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Linux/arch/parisc/Kconfig.debug

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Diff markup

Differences between /arch/parisc/Kconfig.debug (Version linux-6.12-rc7) and /arch/alpha/Kconfig.debug (Version linux-4.13.16)


  1 # SPDX-License-Identifier: GPL-2.0             !!   1 menu "Kernel hacking"
  2 #                                              !!   2 
  3 config LIGHTWEIGHT_SPINLOCK_CHECK              !!   3 source "lib/Kconfig.debug"
  4         bool "Enable lightweight spinlock chec !!   4 
  5         depends on DEBUG_KERNEL && SMP && !DEB !!   5 config EARLY_PRINTK
                                                   >>   6         bool
                                                   >>   7         depends on ALPHA_GENERIC || ALPHA_SRM
  6         default y                                   8         default y
  7         help                                   !!   9 
  8           Add checks with low performance impa !!  10 config ALPHA_LEGACY_START_ADDRESS
  9           to catch memory overwrites at runtim !!  11         bool "Legacy kernel start address"
 10           spinlock debugging you should choose !!  12         depends on ALPHA_GENERIC
 11           which will detect unitialized spinlo << 
 12           If unsure say Y here.                << 
 13                                                << 
 14 config TLB_PTLOCK                              << 
 15         bool "Use page table locks in TLB faul << 
 16         depends on DEBUG_KERNEL && SMP         << 
 17         default n                                  13         default n
                                                   >>  14         ---help---
                                                   >>  15           The 2.4 kernel changed the kernel start address from 0x310000
                                                   >>  16           to 0x810000 to make room for the Wildfire's larger SRM console.
                                                   >>  17           Recent consoles on Titan and Marvel machines also require the
                                                   >>  18           extra room.
                                                   >>  19 
                                                   >>  20           If you're using aboot 0.7 or later, the bootloader will examine the
                                                   >>  21           ELF headers to determine where to transfer control. Unfortunately,
                                                   >>  22           most older bootloaders -- APB or MILO -- hardcoded the kernel start
                                                   >>  23           address rather than examining the ELF headers, and the result is a
                                                   >>  24           hard lockup.
                                                   >>  25 
                                                   >>  26           Say Y if you have a broken bootloader.  Say N if you do not, or if
                                                   >>  27           you wish to run on Wildfire, Titan, or Marvel.
                                                   >>  28 
                                                   >>  29 config ALPHA_LEGACY_START_ADDRESS
                                                   >>  30         bool
                                                   >>  31         depends on !ALPHA_GENERIC && !ALPHA_TITAN && !ALPHA_MARVEL && !ALPHA_WILDFIRE
                                                   >>  32         default y
                                                   >>  33 
                                                   >>  34 config MATHEMU
                                                   >>  35         tristate "Kernel FP software completion" if DEBUG_KERNEL && !SMP
                                                   >>  36         default y if !DEBUG_KERNEL || SMP
 18         help                                       37         help
 19           Select this option to enable page ta !!  38           This option is required for IEEE compliant floating point arithmetic
 20           fault handler. This ensures that pag !!  39           on the Alpha. The only time you would ever not say Y is to say M in
 21           updated consistently on SMP machines !!  40           order to debug the code. Say Y unless you know what you are doing.
 22           loss in performance.                 << 
 23                                                    41 
                                                   >>  42 endmenu
                                                      

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