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- menu "Kernel hacking"
- source "lib/Kconfig.debug"
- choice
- prompt "Physical memory granularity"
- default IA64_GRANULE_64MB
- config IA64_GRANULE_16MB
- bool "16MB"
- help
- IA-64 identity-mapped regions use a large page size called "granules".
- Select "16MB" for a small granule size.
- Select "64MB" for a large granule size. This is the current default.
- config IA64_GRANULE_64MB
- bool "64MB"
- depends on !(IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_SGI_SN2)
- endchoice
- config IA64_PRINT_HAZARDS
- bool "Print possible IA-64 dependency violations to console"
- depends on DEBUG_KERNEL
- help
- Selecting this option prints more information for Illegal Dependency
- Faults, that is, for Read-after-Write (RAW), Write-after-Write (WAW),
- or Write-after-Read (WAR) violations. This option is ignored if you
- are compiling for an Itanium A step processor
- (CONFIG_ITANIUM_ASTEP_SPECIFIC). If you're unsure, select Y.
- config DISABLE_VHPT
- bool "Disable VHPT"
- depends on DEBUG_KERNEL
- help
- The Virtual Hash Page Table (VHPT) enhances virtual address
- translation performance. Normally you want the VHPT active but you
- can select this option to disable the VHPT for debugging. If you're
- unsure, answer N.
- config IA64_DEBUG_CMPXCHG
- bool "Turn on compare-and-exchange bug checking (slow!)"
- depends on DEBUG_KERNEL
- help
- Selecting this option turns on bug checking for the IA-64
- compare-and-exchange instructions. This is slow! Itaniums
- from step B3 or later don't have this problem. If you're unsure,
- select N.
- config IA64_DEBUG_IRQ
- bool "Turn on irq debug checks (slow!)"
- depends on DEBUG_KERNEL
- help
- Selecting this option turns on bug checking for the IA-64 irq_save
- and restore instructions. It's useful for tracking down spinlock
- problems, but slow! If you're unsure, select N.
- config SYSVIPC_COMPAT
- bool
- depends on COMPAT && SYSVIPC
- default y
- endmenu
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