X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fi386%2FKconfig.debug;fp=arch%2Fi386%2FKconfig.debug;h=b7dc11db34790f648d31197b1d646787b9af38e3;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=bf32ecc9ad04908bf20e6b1f76d3250a02aeada6;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/arch/i386/Kconfig.debug b/arch/i386/Kconfig.debug
index bf32ecc9a..b7dc11db3 100644
--- a/arch/i386/Kconfig.debug
+++ b/arch/i386/Kconfig.debug
@@ -1,5 +1,9 @@
 menu "Kernel hacking"
 
+config TRACE_IRQFLAGS_SUPPORT
+	bool
+	default y
+
 source "lib/Kconfig.debug"
 
 config EARLY_PRINTK
@@ -35,8 +39,8 @@ comment "Page alloc debug is incompatible with Software Suspend on i386"
 	depends on DEBUG_KERNEL && SOFTWARE_SUSPEND
 
 config DEBUG_PAGEALLOC
-	bool "Page alloc debugging"
-	depends on DEBUG_KERNEL && !SOFTWARE_SUSPEND
+	bool "Debug page memory allocations"
+	depends on DEBUG_KERNEL && !SOFTWARE_SUSPEND && !HUGETLBFS
 	help
 	  Unmap pages from the kernel linear mapping after free_pages().
 	  This results in a large slowdown, but helps to find certain types
@@ -72,4 +76,24 @@ config X86_MPPARSE
 	depends on X86_LOCAL_APIC && !X86_VISWS
 	default y
 
+config DOUBLEFAULT
+	default y
+	bool "Enable doublefault exception handler" if EMBEDDED
+	depends on !X86_NO_TSS
+	help
+          This option allows trapping of rare doublefault exceptions that
+          would otherwise cause a system to silently reboot. Disabling this
+          option saves about 4k and might cause you much additional grey
+          hair.
+
+config DEBUG_PARAVIRT
+	bool "Enable some paravirtualization debugging"
+	default y
+	depends on PARAVIRT && DEBUG_KERNEL
+	help
+	  Currently deliberately clobbers regs which are allowed to be
+	  clobbered in inlined paravirt hooks, even in native mode.
+	  If turning this off solves a problem, then DISABLE_INTERRUPTS() or
+	  ENABLE_INTERRUPTS() is lying about what registers can be clobbered.
+
 endmenu