1# SPDX-License-Identifier: GPL-2.0 2 3choice 4 prompt "Physical memory granularity" 5 default IA64_GRANULE_64MB 6 7config 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 15config IA64_GRANULE_64MB 16 bool "64MB" 17 depends on !(IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_SGI_SN2) 18 19endchoice 20 21config 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 31config 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 40config 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 49config 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. 56