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Linux/arch/ia64/Kconfig.debug

  1 menu "Kernel hacking"
  2 
  3 source "lib/Kconfig.debug"
  4 
  5 choice
  6         prompt "Physical memory granularity"
  7         default IA64_GRANULE_64MB
  8 
  9 config IA64_GRANULE_16MB
 10         bool "16MB"
 11         help
 12           IA-64 identity-mapped regions use a large page size called "granules".
 13 
 14           Select "16MB" for a small granule size.
 15           Select "64MB" for a large granule size.  This is the current default.
 16 
 17 config IA64_GRANULE_64MB
 18         bool "64MB"
 19         depends on !(IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_SGI_SN2)
 20 
 21 endchoice
 22 
 23 config IA64_PRINT_HAZARDS
 24         bool "Print possible IA-64 dependency violations to console"
 25         depends on DEBUG_KERNEL
 26         help
 27           Selecting this option prints more information for Illegal Dependency
 28           Faults, that is, for Read-after-Write (RAW), Write-after-Write (WAW),
 29           or Write-after-Read (WAR) violations.  This option is ignored if you
 30           are compiling for an Itanium A step processor
 31           (CONFIG_ITANIUM_ASTEP_SPECIFIC).  If you're unsure, select Y.
 32 
 33 config DISABLE_VHPT
 34         bool "Disable VHPT"
 35         depends on DEBUG_KERNEL
 36         help
 37           The Virtual Hash Page Table (VHPT) enhances virtual address
 38           translation performance.  Normally you want the VHPT active but you
 39           can select this option to disable the VHPT for debugging.  If you're
 40           unsure, answer N.
 41 
 42 config IA64_DEBUG_CMPXCHG
 43         bool "Turn on compare-and-exchange bug checking (slow!)"
 44         depends on DEBUG_KERNEL
 45         help
 46           Selecting this option turns on bug checking for the IA-64
 47           compare-and-exchange instructions.  This is slow!  Itaniums
 48           from step B3 or later don't have this problem. If you're unsure,
 49           select N.
 50 
 51 config IA64_DEBUG_IRQ
 52         bool "Turn on irq debug checks (slow!)"
 53         depends on DEBUG_KERNEL
 54         help
 55           Selecting this option turns on bug checking for the IA-64 irq_save
 56           and restore instructions.  It's useful for tracking down spinlock
 57           problems, but slow!  If you're unsure, select N.
 58 
 59 config SYSVIPC_COMPAT
 60         bool
 61         depends on COMPAT && SYSVIPC
 62         default y
 63 
 64 endmenu

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