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59 lines
2.0 KiB
59 lines
2.0 KiB
menu "Kernel hacking"
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source "lib/Kconfig.debug"
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config EARLY_PRINTK
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bool
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depends on ALPHA_GENERIC || ALPHA_SRM
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default y
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config DEBUG_RWLOCK
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bool "Read-write spinlock debugging"
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depends on DEBUG_KERNEL
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help
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If you say Y here then read-write lock processing will count how many
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times it has tried to get the lock and issue an error message after
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too many attempts. If you suspect a rwlock problem or a kernel
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hacker asks for this option then say Y. Otherwise say N.
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config DEBUG_SEMAPHORE
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bool "Semaphore debugging"
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depends on DEBUG_KERNEL
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help
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If you say Y here then semaphore processing will issue lots of
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verbose debugging messages. If you suspect a semaphore problem or a
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kernel hacker asks for this option then say Y. Otherwise say N.
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config ALPHA_LEGACY_START_ADDRESS
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bool "Legacy kernel start address"
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depends on ALPHA_GENERIC
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default n
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---help---
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The 2.4 kernel changed the kernel start address from 0x310000
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to 0x810000 to make room for the Wildfire's larger SRM console.
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Recent consoles on Titan and Marvel machines also require the
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extra room.
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If you're using aboot 0.7 or later, the bootloader will examine the
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ELF headers to determine where to transfer control. Unfortunately,
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most older bootloaders -- APB or MILO -- hardcoded the kernel start
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address rather than examining the ELF headers, and the result is a
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hard lockup.
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Say Y if you have a broken bootloader. Say N if you do not, or if
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you wish to run on Wildfire, Titan, or Marvel.
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config ALPHA_LEGACY_START_ADDRESS
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bool
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depends on !ALPHA_GENERIC && !ALPHA_TITAN && !ALPHA_MARVEL && !ALPHA_WILDFIRE
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default y
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config MATHEMU
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tristate "Kernel FP software completion" if DEBUG_KERNEL && !SMP
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default y if !DEBUG_KERNEL || SMP
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help
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This option is required for IEEE compliant floating point arithmetic
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on the Alpha. The only time you would ever not say Y is to say M in
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order to debug the code. Say Y unless you know what you are doing.
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endmenu
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