arch/ia64/Kconfig.debug

   1 # SPDX-License-Identifier: GPL-2.0
   2 menu "Kernel hacking"
   3
   4 source "lib/Kconfig.debug"
   5
   6 choice
   7         prompt "Physical memory granularity"
   8         default IA64_GRANULE_64MB
   9
  10 config IA64_GRANULE_16MB
  11         bool "16MB"
  12         help
  13           IA-64 identity-mapped regions use a large page size called "granules".
  14
  15           Select "16MB" for a small granule size.
  16           Select "64MB" for a large granule size.  This is the current default.
  17
  18 config IA64_GRANULE_64MB
  19         bool "64MB"
  20         depends on !(IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_SGI_SN2)
  21
  22 endchoice
  23
  24 config IA64_PRINT_HAZARDS
  25         bool "Print possible IA-64 dependency violations to console"
  26         depends on DEBUG_KERNEL
  27         help
  28           Selecting this option prints more information for Illegal Dependency
  29           Faults, that is, for Read-after-Write (RAW), Write-after-Write (WAW),
  30           or Write-after-Read (WAR) violations.  This option is ignored if you
  31           are compiling for an Itanium A step processor
  32           (CONFIG_ITANIUM_ASTEP_SPECIFIC).  If you're unsure, select Y.
  33
  34 config DISABLE_VHPT
  35         bool "Disable VHPT"
  36         depends on DEBUG_KERNEL
  37         help
  38           The Virtual Hash Page Table (VHPT) enhances virtual address
  39           translation performance.  Normally you want the VHPT active but you
  40           can select this option to disable the VHPT for debugging.  If you're
  41           unsure, answer N.
  42
  43 config IA64_DEBUG_CMPXCHG
  44         bool "Turn on compare-and-exchange bug checking (slow!)"
  45         depends on DEBUG_KERNEL
  46         help
  47           Selecting this option turns on bug checking for the IA-64
  48           compare-and-exchange instructions.  This is slow!  Itaniums
  49           from step B3 or later don't have this problem. If you're unsure,
  50           select N.
  51
  52 config IA64_DEBUG_IRQ
  53         bool "Turn on irq debug checks (slow!)"
  54         depends on DEBUG_KERNEL
  55         help
  56           Selecting this option turns on bug checking for the IA-64 irq_save
  57           and restore instructions.  It's useful for tracking down spinlock
  58           problems, but slow!  If you're unsure, select N.
  59
  60 endmenu