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c40785ad30
linux/arch/powerpc/mm
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Benjamin Herrenschmidt c40785ad30 powerpc/dart: Use a cachable DART 
Instead of punching a hole in the linear mapping, just use normal
cachable memory, and apply the flush sequence documented in the
CPC625 (aka U3) user manual.

This allows us to remove quite a bit of code related to the early
allocation of the DART and the hole in the linear mapping. We can
also get rid of the copy of the DART for suspend/resume as the
original memory can just be saved/restored now, as long as we
properly sync the caches.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[mpe: Integrate dart_init() fix to return ENODEV when DART disabled]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2016-07-21 18:55:54 +10:00
..
8xx_mmu.c powerpc/8xx: rewrite flush_instruction_cache() in C 2016-03-11 17:20:11 -06:00
40x_mmu.c powerpc/mm: Don't use pmd_val, pud_val and pgd_val as lvalue 2015-12-14 15:19:07 +11:00
44x_mmu.c powerpc: Delete __cpuinit usage from all users 2013-07-01 11:10:36 +10:00
copro_fault.c cxl: Move include file cxl.h -> cxl-base.h 2015-06-03 13:27:19 +10:00
dma-noncoherent.c powerpc: Simplify test in __dma_sync() 2016-03-11 17:20:12 -06:00
fault.c powerpc: Add plain English description for alignment exception oopses 2015-07-06 20:24:35 +10:00
fsl_booke_mmu.c powerpc/mm: Convert pte_user() to static inline 2016-05-01 18:32:24 +10:00
hash64_4k.c powerpc/mm/book3s: Rename hash specific PTE bits to carry H_ prefix 2016-05-01 18:32:43 +10:00
hash64_64k.c powerpc/mm/book3s: Rename hash specific PTE bits to carry H_ prefix 2016-05-01 18:32:43 +10:00
hash_low_32.S powerpc: Use CURRENT_THREAD_INFO instead of open coded assembly 2012-07-11 14:18:22 +10:00
hash_native_64.c powerpc/mm/radix: Update machine call back to support new HCALL. 2016-07-17 16:42:54 +10:00
hash_utils_64.c powerpc/dart: Use a cachable DART 2016-07-21 18:55:54 +10:00
highmem.c sched/preempt, mm/kmap: Explicitly disable/enable preemption in kmap_atomic_* 2015-05-19 08:39:14 +02:00
hugepage-hash64.c powerpc/mm/book3s: Rename hash specific PTE bits to carry H_ prefix 2016-05-01 18:32:43 +10:00
hugetlbpage-book3e.c powerpc/fsl-book3e: Avoid lbarx on e5500 2016-03-03 23:43:05 -06:00
hugetlbpage-hash64.c powerpc/mm/book3s: Rename hash specific PTE bits to carry H_ prefix 2016-05-01 18:32:43 +10:00
hugetlbpage-radix.c powerpc/mm: Add radix support for hugetlb 2016-05-11 21:53:55 +10:00
hugetlbpage.c powerpc updates for 4.7 2016-05-20 10:12:41 -07:00
icswx_pid.c powerpc: Split ICSWX ACOP and PID processing 2011-11-25 14:11:27 +11:00
icswx.c powerpc: Fix typo "CONFIG_ICSWX_PID" 2013-04-18 13:03:54 +10:00
icswx.h powerpc/icswx: Fix race condition with IPI setting ACOP 2012-03-07 17:06:09 +11:00
init_32.c powerpc/32: Remove RELOCATABLE_PPC32 2016-07-19 20:17:07 +10:00
init_64.c powerpc/mm: Abstraction for vmemmap and map_kernel_page() 2016-05-01 18:33:02 +10:00
Makefile powerpc/mm/thp: Abstraction for THP functions 2016-05-11 21:53:57 +10:00
mem.c powerpc: Fix build with CONFIG_MEMORY_HOTPLUG on some configs 2016-07-07 16:33:27 +10:00
mmap.c powerpc/mm/radix: Pick the address layout for radix config 2016-05-11 21:53:47 +10:00
mmu_context_book3s64.c powerpc/mm/radix: Update PID switch sequence 2016-07-17 16:42:53 +10:00
mmu_context_hash32.c powerpc: Remove power3 from comments 2014-07-28 14:10:26 +10:00
mmu_context_iommu.c powerpc/mmu: Add userspace-to-physical addresses translation cache 2015-06-11 15:16:54 +10:00
mmu_context_nohash.c powerpc/mm/slice: Remove slice_mm_new_context() 2016-05-11 21:54:00 +10:00
mmu_decl.h powerpc/mm: Abstraction for vmemmap and map_kernel_page() 2016-05-01 18:33:02 +10:00
numa.c powerpc/numa: Fix multiple bugs in memory_hotplug_max() 2016-06-14 16:06:13 +10:00
pgtable_32.c powerpc32: PAGE_EXEC required for inittext 2016-03-11 20:04:32 -06:00
pgtable_64.c powerpc/mm: THP is only available on hash64 as of now 2016-05-11 21:53:56 +10:00
pgtable-book3e.c powerpc/mm: Make page table size a variable 2016-05-01 18:32:48 +10:00
pgtable-book3s64.c powerpc/mm/radix: Add missing tlb flush 2016-06-01 13:47:34 +10:00
pgtable-hash64.c powerpc/mm/thp: Abstraction for THP functions 2016-05-11 21:53:57 +10:00
pgtable-radix.c powerpc/mm/radix: Update machine call back to support new HCALL. 2016-07-17 16:42:54 +10:00
pgtable.c powerpc/mm: Update pte filter for radix 2016-05-11 21:53:52 +10:00
ppc_mmu_32.c powerpc32: refactor x_mapped_by_bats() and x_mapped_by_tlbcam() together 2016-03-11 17:18:02 -06:00
slb_low.S powerpc/mm: vmalloc abstraction in preparation for radix 2016-05-11 21:53:53 +10:00
slb.c powerpc/mm: Remove long disabled SLB code 2016-04-11 20:30:40 +10:00
slice.c powerpc/mm/radix: Add checks in slice code to catch radix usage 2016-05-11 21:53:46 +10:00
subpage-prot.c thp: rename split_huge_page_pmd() to split_huge_pmd() 2016-01-15 17:56:32 -08:00
tlb_hash32.c powerpc: include export.h for files using EXPORT_SYMBOL/THIS_MODULE 2011-10-31 19:30:38 -04:00
tlb_hash64.c powerpc/mm: Hash abstraction for tlbflush routines 2016-05-01 18:33:08 +10:00
tlb_low_64e.S powerpc: Fix misspellings in comments. 2016-03-01 19:27:20 +11:00
tlb_nohash_low.S powerpc: Fix misspellings in comments. 2016-03-01 19:27:20 +11:00
tlb_nohash.c powerpc/mm: any thread in one core can be the first to setup TLB1 2016-03-04 23:44:02 -06:00
tlb-radix.c powerpc/mm/radix: Add LPID based tlb flush helpers 2016-07-17 16:42:55 +10:00
vphn.c powerpc/vphn: parsing code rewrite 2015-03-18 10:48:59 +11:00
vphn.h powerpc/vphn: parsing code rewrite 2015-03-18 10:48:59 +11:00