diff options
Diffstat (limited to 'arch/powerpc/mm')
| -rw-r--r-- | arch/powerpc/mm/hash_low_32.S | 18 | ||||
| -rw-r--r-- | arch/powerpc/mm/hash_utils_64.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/mm/pgtable_64.c | 4 |
3 files changed, 20 insertions, 6 deletions
diff --git a/arch/powerpc/mm/hash_low_32.S b/arch/powerpc/mm/hash_low_32.S index ddceefc..7f830a4 100644 --- a/arch/powerpc/mm/hash_low_32.S +++ b/arch/powerpc/mm/hash_low_32.S @@ -30,7 +30,11 @@ #include <asm/asm-offsets.h> #ifdef CONFIG_SMP - .comm mmu_hash_lock,4 + .section .bss + .align 2 + .globl mmu_hash_lock +mmu_hash_lock: + .space 4 #endif /* CONFIG_SMP */ /* @@ -455,9 +459,15 @@ found_slot: sync /* make sure pte updates get to memory */ blr - .comm next_slot,4 - .comm primary_pteg_full,4 - .comm htab_hash_searches,4 + .section .bss + .align 2 +next_slot: + .space 4 +primary_pteg_full: + .space 4 +htab_hash_searches: + .space 4 + .previous /* * Flush the entry for a particular page from the hash table. diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 028ba4e..4f2f453 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -430,7 +430,7 @@ static void __init htab_finish_init(void) 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 */ +#endif /* CONFIG_PPC_HAS_HASH_64K */ make_bl(htab_call_hpte_insert1, ppc_md.hpte_insert); make_bl(htab_call_hpte_insert2, ppc_md.hpte_insert); @@ -837,7 +837,7 @@ void hash_preload(struct mm_struct *mm, unsigned long ea, if (mm->context.user_psize == MMU_PAGE_64K) __hash_page_64K(ea, access, vsid, ptep, trap, local); else -#endif /* CONFIG_PPC_64K_PAGES */ +#endif /* CONFIG_PPC_HAS_HASH_64K */ __hash_page_4K(ea, access, vsid, ptep, trap, local); local_irq_restore(flags); diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c index 1d44340..ad6e135 100644 --- a/arch/powerpc/mm/pgtable_64.c +++ b/arch/powerpc/mm/pgtable_64.c @@ -322,6 +322,8 @@ EXPORT_SYMBOL(__ioremap); EXPORT_SYMBOL(iounmap); EXPORT_SYMBOL(__iounmap); +static DEFINE_SPINLOCK(phb_io_lock); + void __iomem * reserve_phb_iospace(unsigned long size) { void __iomem *virt_addr; @@ -329,8 +331,10 @@ void __iomem * reserve_phb_iospace(unsigned long size) if (phbs_io_bot >= IMALLOC_BASE) panic("reserve_phb_iospace(): phb io space overflow\n"); + spin_lock(&phb_io_lock); virt_addr = (void __iomem *) phbs_io_bot; phbs_io_bot += size; + spin_unlock(&phb_io_lock); return virt_addr; } |