1 # SPDX-License-Identifier: GPL-2.0
4 prompt "Physical memory granularity"
5 default IA64_GRANULE_64MB
7 config IA64_GRANULE_16MB
10 IA-64 identity-mapped regions use a large page size called "granules".
12 Select "16MB" for a small granule size.
13 Select "64MB" for a large granule size. This is the current default.
15 config IA64_GRANULE_64MB
17 depends on !(IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_SGI_SN2)
21 config IA64_PRINT_HAZARDS
22 bool "Print possible IA-64 dependency violations to console"
23 depends on DEBUG_KERNEL
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.
33 depends on DEBUG_KERNEL
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
40 config IA64_DEBUG_CMPXCHG
41 bool "Turn on compare-and-exchange bug checking (slow!)"
42 depends on DEBUG_KERNEL
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,
50 bool "Turn on irq debug checks (slow!)"
51 depends on DEBUG_KERNEL
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.