sh: Use more aggressive dcache purging in kmap teardown.

[safe/jmp/linux-2.6] / arch / sh / Kconfig.debug

diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index 8179cc9..55907af 100644 (file)
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -38,10 +38,13 @@ config EARLY_SCIF_CONSOLE_PORT
        default "0xffe00000" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7763 || \
                                CPU_SUBTYPE_SH7722 || CPU_SUBTYPE_SH7366 || \
                                CPU_SUBTYPE_SH7343
-       default "0xffea0000" if CPU_SUBTYPE_SH7785
+       default "0xfe4c0000" if CPU_SUBTYPE_SH7757
+       default "0xffeb0000" if CPU_SUBTYPE_SH7785
+       default "0xffeb0000" if CPU_SUBTYPE_SH7786
        default "0xfffe8000" if CPU_SUBTYPE_SH7203
        default "0xfffe9800" if CPU_SUBTYPE_SH7206 || CPU_SUBTYPE_SH7263
        default "0xffe80000" if CPU_SH4
+       default "0xa4000150" if CPU_SH3
        default "0x00000000"
 
 config EARLY_PRINTK
@@ -60,16 +63,14 @@ config EARLY_PRINTK
          select both the EARLY_SCIF_CONSOLE and SH_STANDARD_BIOS, using
          the kernel command line option to toggle back and forth.
 
-config DEBUG_BOOTMEM
-       depends on DEBUG_KERNEL
-       bool "Debug BOOTMEM initialization"
-
-config DEBUG_STACKOVERFLOW
+config STACK_DEBUG
        bool "Check for stack overflows"
        depends on DEBUG_KERNEL && SUPERH32
        help
          This option will cause messages to be printed if free stack space
-         drops below a certain limit.
+         drops below a certain limit. Saying Y here will add overhead to
+         every function call and will therefore incur a major
+         performance hit. Most users should say N.
 
 config DEBUG_STACK_USAGE
        bool "Stack utilization instrumentation"
@@ -110,6 +111,14 @@ config DUMP_CODE
 
          Those looking for more verbose debugging output should say Y.
 
+config DWARF_UNWINDER
+       bool "Enable the DWARF unwinder for stacktraces"
+       select FRAME_POINTER
+       default n
+       help
+         Enabling this option will make stacktraces more accurate, at
+         the cost of an increase in overall kernel size.
+
 config SH_NO_BSS_INIT
        bool "Avoid zeroing BSS (to speed-up startup on suitable platforms)"
        depends on DEBUG_KERNEL
@@ -126,4 +135,9 @@ config SH64_SR_WATCH
        bool "Debug: set SR.WATCH to enable hardware watchpoints and trace"
        depends on SUPERH64
 
+config MCOUNT
+       def_bool y
+       depends on SUPERH32
+       depends on STACK_DEBUG || FUNCTION_TRACER
+
 endmenu