[PATCH] i386: Do better early exception handlers

[pandora-kernel.git] / arch / i386 / Kconfig

diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index 3bb221d..e34a4db 100644 (file)
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -18,6 +18,14 @@ config GENERIC_TIME
        bool
        default y
 
+config LOCKDEP_SUPPORT
+       bool
+       default y
+
+config STACKTRACE_SUPPORT
+       bool
+       default y
+
 config SEMAPHORE_SLEEPERS
        bool
        default y
@@ -134,6 +142,7 @@ config X86_SUMMIT
          In particular, it is needed for the x440.
 
          If you don't have one of these computers, you should say N here.
+         If you want to build a NUMA kernel, you must select ACPI.
 
 config X86_BIGSMP
        bool "Support for other sub-arch SMP systems with more than 8 CPUs"
@@ -157,10 +166,10 @@ config X86_VISWS
 
 config X86_GENERICARCH
        bool "Generic architecture (Summit, bigsmp, ES7000, default)"
-       depends on SMP
        help
           This option compiles in the Summit, bigsmp, ES7000, default subarchitectures.
          It is intended for a generic binary kernel.
+         If you want a NUMA kernel, select ACPI.   We need SRAT for NUMA.
 
 config X86_ES7000
        bool "Support for Unisys ES7000 IA32 series"
@@ -176,7 +185,7 @@ endchoice
 config ACPI_SRAT
        bool
        default y
-       depends on NUMA && (X86_SUMMIT || X86_GENERICARCH)
+       depends on ACPI && NUMA && (X86_SUMMIT || X86_GENERICARCH)
        select ACPI_NUMA
 
 config HAVE_ARCH_PARSE_SRAT
@@ -253,7 +262,7 @@ source "kernel/Kconfig.preempt"
 
 config X86_UP_APIC
        bool "Local APIC support on uniprocessors"
-       depends on !SMP && !(X86_VISWS || X86_VOYAGER)
+       depends on !SMP && !(X86_VISWS || X86_VOYAGER || X86_GENERICARCH)
        help
          A local APIC (Advanced Programmable Interrupt Controller) is an
          integrated interrupt controller in the CPU. If you have a single-CPU
@@ -278,12 +287,12 @@ config X86_UP_IOAPIC
 
 config X86_LOCAL_APIC
        bool
-       depends on X86_UP_APIC || ((X86_VISWS || SMP) && !X86_VOYAGER)
+       depends on X86_UP_APIC || ((X86_VISWS || SMP) && !X86_VOYAGER) || X86_GENERICARCH
        default y
 
 config X86_IO_APIC
        bool
-       depends on X86_UP_IOAPIC || (SMP && !(X86_VISWS || X86_VOYAGER))
+       depends on X86_UP_IOAPIC || (SMP && !(X86_VISWS || X86_VOYAGER)) || X86_GENERICARCH
        default y
 
 config X86_VISWS_APIC
@@ -529,11 +538,12 @@ config X86_PAE
        bool
        depends on HIGHMEM64G
        default y
+       select RESOURCES_64BIT
 
 # Common NUMA Features
 config NUMA
        bool "Numa Memory Allocation and Scheduler Support"
-       depends on SMP && HIGHMEM64G && (X86_NUMAQ || X86_GENERICARCH || (X86_SUMMIT && ACPI))
+       depends on SMP && HIGHMEM64G && (X86_NUMAQ || (X86_SUMMIT || X86_GENERICARCH) && ACPI)
        default n if X86_PC
        default y if (X86_NUMAQ || X86_SUMMIT)
 
@@ -663,7 +673,7 @@ config MTRR
          See <file:Documentation/mtrr.txt> for more information.
 
 config EFI
-       bool "Boot from EFI support (EXPERIMENTAL)"
+       bool "Boot from EFI support"
        depends on ACPI
        default n
        ---help---
@@ -737,7 +747,7 @@ config KEXEC
          but it is independent of the system firmware.   And like a reboot
          you can start any kernel with it, not just Linux.
 
-         The name comes from the similiarity to the exec system call.
+         The name comes from the similarity to the exec system call.
 
          It is an ongoing process to be certain the hardware in a machine
          is properly shutdown, so do not be surprised if this code does not
@@ -751,6 +761,13 @@ config CRASH_DUMP
        depends on HIGHMEM
        help
          Generate crash dump after being started by kexec.
+          This should be normally only set in special crash dump kernels
+         which are loaded in the main kernel with kexec-tools into
+         a specially reserved region and then later executed after
+         a crash by kdump/kexec. The crash dump kernel must be compiled
+          to a memory address not used by the main kernel or BIOS using
+          PHYSICAL_START.
+         For more details see Documentation/kdump/kdump.txt
 
 config PHYSICAL_START
        hex "Physical address where the kernel is loaded" if (EMBEDDED || CRASH_DUMP)
@@ -794,6 +811,9 @@ config COMPAT_VDSO
 
 endmenu
 
+config ARCH_ENABLE_MEMORY_HOTPLUG
+       def_bool y
+       depends on HIGHMEM
 
 menu "Power management options (ACPI, APM)"
        depends on !X86_VOYAGER