AuxXxilium/linux_dsm_epyc7002
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a9d4996df1
linux_dsm_epyc7002/arch/powerpc/mm
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Paul Mackerras a9d4996df1 powerpc/mm/book3s-64: Move HPTE-related bits in PTE to upper end 
This moves the _PAGE_HASHPTE, _PAGE_F_GIX and _PAGE_F_SECOND fields in
the Linux PTE on 64-bit Book 3S systems to the most significant byte.
Of the 5 bits, one is a software-use bit and the other four are
reserved bit positions in the PowerISA v3.0 radix PTE format.
Using these bits is OK because these bits are all to do with tracking
the HPTE(s) associated with the Linux PTE, and therefore won't be
needed in radix mode.  This frees up bit positions in the lower two
bytes.

Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2016-02-29 20:34:39 +11:00
..
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: Fix compile errors with STRICT_MM_TYPECHECKS enabled 2015-04-10 20:02:47 +10:00
fault.c powerpc: Add plain English description for alignment exception oopses 2015-07-06 20:24:35 +10:00
fsl_booke_mmu.c powerpc/fsl-booke-64: Don't limit ppc64_rma_size to one TLB entry 2015-10-27 18:13:22 -05:00
hash64_4k.c powerpc/mm: Move WIMG update to helper. 2015-12-14 15:19:13 +11:00
hash64_64k.c powerpc/mm/book3s-64: Clean up some obsolete or misleading comments 2016-02-27 21:06:57 +11:00
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: Move THP headers around 2015-12-14 15:19:14 +11:00
hash_utils_64.c powerpc/mm/book3s-64: Clean up some obsolete or misleading comments 2016-02-27 21:06:57 +11:00
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/hash: Clear the invalid slot information correctly 2016-02-22 19:27:39 +11:00
hugetlbpage-book3e.c powerpc/e6500: add locking to hugetlb 2015-12-22 18:23:22 -06:00
hugetlbpage-hash64.c powerpc/mm/book3s-64: Move HPTE-related bits in PTE to upper end 2016-02-29 20:34:39 +11:00
hugetlbpage.c powerpc/mm/book3s-64: Use physical addresses in upper page table tree levels 2016-02-29 20:34:34 +11:00
icswx_pid.c
icswx.c powerpc: Fix typo "CONFIG_ICSWX_PID" 2013-04-18 13:03:54 +10:00
icswx.h
init_32.c powerpc: Remove superfluous bootmem includes 2014-11-10 09:59:26 +11:00
init_64.c powerpc/mm: Don't hardcode page table size 2015-12-14 15:19:15 +11:00
Makefile powerpc/mm: Convert 4k insert from asm to C 2015-12-14 15:19:12 +11:00
mem.c powerpc/mm: Allow user space to map rtas_rmo_buf 2016-01-25 16:31:13 +11:00
mmap.c mm: expose arch_mmap_rnd when available 2015-04-14 16:49:05 -07:00
mmu_context_hash32.c powerpc: Remove power3 from comments 2014-07-28 14:10:26 +10:00
mmu_context_hash64.c powerpc/mmu: Add userspace-to-physical addresses translation cache 2015-06-11 15:16:54 +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/8xx: reduce pressure on TLB due to context switches 2015-01-29 21:51:06 -06:00
mmu_decl.h powerpc/mm/book3s-64: Move _PAGE_PRESENT to the most significant bit 2016-02-29 20:34:39 +11:00
numa.c powerpc updates for 4.4 2015-11-05 23:38:43 -08:00
pgtable_32.c powerpc: Replace mem_init_done with slab_is_available() 2015-04-10 20:02:48 +10:00
pgtable_64.c powerpc/mm/book3s-64: Move _PAGE_PRESENT to the most significant bit 2016-02-29 20:34:39 +11:00
pgtable.c powerpc/mm: Add a _PAGE_PTE bit 2015-12-14 15:19:14 +11:00
ppc_mmu_32.c powerpc/mm: Change setbat() to take a pgprot_t rather than flags 2015-04-07 17:15:13 +10:00
slb_low.S Merge remote-tracking branch 'anton/abiv2' into next 2014-05-05 20:57:12 +10:00
slb.c powerpc: Add function to copy mm_context_t to the paca 2015-12-19 22:13:12 +11:00
slice.c powerpc: Add function to copy mm_context_t to the paca 2015-12-19 22:13:12 +11:00
subpage-prot.c thp: rename split_huge_page_pmd() to split_huge_pmd() 2016-01-15 17:56:32 -08:00
tlb_hash32.c
tlb_hash64.c powerpc/mm: Differentiate between hugetlb and THP during page walk 2015-10-12 15:30:09 +11:00
tlb_low_64e.S powerpc/e6500: hw tablewalk: make sure we invalidate and write to the same tlb entry 2015-10-27 18:14:40 -05:00
tlb_nohash_low.S powerpc/85xx: Load all early TLB entries at once 2015-10-22 22:50:46 -05:00
tlb_nohash.c powerpc/fsl-booke-64: Don't limit ppc64_rma_size to one TLB entry 2015-10-27 18:13:22 -05:00
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