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-rw-r--r--arch/powerpc/mm/hash64_4k.c18
-rw-r--r--arch/powerpc/mm/hash64_64k.c39
-rw-r--r--arch/powerpc/mm/hash_native_64.c16
-rw-r--r--arch/powerpc/mm/hash_utils_64.c51
-rw-r--r--arch/powerpc/mm/hugepage-hash64.c17
-rw-r--r--arch/powerpc/mm/hugetlbpage-hash64.c4
6 files changed, 79 insertions, 66 deletions
diff --git a/arch/powerpc/mm/hash64_4k.c b/arch/powerpc/mm/hash64_4k.c
index 6333b273d2d5..42c702b3be1f 100644
--- a/arch/powerpc/mm/hash64_4k.c
+++ b/arch/powerpc/mm/hash64_4k.c
@@ -70,8 +70,8 @@ int __hash_page_4K(unsigned long ea, unsigned long access, unsigned long vsid,
slot = (hash & htab_hash_mask) * HPTES_PER_GROUP;
slot += (old_pte & H_PAGE_F_GIX) >> H_PAGE_F_GIX_SHIFT;
- if (ppc_md.hpte_updatepp(slot, rflags, vpn, MMU_PAGE_4K,
- MMU_PAGE_4K, ssize, flags) == -1)
+ if (mmu_hash_ops.hpte_updatepp(slot, rflags, vpn, MMU_PAGE_4K,
+ MMU_PAGE_4K, ssize, flags) == -1)
old_pte &= ~_PAGE_HPTEFLAGS;
}
@@ -84,21 +84,23 @@ repeat:
hpte_group = ((hash & htab_hash_mask) * HPTES_PER_GROUP) & ~0x7UL;
/* Insert into the hash table, primary slot */
- slot = ppc_md.hpte_insert(hpte_group, vpn, pa, rflags, 0,
- MMU_PAGE_4K, MMU_PAGE_4K, ssize);
+ slot = mmu_hash_ops.hpte_insert(hpte_group, vpn, pa, rflags, 0,
+ MMU_PAGE_4K, MMU_PAGE_4K, ssize);
/*
* Primary is full, try the secondary
*/
if (unlikely(slot == -1)) {
hpte_group = ((~hash & htab_hash_mask) * HPTES_PER_GROUP) & ~0x7UL;
- slot = ppc_md.hpte_insert(hpte_group, vpn, pa,
- rflags, HPTE_V_SECONDARY,
- MMU_PAGE_4K, MMU_PAGE_4K, ssize);
+ slot = mmu_hash_ops.hpte_insert(hpte_group, vpn, pa,
+ rflags,
+ HPTE_V_SECONDARY,
+ MMU_PAGE_4K,
+ MMU_PAGE_4K, ssize);
if (slot == -1) {
if (mftb() & 0x1)
hpte_group = ((hash & htab_hash_mask) *
HPTES_PER_GROUP) & ~0x7UL;
- ppc_md.hpte_remove(hpte_group);
+ mmu_hash_ops.hpte_remove(hpte_group);
/*
* FIXME!! Should be try the group from which we removed ?
*/
diff --git a/arch/powerpc/mm/hash64_64k.c b/arch/powerpc/mm/hash64_64k.c
index 16644e1f4e6b..3bbbea07378c 100644
--- a/arch/powerpc/mm/hash64_64k.c
+++ b/arch/powerpc/mm/hash64_64k.c
@@ -133,9 +133,9 @@ int __hash_page_4K(unsigned long ea, unsigned long access, unsigned long vsid,
slot = (hash & htab_hash_mask) * HPTES_PER_GROUP;
slot += hidx & _PTEIDX_GROUP_IX;
- ret = ppc_md.hpte_updatepp(slot, rflags, vpn,
- MMU_PAGE_4K, MMU_PAGE_4K,
- ssize, flags);
+ ret = mmu_hash_ops.hpte_updatepp(slot, rflags, vpn,
+ MMU_PAGE_4K, MMU_PAGE_4K,
+ ssize, flags);
/*
*if we failed because typically the HPTE wasn't really here
* we try an insertion.
@@ -166,21 +166,22 @@ repeat:
hpte_group = ((hash & htab_hash_mask) * HPTES_PER_GROUP) & ~0x7UL;
/* Insert into the hash table, primary slot */
- slot = ppc_md.hpte_insert(hpte_group, vpn, pa, rflags, 0,
- MMU_PAGE_4K, MMU_PAGE_4K, ssize);
+ slot = mmu_hash_ops.hpte_insert(hpte_group, vpn, pa, rflags, 0,
+ MMU_PAGE_4K, MMU_PAGE_4K, ssize);
/*
* Primary is full, try the secondary
*/
if (unlikely(slot == -1)) {
hpte_group = ((~hash & htab_hash_mask) * HPTES_PER_GROUP) & ~0x7UL;
- slot = ppc_md.hpte_insert(hpte_group, vpn, pa,
- rflags, HPTE_V_SECONDARY,
- MMU_PAGE_4K, MMU_PAGE_4K, ssize);
+ slot = mmu_hash_ops.hpte_insert(hpte_group, vpn, pa,
+ rflags, HPTE_V_SECONDARY,
+ MMU_PAGE_4K, MMU_PAGE_4K,
+ ssize);
if (slot == -1) {
if (mftb() & 0x1)
hpte_group = ((hash & htab_hash_mask) *
HPTES_PER_GROUP) & ~0x7UL;
- ppc_md.hpte_remove(hpte_group);
+ mmu_hash_ops.hpte_remove(hpte_group);
/*
* FIXME!! Should be try the group from which we removed ?
*/
@@ -272,8 +273,9 @@ int __hash_page_64K(unsigned long ea, unsigned long access,
slot = (hash & htab_hash_mask) * HPTES_PER_GROUP;
slot += (old_pte & H_PAGE_F_GIX) >> H_PAGE_F_GIX_SHIFT;
- if (ppc_md.hpte_updatepp(slot, rflags, vpn, MMU_PAGE_64K,
- MMU_PAGE_64K, ssize, flags) == -1)
+ if (mmu_hash_ops.hpte_updatepp(slot, rflags, vpn, MMU_PAGE_64K,
+ MMU_PAGE_64K, ssize,
+ flags) == -1)
old_pte &= ~_PAGE_HPTEFLAGS;
}
@@ -286,21 +288,24 @@ repeat:
hpte_group = ((hash & htab_hash_mask) * HPTES_PER_GROUP) & ~0x7UL;
/* Insert into the hash table, primary slot */
- slot = ppc_md.hpte_insert(hpte_group, vpn, pa, rflags, 0,
- MMU_PAGE_64K, MMU_PAGE_64K, ssize);
+ slot = mmu_hash_ops.hpte_insert(hpte_group, vpn, pa, rflags, 0,
+ MMU_PAGE_64K, MMU_PAGE_64K,
+ ssize);
/*
* Primary is full, try the secondary
*/
if (unlikely(slot == -1)) {
hpte_group = ((~hash & htab_hash_mask) * HPTES_PER_GROUP) & ~0x7UL;
- slot = ppc_md.hpte_insert(hpte_group, vpn, pa,
- rflags, HPTE_V_SECONDARY,
- MMU_PAGE_64K, MMU_PAGE_64K, ssize);
+ slot = mmu_hash_ops.hpte_insert(hpte_group, vpn, pa,
+ rflags,
+ HPTE_V_SECONDARY,
+ MMU_PAGE_64K,
+ MMU_PAGE_64K, ssize);
if (slot == -1) {
if (mftb() & 0x1)
hpte_group = ((hash & htab_hash_mask) *
HPTES_PER_GROUP) & ~0x7UL;
- ppc_md.hpte_remove(hpte_group);
+ mmu_hash_ops.hpte_remove(hpte_group);
/*
* FIXME!! Should be try the group from which we removed ?
*/
diff --git a/arch/powerpc/mm/hash_native_64.c b/arch/powerpc/mm/hash_native_64.c
index cb3b4c98b637..88ce7d212320 100644
--- a/arch/powerpc/mm/hash_native_64.c
+++ b/arch/powerpc/mm/hash_native_64.c
@@ -739,14 +739,14 @@ static int native_register_proc_table(unsigned long base, unsigned long page_siz
void __init hpte_init_native(void)
{
- ppc_md.hpte_invalidate = native_hpte_invalidate;
- ppc_md.hpte_updatepp = native_hpte_updatepp;
- ppc_md.hpte_updateboltedpp = native_hpte_updateboltedpp;
- ppc_md.hpte_insert = native_hpte_insert;
- ppc_md.hpte_remove = native_hpte_remove;
- ppc_md.hpte_clear_all = native_hpte_clear;
- ppc_md.flush_hash_range = native_flush_hash_range;
- ppc_md.hugepage_invalidate = native_hugepage_invalidate;
+ mmu_hash_ops.hpte_invalidate = native_hpte_invalidate;
+ mmu_hash_ops.hpte_updatepp = native_hpte_updatepp;
+ mmu_hash_ops.hpte_updateboltedpp = native_hpte_updateboltedpp;
+ mmu_hash_ops.hpte_insert = native_hpte_insert;
+ mmu_hash_ops.hpte_remove = native_hpte_remove;
+ mmu_hash_ops.hpte_clear_all = native_hpte_clear;
+ mmu_hash_ops.flush_hash_range = native_flush_hash_range;
+ mmu_hash_ops.hugepage_invalidate = native_hugepage_invalidate;
if (cpu_has_feature(CPU_FTR_ARCH_300))
ppc_md.register_process_table = native_register_proc_table;
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index eab3074a6a37..341632471b9d 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -118,6 +118,8 @@ static u8 *linear_map_hash_slots;
static unsigned long linear_map_hash_count;
static DEFINE_SPINLOCK(linear_map_hash_lock);
#endif /* CONFIG_DEBUG_PAGEALLOC */
+struct mmu_hash_ops mmu_hash_ops;
+EXPORT_SYMBOL(mmu_hash_ops);
/* There are definitions of page sizes arrays to be used when none
* is provided by the firmware.
@@ -276,9 +278,10 @@ int htab_bolt_mapping(unsigned long vstart, unsigned long vend,
hash = hpt_hash(vpn, shift, ssize);
hpteg = ((hash & htab_hash_mask) * HPTES_PER_GROUP);
- BUG_ON(!ppc_md.hpte_insert);
- ret = ppc_md.hpte_insert(hpteg, vpn, paddr, tprot,
- HPTE_V_BOLTED, psize, psize, ssize);
+ BUG_ON(!mmu_hash_ops.hpte_insert);
+ ret = mmu_hash_ops.hpte_insert(hpteg, vpn, paddr, tprot,
+ HPTE_V_BOLTED, psize, psize,
+ ssize);
if (ret < 0)
break;
@@ -303,11 +306,11 @@ int htab_remove_mapping(unsigned long vstart, unsigned long vend,
shift = mmu_psize_defs[psize].shift;
step = 1 << shift;
- if (!ppc_md.hpte_removebolted)
+ if (!mmu_hash_ops.hpte_removebolted)
return -ENODEV;
for (vaddr = vstart; vaddr < vend; vaddr += step) {
- rc = ppc_md.hpte_removebolted(vaddr, psize, ssize);
+ rc = mmu_hash_ops.hpte_removebolted(vaddr, psize, ssize);
if (rc == -ENOENT) {
ret = -ENOENT;
continue;
@@ -789,8 +792,8 @@ static void __init htab_initialize(void)
* Clear the htab if firmware assisted dump is active so
* that we dont end up using old mappings.
*/
- if (is_fadump_active() && ppc_md.hpte_clear_all)
- ppc_md.hpte_clear_all();
+ if (is_fadump_active() && mmu_hash_ops.hpte_clear_all)
+ mmu_hash_ops.hpte_clear_all();
#endif
} else {
unsigned long limit = MEMBLOCK_ALLOC_ANYWHERE;
@@ -1480,7 +1483,8 @@ void flush_hash_page(unsigned long vpn, real_pte_t pte, int psize, int ssize,
* We use same base page size and actual psize, because we don't
* use these functions for hugepage
*/
- ppc_md.hpte_invalidate(slot, vpn, psize, psize, ssize, local);
+ mmu_hash_ops.hpte_invalidate(slot, vpn, psize, psize,
+ ssize, local);
} pte_iterate_hashed_end();
#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
@@ -1521,9 +1525,9 @@ void flush_hash_hugepage(unsigned long vsid, unsigned long addr,
if (!hpte_slot_array)
return;
- if (ppc_md.hugepage_invalidate) {
- ppc_md.hugepage_invalidate(vsid, s_addr, hpte_slot_array,
- psize, ssize, local);
+ if (mmu_hash_ops.hugepage_invalidate) {
+ mmu_hash_ops.hugepage_invalidate(vsid, s_addr, hpte_slot_array,
+ psize, ssize, local);
goto tm_abort;
}
/*
@@ -1550,8 +1554,8 @@ void flush_hash_hugepage(unsigned long vsid, unsigned long addr,
slot = (hash & htab_hash_mask) * HPTES_PER_GROUP;
slot += hidx & _PTEIDX_GROUP_IX;
- ppc_md.hpte_invalidate(slot, vpn, psize,
- MMU_PAGE_16M, ssize, local);
+ mmu_hash_ops.hpte_invalidate(slot, vpn, psize,
+ MMU_PAGE_16M, ssize, local);
}
tm_abort:
#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
@@ -1575,8 +1579,8 @@ tm_abort:
void flush_hash_range(unsigned long number, int local)
{
- if (ppc_md.flush_hash_range)
- ppc_md.flush_hash_range(number, local);
+ if (mmu_hash_ops.flush_hash_range)
+ mmu_hash_ops.flush_hash_range(number, local);
else {
int i;
struct ppc64_tlb_batch *batch =
@@ -1621,22 +1625,22 @@ repeat:
HPTES_PER_GROUP) & ~0x7UL;
/* Insert into the hash table, primary slot */
- slot = ppc_md.hpte_insert(hpte_group, vpn, pa, rflags, vflags,
- psize, psize, ssize);
+ slot = mmu_hash_ops.hpte_insert(hpte_group, vpn, pa, rflags, vflags,
+ psize, psize, ssize);
/* Primary is full, try the secondary */
if (unlikely(slot == -1)) {
hpte_group = ((~hash & htab_hash_mask) *
HPTES_PER_GROUP) & ~0x7UL;
- slot = ppc_md.hpte_insert(hpte_group, vpn, pa, rflags,
- vflags | HPTE_V_SECONDARY,
- psize, psize, ssize);
+ slot = mmu_hash_ops.hpte_insert(hpte_group, vpn, pa, rflags,
+ vflags | HPTE_V_SECONDARY,
+ psize, psize, ssize);
if (slot == -1) {
if (mftb() & 0x1)
hpte_group = ((hash & htab_hash_mask) *
HPTES_PER_GROUP)&~0x7UL;
- ppc_md.hpte_remove(hpte_group);
+ mmu_hash_ops.hpte_remove(hpte_group);
goto repeat;
}
}
@@ -1686,8 +1690,9 @@ static void kernel_unmap_linear_page(unsigned long vaddr, unsigned long lmi)
hash = ~hash;
slot = (hash & htab_hash_mask) * HPTES_PER_GROUP;
slot += hidx & _PTEIDX_GROUP_IX;
- ppc_md.hpte_invalidate(slot, vpn, mmu_linear_psize, mmu_linear_psize,
- mmu_kernel_ssize, 0);
+ mmu_hash_ops.hpte_invalidate(slot, vpn, mmu_linear_psize,
+ mmu_linear_psize,
+ mmu_kernel_ssize, 0);
}
void __kernel_map_pages(struct page *page, int numpages, int enable)
diff --git a/arch/powerpc/mm/hugepage-hash64.c b/arch/powerpc/mm/hugepage-hash64.c
index ba3fc229468a..f20d16f849c5 100644
--- a/arch/powerpc/mm/hugepage-hash64.c
+++ b/arch/powerpc/mm/hugepage-hash64.c
@@ -103,8 +103,8 @@ int __hash_page_thp(unsigned long ea, unsigned long access, unsigned long vsid,
slot = (hash & htab_hash_mask) * HPTES_PER_GROUP;
slot += hidx & _PTEIDX_GROUP_IX;
- ret = ppc_md.hpte_updatepp(slot, rflags, vpn,
- psize, lpsize, ssize, flags);
+ ret = mmu_hash_ops.hpte_updatepp(slot, rflags, vpn,
+ psize, lpsize, ssize, flags);
/*
* We failed to update, try to insert a new entry.
*/
@@ -131,23 +131,24 @@ repeat:
hpte_group = ((hash & htab_hash_mask) * HPTES_PER_GROUP) & ~0x7UL;
/* Insert into the hash table, primary slot */
- slot = ppc_md.hpte_insert(hpte_group, vpn, pa, rflags, 0,
- psize, lpsize, ssize);
+ slot = mmu_hash_ops.hpte_insert(hpte_group, vpn, pa, rflags, 0,
+ psize, lpsize, ssize);
/*
* Primary is full, try the secondary
*/
if (unlikely(slot == -1)) {
hpte_group = ((~hash & htab_hash_mask) *
HPTES_PER_GROUP) & ~0x7UL;
- slot = ppc_md.hpte_insert(hpte_group, vpn, pa,
- rflags, HPTE_V_SECONDARY,
- psize, lpsize, ssize);
+ slot = mmu_hash_ops.hpte_insert(hpte_group, vpn, pa,
+ rflags,
+ HPTE_V_SECONDARY,
+ psize, lpsize, ssize);
if (slot == -1) {
if (mftb() & 0x1)
hpte_group = ((hash & htab_hash_mask) *
HPTES_PER_GROUP) & ~0x7UL;
- ppc_md.hpte_remove(hpte_group);
+ mmu_hash_ops.hpte_remove(hpte_group);
goto repeat;
}
}
diff --git a/arch/powerpc/mm/hugetlbpage-hash64.c b/arch/powerpc/mm/hugetlbpage-hash64.c
index 3058560b6121..d5026f3800b6 100644
--- a/arch/powerpc/mm/hugetlbpage-hash64.c
+++ b/arch/powerpc/mm/hugetlbpage-hash64.c
@@ -79,8 +79,8 @@ int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid,
slot = (hash & htab_hash_mask) * HPTES_PER_GROUP;
slot += (old_pte & H_PAGE_F_GIX) >> H_PAGE_F_GIX_SHIFT;
- if (ppc_md.hpte_updatepp(slot, rflags, vpn, mmu_psize,
- mmu_psize, ssize, flags) == -1)
+ if (mmu_hash_ops.hpte_updatepp(slot, rflags, vpn, mmu_psize,
+ mmu_psize, ssize, flags) == -1)
old_pte &= ~_PAGE_HPTEFLAGS;
}