X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fx86%2FKconfig.debug;h=9431a8399844e1d96c235bdb6ca7821b93eea914;hb=86069782d62e731b4835a0cf8eb7d1d0e17cf306;hp=610aaecc19f820013ecfb9564f6c7b9762fdb82c;hpb=cf816ecb533ab96b883dfdc0db174598b5b5c4d2;p=linux-2.6

diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index 610aaecc19..9431a83998 100644
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -5,6 +5,17 @@ config TRACE_IRQFLAGS_SUPPORT
 
 source "lib/Kconfig.debug"
 
+config NONPROMISC_DEVMEM
+	bool "Disable promiscuous /dev/mem"
+	help
+	  The /dev/mem file by default only allows userspace access to PCI
+	  space and the BIOS code and data regions. This is sufficient for
+	  dosemu and X and all common users of /dev/mem. With this config
+	  option, you allow userspace access to all of memory, including
+	  kernel and userspace memory. Accidental access to this is
+	  obviously disasterous, but specific access can be used by people
+	  debugging the kernel.
+
 config EARLY_PRINTK
 	bool "Early printk" if EMBEDDED
 	default y
@@ -107,7 +118,6 @@ config DEBUG_NX_TEST
 config 4KSTACKS
 	bool "Use 4Kb for kernel stacks instead of 8Kb"
 	depends on X86_32
-	default y
 	help
 	  If you say Y here the kernel will use a 4Kb stacksize for the
 	  kernel stack attached to each process/thread. This facilitates
@@ -158,6 +168,14 @@ config IOMMU_LEAK
 	  Add a simple leak tracer to the IOMMU code. This is useful when you
 	  are debugging a buggy device driver that leaks IOMMU mappings.
 
+config PAGE_FAULT_HANDLERS
+	bool "Custom page fault handlers"
+	depends on DEBUG_KERNEL
+	help
+	  Allow the use of custom page fault handlers. A kernel module may
+	  register a function that is called on every page fault. Custom
+	  handlers are used by some debugging and reverse engineering tools.
+
 #
 # IO delay types:
 #
@@ -245,4 +263,18 @@ config CPA_DEBUG
 	help
 	  Do change_page_attr() self-tests every 30 seconds.
 
+config OPTIMIZE_INLINING
+	bool "Allow gcc to uninline functions marked 'inline'"
+	depends on BROKEN
+	help
+	  This option determines if the kernel forces gcc to inline the functions
+	  developers have marked 'inline'. Doing so takes away freedom from gcc to
+	  do what it thinks is best, which is desirable for the gcc 3.x series of
+	  compilers. The gcc 4.x series have a rewritten inlining algorithm and
+	  disabling this option will generate a smaller kernel there. Hopefully
+	  this algorithm is so good that allowing gcc4 to make the decision can
+	  become the default in the future, until then this option is there to
+	  test gcc for this.
+
 endmenu
+