AuxXxilium/linux_dsm_epyc7002
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0261a508c9
linux_dsm_epyc7002/arch/powerpc/mm
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Christophe Leroy 0261a508c9 powerpc/mm: dump segment registers on book3s/32 
This patch creates a debugfs file to see content of
segment registers

  # cat /sys/kernel/debug/segment_registers
  ---[ User Segments ]---
  0x00000000-0x0fffffff Kern key 1 User key 1 VSID 0xade2b0
  0x10000000-0x1fffffff Kern key 1 User key 1 VSID 0xade3c1
  0x20000000-0x2fffffff Kern key 1 User key 1 VSID 0xade4d2
  0x30000000-0x3fffffff Kern key 1 User key 1 VSID 0xade5e3
  0x40000000-0x4fffffff Kern key 1 User key 1 VSID 0xade6f4
  0x50000000-0x5fffffff Kern key 1 User key 1 VSID 0xade805
  0x60000000-0x6fffffff Kern key 1 User key 1 VSID 0xade916
  0x70000000-0x7fffffff Kern key 1 User key 1 VSID 0xadea27
  0x80000000-0x8fffffff Kern key 1 User key 1 VSID 0xadeb38
  0x90000000-0x9fffffff Kern key 1 User key 1 VSID 0xadec49
  0xa0000000-0xafffffff Kern key 1 User key 1 VSID 0xaded5a
  0xb0000000-0xbfffffff Kern key 1 User key 1 VSID 0xadee6b

  ---[ Kernel Segments ]---
  0xc0000000-0xcfffffff Kern key 0 User key 1 VSID 0x000ccc
  0xd0000000-0xdfffffff Kern key 0 User key 1 VSID 0x000ddd
  0xe0000000-0xefffffff Kern key 0 User key 1 VSID 0x000eee
  0xf0000000-0xffffffff Kern key 0 User key 1 VSID 0x000fff

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
[mpe: Move it under /sys/kernel/debug/powerpc, make sr_init() __init]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2018-12-04 19:45:54 +11:00
..
8xx_mmu.c powerpc/8xx: Use hardware assistance in TLB handlers 2018-12-04 19:45:01 +11:00
40x_mmu.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
44x_mmu.c powerpc/44x: Mark mmu_init_secondary() as __init 2018-07-30 22:48:22 +10:00
copro_fault.c mm: convert return type of handle_mm_fault() caller to vm_fault_t 2018-08-17 16:20:28 -07:00
dma-noncoherent.c powerpc: handover page flags with a pgprot_t parameter 2018-10-14 18:04:09 +11:00
drmem.c powerpc/mm/drmem: Fix unexpected flag value in ibm,dynamic-memory-v2 2018-02-23 16:45:51 +11:00
dump_hashpagetable.c powerpc: remove superflous inclusions of asm/fixmap.h 2018-07-30 22:48:18 +10:00
dump_linuxpagetables-8xx.c powerpc/8xx: change name of a few page flags to avoid confusion 2018-10-14 18:04:09 +11:00
dump_linuxpagetables-book3s64.c powerpc/book3s64: fix dump_linuxpagetables "present" flag 2018-10-20 13:26:47 +11:00
dump_linuxpagetables-generic.c powerpc/mm: Split dump_pagelinuxtables flag_array table 2018-10-14 18:04:09 +11:00
dump_linuxpagetables.c powerpc/mm: Fix page table dump to work on Radix 2018-10-20 13:26:47 +11:00
dump_linuxpagetables.h powerpc/mm: Split dump_pagelinuxtables flag_array table 2018-10-14 18:04:09 +11:00
dump_sr.c powerpc/mm: dump segment registers on book3s/32 2018-12-04 19:45:54 +11:00
fault.c powerpc: change CONFIG_PPC_STD_MMU to CONFIG_PPC_BOOK3S 2018-11-26 22:33:37 +11:00
fsl_booke_mmu.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
hash64_4k.c powerpc/mm/hash: Remove the superfluous bitwise operation when find hpte group 2018-07-24 22:03:17 +10:00
hash64_64k.c powerpc/mm/hash: Remove the superfluous bitwise operation when find hpte group 2018-07-24 22:03:17 +10:00
hash_low_32.S powerpc: clean inclusions of asm/feature-fixups.h 2018-07-30 22:48:17 +10:00
hash_native_64.c powerpc/64s/hash: Do not use PPC_INVALIDATE_ERAT on CPUs before POWER9 2018-10-04 23:16:53 +10:00
hash_utils_64.c powerpc/64s/hash: Simplify slb_flush_and_rebolt() 2018-10-14 18:04:09 +11:00
highmem.c powerpc/mm: remove warning about ‘type’ being set 2018-08-10 22:12:38 +10:00
hugepage-hash64.c arch/powerpc/mm/hash: validate the pte entries before handling the hash fault 2018-10-03 15:39:59 +10:00
hugetlbpage-book3e.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hugetlbpage-hash64.c arch/powerpc/mm/hash: validate the pte entries before handling the hash fault 2018-10-03 15:39:59 +10:00
hugetlbpage-radix.c powerpc updates for 4.15 2017-11-16 12:47:46 -08:00
hugetlbpage.c powerpc/8xx: Enable 512k hugepage support with HW assistance 2018-12-04 19:45:01 +11:00
init_32.c powerpc/mm/32: Remove the reserved memory hack 2018-04-01 00:47:44 +11:00
init_64.c KVM: PPC: Avoid marking DMA-mapped pages dirty in real mode 2018-09-12 08:49:54 +10:00
init-common.c powerpc/mm: remove unnecessary test in pgtable_cache_init() 2018-12-04 19:45:01 +11:00
Makefile powerpc/mm: dump segment registers on book3s/32 2018-12-04 19:45:54 +11:00
mem.c powerpc: change CONFIG_PPC_STD_MMU to CONFIG_PPC_BOOK3S 2018-11-26 22:33:37 +11:00
mmap.c exec: pass stack rlimit into mm layout functions 2018-04-11 10:28:37 -07:00
mmu_context_book3s64.c powerpc/mm: Move pte_fragment_alloc() to a common location 2018-12-04 19:45:01 +11:00
mmu_context_hash32.c powerpc: remove unnecessary inclusion of asm/tlbflush.h 2018-07-30 22:48:20 +10:00
mmu_context_iommu.c KVM: PPC: Avoid marking DMA-mapped pages dirty in real mode 2018-09-12 08:49:54 +10:00
mmu_context_nohash.c powerpc/mm: Extend pte_fragment functionality to PPC32 2018-12-04 19:45:01 +11:00
mmu_context.c powerpc/mm: Extend pte_fragment functionality to PPC32 2018-12-04 19:45:01 +11:00
mmu_decl.h powerpc: change CONFIG_6xx to CONFIG_PPC_BOOK3S_32 2018-11-26 22:33:37 +11:00
numa.c powerpc: Use device_type helpers to access the node type 2018-11-26 22:33:37 +11:00
pgtable_32.c powerpc/mm: Extend pte_fragment functionality to PPC32 2018-12-04 19:45:01 +11:00
pgtable_64.c powerpc/mm: use pte helpers in generic code 2018-10-14 18:04:09 +11:00
pgtable-book3e.c powerpc: handover page flags with a pgprot_t parameter 2018-10-14 18:04:09 +11:00
pgtable-book3s64.c powerpc/mm: Avoid useless lock with single page fragments 2018-12-04 19:45:01 +11:00
pgtable-frag.c powerpc/mm: add helpers to get/set mm.context->pte_frag 2018-12-04 19:45:01 +11:00
pgtable-hash64.c powerpc: handover page flags with a pgprot_t parameter 2018-10-14 18:04:09 +11:00
pgtable-radix.c powerpc/mm/radix: Display if mappings are exec or not 2018-10-20 13:26:47 +11:00
pgtable.c powerpc/mm: Remove extern from function definition 2018-11-25 17:11:21 +11:00
pkeys.c powerpc/pkey: Define functions as static 2018-11-25 17:11:21 +11:00
ppc_mmu_32.c memblock: rename memblock_alloc{_nid,_try_nid} to memblock_phys_alloc* 2018-10-31 08:54:15 -07:00
slb.c powerpc/mm/64s: Fix preempt warning in slb_allocate_kernel() 2018-11-12 13:22:10 +11:00
slice.c powerpc/mm: fix always true/false warning in slice.c 2018-10-20 13:26:47 +11:00
subpage-prot.c powerpc: remove unnecessary inclusion of asm/tlbflush.h 2018-07-30 22:48:20 +10:00
tlb_hash32.c powerpc/sparse: Fix plain integer as NULL pointer warning 2018-05-25 12:04:38 +10:00
tlb_hash64.c powerpc/mm: Add support for handling > 512TB address in SLB miss 2018-03-31 00:10:38 +11:00
tlb_low_64e.S powerpc: clean inclusions of asm/feature-fixups.h 2018-07-30 22:48:17 +10:00
tlb_nohash_low.S powerpc: clean inclusions of asm/feature-fixups.h 2018-07-30 22:48:17 +10:00
tlb_nohash.c powerpc/8xx: Enable 512k hugepage support with HW assistance 2018-12-04 19:45:01 +11:00
tlb-radix.c powerpc updates for 4.20 2018-10-26 14:36:21 -07:00
vphn.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
vphn.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00