Merge master.kernel.org:/pub/scm/linux/kernel/git/herbert/crypto-2.6

[linux-drm-fsl-dcu.git] / arch / sh / Kconfig.debug

diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index 8fb31ab2c02c1fa4031013310f8a07df42291b36..b56307294b6764933deeb82284c8ea6617dc6e8c 100644 (file)
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -1,5 +1,9 @@
 menu "Kernel hacking"
 
+config TRACE_IRQFLAGS_SUPPORT
+       bool
+       default y
+
 source "lib/Kconfig.debug"
 
 config SH_STANDARD_BIOS
@@ -17,7 +21,20 @@ config SH_STANDARD_BIOS
 
 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 "0xa4400000" if CPU_SUBTYPE_SH7712 || CPU_SUBTYPE_SH7705
+       default "0xffe80000" if CPU_SH4
 
 config EARLY_PRINTK
        bool "Early printk support"
@@ -30,15 +47,48 @@ config EARLY_PRINTK
          when the kernel may crash or hang before the serial console is
          initialised. If unsure, say N.
 
-config KGDB
+         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 SH_KGDB
        bool "Include KGDB kernel debugger"
+       select FRAME_POINTER
+       select DEBUG_INFO
        help
          Include in-kernel hooks for kgdb, the Linux kernel source level
          debugger.  See <http://kgdb.sourceforge.net/> for more information.
          Unless you are intending to debug the kernel, say N here.
 
 menu "KGDB configuration options"
-       depends on KGDB
+       depends on SH_KGDB
 
 config MORE_COMPILE_OPTIONS
        bool "Add any additional compile options"
@@ -55,22 +105,16 @@ config KGDB_NMI
        bool "Enter KGDB on NMI"
        default n
 
-config KGDB_THREAD
-       bool "Include KGDB thread support"
-       default y
-
 config SH_KGDB_CONSOLE
        bool "Console messages through GDB"
+       depends on !SERIAL_SH_SCI_CONSOLE
+       select SERIAL_CORE_CONSOLE
        default n
 
 config KGDB_SYSRQ
        bool "Allow SysRq 'G' to enter KGDB"
        default y
 
-config KGDB_KERNEL_ASSERTS
-       bool "Include KGDB kernel assertions"
-       default n
-
 comment "Serial port setup"
 
 config KGDB_DEFPORT
@@ -83,7 +127,7 @@ config KGDB_DEFBAUD
 
 choice
        prompt "Parity"
-       depends on KGDB
+       depends on SH_KGDB
        default KGDB_DEFPARITY_N
 
 config KGDB_DEFPARITY_N
@@ -99,7 +143,7 @@ endchoice
 
 choice
        prompt "Data bits"
-       depends on KGDB
+       depends on SH_KGDB
        default KGDB_DEFBITS_8
 
 config KGDB_DEFBITS_8
@@ -112,13 +156,4 @@ endchoice
 
 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