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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
..
alpha TTY/Serial fixes for 4.20-rc2 2018-11-10 13:32:14 -06:00
arc mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
arm s390 updates for 4.20-rc2 2018-11-09 06:30:44 -06:00
arm64 arm64 fixes: 2018-11-10 07:07:21 -06:00
c6x c6x changes for 4.20 2018-10-31 15:39:25 -07:00
csky csky: dtb Kbuild fixup patches for linux-4.20-rc1 2018-11-01 09:04:30 -07:00
h8300 mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
hexagon mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
ia64 memblock: stop using implicit alignment to SMP_CACHE_BYTES 2018-10-31 08:54:16 -07:00
m68k s390 updates for 4.20-rc2 2018-11-09 06:30:44 -06:00
microblaze s390 updates for 4.20-rc2 2018-11-09 06:30:44 -06:00
mips MIPS: Fix `dma_alloc_coherent' returning a non-coherent allocation 2018-11-05 10:08:13 -08:00
nds32 s390 updates for 4.20-rc2 2018-11-09 06:30:44 -06:00
nios2 mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
openrisc mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
parisc s390 updates for 4.20-rc2 2018-11-09 06:30:44 -06:00
powerpc powerpc/mm: dump segment registers on book3s/32 2018-12-04 19:45:54 +11:00
riscv RISC-V: refresh defconfig 2018-11-01 17:04:07 -07:00
s390 s390 updates for 4.20-rc2 2018-11-09 06:30:44 -06:00
sh mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
sparc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc 2018-11-01 09:07:04 -07:00
um for-linus-20181109 2018-11-09 16:31:51 -06:00
unicore32 memblock: stop using implicit alignment to SMP_CACHE_BYTES 2018-10-31 08:54:16 -07:00
x86 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-11-11 16:41:50 -06:00
xtensa Xtensa fixes and cleanups for v4.20: 2018-11-01 14:32:43 -07:00
.gitignore
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Kconfig New gcc plugin: stackleak 2018-11-01 11:46:27 -07:00