diff options
author | Len Brown <len.brown@intel.com> | 2006-06-29 19:57:46 -0400 |
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committer | Len Brown <len.brown@intel.com> | 2006-06-29 19:57:46 -0400 |
commit | d120cfb544ed6161b9d32fb6c4648c471807ee6b (patch) | |
tree | 7757ad0198d8df76ff5c60f939a687687c41da00 /arch/powerpc/mm | |
parent | 9dce0e950dbfab4148f35ac6f297d8638cdc63c4 (diff) | |
parent | bf7e8511088963078484132636839b59e25cf14f (diff) | |
download | blackbird-op-linux-d120cfb544ed6161b9d32fb6c4648c471807ee6b.tar.gz blackbird-op-linux-d120cfb544ed6161b9d32fb6c4648c471807ee6b.zip |
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.c | 3 | ||||
-rw-r--r-- | arch/powerpc/mm/hash_utils_64.c | 106 | ||||
-rw-r--r-- | arch/powerpc/mm/init_64.c | 3 | ||||
-rw-r--r-- | arch/powerpc/mm/mem.c | 11 | ||||
-rw-r--r-- | arch/powerpc/mm/mmu_context_64.c | 2 | ||||
-rw-r--r-- | arch/powerpc/mm/numa.c | 11 |
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 a0f3cbd00d39..c90f124f3c71 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 d03fd2b4445e..3cc6d68f7117 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 9e30f968c184..d454caada265 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 69f3b9a20beb..089d939a0b3e 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 65d18dca266f..e2051efa09c5 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 aa98cb3b59d8..fbe23933f731 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; |