fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / arch / sh / Kconfig.debug

diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index 8fb31ab..87902e0 100644 (file)
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -1,5 +1,9 @@
 menu "Kernel hacking"
 
 menu "Kernel hacking"
 

+config TRACE_IRQFLAGS_SUPPORT
+       bool
+       default y
+

 source "lib/Kconfig.debug"
 
 config SH_STANDARD_BIOS
 source "lib/Kconfig.debug"
 
 config SH_STANDARD_BIOS


@@ -17,7 +21,19 @@ config SH_STANDARD_BIOS
 
 config EARLY_SCIF_CONSOLE
        bool "Use early SCIF console"
 
 config EARLY_SCIF_CONSOLE
        bool "Use early SCIF console"

-       depends on CPU_SH4 || CPU_SH2A && !SH_STANDARD_BIOS
+       help
+         This enables an early console using a fixed SCIF port. This can
+         be used by platforms that are either not running the SH
+         standard BIOS, or do not wish to use the BIOS callbacks for the
+         serial I/O.
+
+config EARLY_SCIF_CONSOLE_PORT
+       hex "SCIF port for early console"
+       depends on EARLY_SCIF_CONSOLE
+       default "0xffe00000" if CPU_SUBTYPE_SH7780
+       default "0xfffe9800" if CPU_SUBTYPE_SH7206
+       default "0xf8420000" if CPU_SUBTYPE_SH7619
+       default "0xffe80000" if CPU_SH4

 
 config EARLY_PRINTK
        bool "Early printk support"
 
 config EARLY_PRINTK
        bool "Early printk support"


@@ -30,8 +46,40 @@ config EARLY_PRINTK
          when the kernel may crash or hang before the serial console is
          initialised. If unsure, say N.
 
          when the kernel may crash or hang before the serial console is
          initialised. If unsure, say N.
 

+         On devices that are running SH-IPL and want to keep the port
+         initialization consistent while not using the BIOS callbacks,
+         select both the EARLY_SCIF_CONSOLE and SH_STANDARD_BIOS, using
+         the kernel command line option to toggle back and forth.
+
+config DEBUG_STACKOVERFLOW
+       bool "Check for stack overflows"
+       depends on DEBUG_KERNEL
+       help
+         This option will cause messages to be printed if free stack space
+         drops below a certain limit.
+
+config DEBUG_STACK_USAGE
+       bool "Stack utilization instrumentation"
+       depends on DEBUG_KERNEL
+       help
+         Enables the display of the minimum amount of free stack which each
+         task has ever had available in the sysrq-T and sysrq-P debug output.
+
+         This option will slow down process creation somewhat.
+
+config 4KSTACKS
+       bool "Use 4Kb for kernel stacks instead of 8Kb"
+       depends on DEBUG_KERNEL
+       help
+         If you say Y here the kernel will use a 4Kb stacksize for the
+         kernel stack attached to each process/thread. This facilitates
+         running more threads on a system and also reduces the pressure
+         on the VM subsystem for higher order allocations. This option
+         will also use IRQ stacks to compensate for the reduced stackspace.
+

 config KGDB
        bool "Include KGDB kernel debugger"
 config KGDB
        bool "Include KGDB kernel debugger"

+       select FRAME_POINTER

        help
          Include in-kernel hooks for kgdb, the Linux kernel source level
          debugger.  See <http://kgdb.sourceforge.net/> for more information.
        help
          Include in-kernel hooks for kgdb, the Linux kernel source level
          debugger.  See <http://kgdb.sourceforge.net/> for more information.


@@ -112,13 +160,4 @@ endchoice
 
 endmenu
 
 
 endmenu
 

-config FRAME_POINTER
-       bool "Compile the kernel with frame pointers"
-       default y if KGDB
-       help
-         If you say Y here the resulting kernel image will be slightly larger
-         and slower, but it will give very useful debugging information.
-         If you don't debug the kernel, you can say N, but we may not be able
-         to solve problems without frame pointers.
-

 endmenu
 endmenu