Root/
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 |
65 |
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
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v3.9