[PATCH 29/65] powerpc/mm: Abstraction for early init routines

Aneesh Kumar K.V aneesh.kumar at linux.vnet.ibm.com
Sun Mar 27 19:23:37 AEDT 2016


Signed-off-by: Aneesh Kumar K.V <aneesh.kumar at linux.vnet.ibm.com>
---
 arch/powerpc/include/asm/book3s/64/mmu.h | 20 ++++++++++++++++++++
 arch/powerpc/include/asm/mmu.h           | 14 +++++++-------
 arch/powerpc/mm/hash_utils_64.c          |  6 +++---
 3 files changed, 30 insertions(+), 10 deletions(-)

diff --git a/arch/powerpc/include/asm/book3s/64/mmu.h b/arch/powerpc/include/asm/book3s/64/mmu.h
index 593d9e3ce8e7..a66cd3e65a33 100644
--- a/arch/powerpc/include/asm/book3s/64/mmu.h
+++ b/arch/powerpc/include/asm/book3s/64/mmu.h
@@ -97,5 +97,25 @@ extern int mmu_vmalloc_psize;
 extern int mmu_vmemmap_psize;
 extern int mmu_io_psize;
 
+/* MMU initialization */
+extern void hlearly_init_mmu(void);
+static inline void early_init_mmu(void)
+{
+	return hlearly_init_mmu();
+}
+extern void hlearly_init_mmu_secondary(void);
+static inline void early_init_mmu_secondary(void)
+{
+	return hlearly_init_mmu_secondary();
+}
+
+extern void hlsetup_initial_memory_limit(phys_addr_t first_memblock_base,
+					 phys_addr_t first_memblock_size);
+static inline void setup_initial_memory_limit(phys_addr_t first_memblock_base,
+					      phys_addr_t first_memblock_size)
+{
+	return hlsetup_initial_memory_limit(first_memblock_base,
+					   first_memblock_size);
+}
 #endif /* __ASSEMBLY__ */
 #endif /* _ASM_POWERPC_BOOK3S_64_MMU_H_ */
diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h
index decde4c4870d..34070e982f1d 100644
--- a/arch/powerpc/include/asm/mmu.h
+++ b/arch/powerpc/include/asm/mmu.h
@@ -122,13 +122,6 @@ static inline void mmu_clear_feature(unsigned long feature)
 
 extern unsigned int __start___mmu_ftr_fixup, __stop___mmu_ftr_fixup;
 
-/* MMU initialization */
-extern void early_init_mmu(void);
-extern void early_init_mmu_secondary(void);
-
-extern void setup_initial_memory_limit(phys_addr_t first_memblock_base,
-				       phys_addr_t first_memblock_size);
-
 #ifdef CONFIG_PPC64
 /* This is our real memory area size on ppc64 server, on embedded, we
  * make it match the size our of bolted TLB area
@@ -185,6 +178,13 @@ static inline void assert_pte_locked(struct mm_struct *mm, unsigned long addr)
 #include <asm/book3s/64/mmu.h>
 #else /* CONFIG_PPC_BOOK3S_64 */
 
+#ifndef __ASSEMBLY__
+/* MMU initialization */
+extern void early_init_mmu(void);
+extern void early_init_mmu_secondary(void);
+extern void setup_initial_memory_limit(phys_addr_t first_memblock_base,
+				       phys_addr_t first_memblock_size);
+#endif /* __ASSEMBLY__ */
 #endif
 
 #if defined(CONFIG_PPC_STD_MMU_32)
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index c4a5f13997b8..8dfc6ae85d4a 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -864,7 +864,7 @@ static void __init htab_initialize(void)
 #undef KB
 #undef MB
 
-void __init early_init_mmu(void)
+void __init hlearly_init_mmu(void)
 {
 	/*
 	 * initialize page table size
@@ -889,7 +889,7 @@ void __init early_init_mmu(void)
 }
 
 #ifdef CONFIG_SMP
-void early_init_mmu_secondary(void)
+void hlearly_init_mmu_secondary(void)
 {
 	/* Initialize hash table for that CPU */
 	if (!firmware_has_feature(FW_FEATURE_LPAR))
@@ -1631,7 +1631,7 @@ void __kernel_map_pages(struct page *page, int numpages, int enable)
 }
 #endif /* CONFIG_DEBUG_PAGEALLOC */
 
-void setup_initial_memory_limit(phys_addr_t first_memblock_base,
+void hlsetup_initial_memory_limit(phys_addr_t first_memblock_base,
 				phys_addr_t first_memblock_size)
 {
 	/* We don't currently support the first MEMBLOCK not mapping 0
-- 
2.5.0



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