androidcomputer: adjust vga display ouput

[firefly-linux-kernel-4.4.55.git] / arch / x86 / Kconfig.debug

diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index 75085080b63e2f74d32d4fa2b4bd2f8972d2b7de..c0f8a5c889107bf80ab45eaf33468e5120ee6a56 100644 (file)
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -31,7 +31,7 @@ config X86_VERBOSE_BOOTUP
          see errors. Disable this if you want silent bootup.
 
 config EARLY_PRINTK
-       bool "Early printk" if EMBEDDED
+       bool "Early printk" if EXPERT
        default y
        ---help---
          Write kernel log output directly into the VGA buffer or to a serial
@@ -43,6 +43,10 @@ config EARLY_PRINTK
          with klogd/syslogd or the X server. You should normally N here,
          unless you want to debug such a crash.
 
+config EARLY_PRINTK_MRST
+       bool "Early printk for MRST platform support"
+       depends on EARLY_PRINTK && X86_MRST
+
 config EARLY_PRINTK_DBGP
        bool "Early printk via EHCI debug port"
        depends on EARLY_PRINTK && PCI
@@ -62,26 +66,6 @@ config DEBUG_STACKOVERFLOW
          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 DEBUG_PER_CPU_MAPS
-       bool "Debug access to per_cpu maps"
-       depends on DEBUG_KERNEL
-       depends on SMP
-       ---help---
-         Say Y to verify that the per_cpu map being accessed has
-         been setup.  Adds a fair amount of code to kernel memory
-         and decreases performance.
-
-         Say N if unsure.
-
 config X86_PTDUMP
        bool "Export kernel pagetable layout to userspace via debugfs"
        depends on DEBUG_KERNEL
@@ -113,6 +97,17 @@ config DEBUG_RODATA_TEST
          feature as well as for the change_page_attr() infrastructure.
          If in doubt, say "N"
 
+config DEBUG_SET_MODULE_RONX
+       bool "Set loadable kernel module data as NX and text as RO"
+       depends on MODULES
+       ---help---
+         This option helps catch unintended modifications to loadable
+         kernel module's text and read-only data. It also prevents execution
+         of module data. Such protection may interfere with run-time code
+         patching and dynamic kernel tracing - and they might also protect
+         against certain classes of kernel exploits.
+         If in doubt, say "N".
+
 config DEBUG_NX_TEST
        tristate "Testcase for the NX non-executable stack feature"
        depends on DEBUG_KERNEL && m
@@ -121,19 +116,9 @@ config DEBUG_NX_TEST
          and the software setup of this feature.
          If in doubt, say "N"
 
-config 4KSTACKS
-       bool "Use 4Kb for kernel stacks instead of 8Kb"
-       depends on X86_32
-       ---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 DOUBLEFAULT
        default y
-       bool "Enable doublefault exception handler" if EMBEDDED
+       bool "Enable doublefault exception handler" if EXPERT
        depends on X86_32
        ---help---
          This option allows trapping of rare doublefault exceptions that