[PATCH] net: ne2k.c won't compile if pci_clone_list is const

[linux-2.6-block.git] / arch / i386 / Kconfig.debug

diff --git a/arch/i386/Kconfig.debug b/arch/i386/Kconfig.debug
index c48b424dd6401de05d5c8d3ecbbf661e15f0a78f..00108ba9a78dcef5629ead0e8bea35d0c08c9ea7 100644 (file)
--- a/arch/i386/Kconfig.debug
+++ b/arch/i386/Kconfig.debug
@@ -31,6 +31,15 @@ config DEBUG_STACK_USAGE
 
          This option will slow down process creation somewhat.
 
+config STACK_BACKTRACE_COLS
+       int "Stack backtraces per line" if DEBUG_KERNEL
+       range 1 3
+       default 2
+       help
+         Selects how many stack backtrace entries per line to display.
+
+         This can save screen space when displaying traces.
+
 comment "Page alloc debug is incompatible with Software Suspend on i386"
        depends on DEBUG_KERNEL && SOFTWARE_SUSPEND
 
@@ -42,6 +51,16 @@ config DEBUG_PAGEALLOC
          This results in a large slowdown, but helps to find certain types
          of memory corruptions.
 
+config DEBUG_RODATA
+       bool "Write protect kernel read-only data structures"
+       depends on DEBUG_KERNEL
+       help
+         Mark the kernel read-only data as write-protected in the pagetables,
+         in order to catch accidental (and incorrect) writes to such const
+         data. This option may have a slight performance impact because a
+         portion of the kernel code won't be covered by a 2MB TLB anymore.
+         If in doubt, say "N".
+
 config 4KSTACKS
        bool "Use 4Kb for kernel stacks instead of 8Kb"
        depends on DEBUG_KERNEL