arch/ia64/Kconfig.debug

   1 # SPDX-License-Identifier: GPL-2.0
   2
   3 choice
   4         prompt "Physical memory granularity"
   5         default IA64_GRANULE_64MB
   6
   7 config IA64_GRANULE_16MB
   8         bool "16MB"
   9         help
  10           IA-64 identity-mapped regions use a large page size called "granules".
  11
  12           Select "16MB" for a small granule size.
  13           Select "64MB" for a large granule size.  This is the current default.
  14
  15 config IA64_GRANULE_64MB
  16         bool "64MB"
  17         depends on !(IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_SGI_SN2)
  18
  19 endchoice
  20
  21 config IA64_PRINT_HAZARDS
  22         bool "Print possible IA-64 dependency violations to console"
  23         depends on DEBUG_KERNEL
  24         help
  25           Selecting this option prints more information for Illegal Dependency
  26           Faults, that is, for Read-after-Write (RAW), Write-after-Write (WAW),
  27           or Write-after-Read (WAR) violations.  This option is ignored if you
  28           are compiling for an Itanium A step processor
  29           (CONFIG_ITANIUM_ASTEP_SPECIFIC).  If you're unsure, select Y.
  30
  31 config DISABLE_VHPT
  32         bool "Disable VHPT"
  33         depends on DEBUG_KERNEL
  34         help
  35           The Virtual Hash Page Table (VHPT) enhances virtual address
  36           translation performance.  Normally you want the VHPT active but you
  37           can select this option to disable the VHPT for debugging.  If you're
  38           unsure, answer N.
  39
  40 config IA64_DEBUG_CMPXCHG
  41         bool "Turn on compare-and-exchange bug checking (slow!)"
  42         depends on DEBUG_KERNEL
  43         help
  44           Selecting this option turns on bug checking for the IA-64
  45           compare-and-exchange instructions.  This is slow!  Itaniums
  46           from step B3 or later don't have this problem. If you're unsure,
  47           select N.
  48
  49 config IA64_DEBUG_IRQ
  50         bool "Turn on irq debug checks (slow!)"
  51         depends on DEBUG_KERNEL
  52         help
  53           Selecting this option turns on bug checking for the IA-64 irq_save
  54           and restore instructions.  It's useful for tracking down spinlock
  55           problems, but slow!  If you're unsure, select N.