ac6f297d8638cdc63c4 (diff)
parentbf7e8511088963078484132636839b59e25cf14f (diff)
merge linus into release branch
Conflicts: drivers/acpi/acpi_memhotplug.c
Diffstat (limited to 'arch/powerpc/mm')
-rw-r--r--arch/powerpc/mm/hash_native_64.c3
-rw-r--r--arch/powerpc/mm/hash_utils_64.c106
-rw-r--r--arch/powerpc/mm/init_64.c3
-rw-r--r--arch/powerpc/mm/mem.c11
-rw-r--r--arch/powerpc/mm/mmu_context_64.c2
-rw-r--r--arch/powerpc/mm/numa.c11
6 files changed, 62 insertions, 74 deletions
diff --git a/arch/powerpc/mm/hash_native_64.c b/arch/powerpc/mm/hash_native_64.c
index a0f3cbd00d3..c90f124f3c7 100644
--- a/arch/powerpc/mm/hash_native_64.c
+++ b/arch/powerpc/mm/hash_native_64.c
@@ -520,7 +520,7 @@ static inline int tlb_batching_enabled(void)
}
#endif
-void hpte_init_native(void)
+void __init hpte_init_native(void)
{
ppc_md.hpte_invalidate = native_hpte_invalidate;
ppc_md.hpte_updatepp = native_hpte_updatepp;
@@ -530,5 +530,4 @@ void hpte_init_native(void)
ppc_md.hpte_clear_all = native_hpte_clear;
if (tlb_batching_enabled())
ppc_md.flush_hash_range = native_flush_hash_range;
- htab_finish_init();
}
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index d03fd2b4445..3cc6d68f711 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -167,34 +167,12 @@ 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;
}
@@ -413,6 +391,41 @@ 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 +538,8 @@ void __init htab_initialize(void)
mmu_linear_psize));
}
+ htab_finish_init();
+
DBG(" <- htab_initialize()\n");
}
#undef KB
@@ -787,16 +802,6 @@ 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 +820,3 @@ 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);
-}
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index 9e30f968c18..d454caada26 100644
--- a/arch/powerpc/mm/init_64.c
+++ b/arch/powerpc/mm/init_64.c
@@ -41,6 +41,7 @@
#include <linux/idr.h>
#include <linux/nodemask.h>
#include <linux/module.h>
+#include <linux/poison.h>
#include <asm/pgalloc.h>
#include <asm/page.h>
@@ -90,7 +91,7 @@ void free_initmem(void)
addr = (unsigned long)__init_begin;
for (; addr < (unsigned long)__init_end; addr += PAGE_SIZE) {
- memset((void *)addr, 0xcc, PAGE_SIZE);
+ memset((void *)addr, POISON_FREE_INITMEM, PAGE_SIZE);
ClearPageReserved(virt_to_page(addr));
init_page_count(virt_to_page(addr));
free_page(addr);
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 69f3b9a20be..089d939a0b3 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -114,15 +114,20 @@ void online_page(struct page *page)
num_physpages++;
}
-int __devinit add_memory(u64 start, u64 size)
+#ifdef CONFIG_NUMA
+int memory_add_physaddr_to_nid(u64 start)
+{
+ return hot_add_scn_to_nid(start);
+}
+#endif
+
+int __devinit arch_add_memory(int nid, u64 start, u64 size)
{
struct pglist_data *pgdata;
struct zone *zone;
- int nid;
unsigned long start_pfn = start >> PAGE_SHIFT;
unsigned long nr_pages = size >> PAGE_SHIFT;
- nid = hot_add_scn_to_nid(start);
pgdata = NODE_DATA(nid);
start = (unsigned long)__va(start);
diff --git a/arch/powerpc/mm/mmu_context_64.c b/arch/powerpc/mm/mmu_context_64.c
index 65d18dca266..e2051efa09c 100644
--- a/arch/powerpc/mm/mmu_context_64.c
+++ b/arch/powerpc/mm/mmu_context_64.c
@@ -44,7 +44,9 @@ again:
return err;
if (index > MAX_CONTEXT) {
+ spin_lock(&mmu_context_lock);
idr_remove(&mmu_context_idr, index);
+ spin_unlock(&mmu_context_lock);
return -ENOMEM;
}
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index aa98cb3b59d..fbe23933f73 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -334,7 +334,7 @@ out:
return nid;
}
-static int cpu_numa_callback(struct notifier_block *nfb,
+static int __cpuinit cpu_numa_callback(struct notifier_block *nfb,
unsigned long action,
void *hcpu)
{
@@ -609,14 +609,15 @@ static void __init *careful_allocation(int nid, unsigned long size,
return (void *)ret;
}
+static struct notifier_block __cpuinitdata ppc64_numa_nb = {
+ .notifier_call = cpu_numa_callback,
+ .priority = 1 /* Must run before sched domains notifier. */
+};
+
void __init do_init_bootmem(void)
{
int nid;
unsigned int i;
- static struct notifier_block ppc64_numa_nb = {
- .notifier_call = cpu_numa_callback,
- .priority = 1 /* Must run before sched domains notifier. */
- };
min_low_pfn = 0;
max_low_pfn = lmb_end_of_DRAM() >> PAGE_SHIFT;