KVM: x86: Enable NMI Watchdog via in-kernel PIT source

[safe/jmp/linux-2.6] / arch / x86 / Kconfig

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index a2ae4c0..0f44add 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -31,11 +31,14 @@ config X86
        select HAVE_FTRACE_MCOUNT_RECORD
        select HAVE_DYNAMIC_FTRACE
        select HAVE_FUNCTION_TRACER
+       select HAVE_FUNCTION_GRAPH_TRACER
+       select HAVE_FUNCTION_TRACE_MCOUNT_TEST
        select HAVE_KVM if ((X86_32 && !X86_VOYAGER && !X86_VISWS && !X86_NUMAQ) || X86_64)
        select HAVE_ARCH_KGDB if !X86_VOYAGER
        select HAVE_ARCH_TRACEHOOK
        select HAVE_GENERIC_DMA_COHERENT if X86_32
        select HAVE_EFFICIENT_UNALIGNED_ACCESS
+       select USER_STACKTRACE_SUPPORT
 
 config ARCH_DEFCONFIG
        string
@@ -244,6 +247,28 @@ config X86_HAS_BOOT_CPU_ID
        def_bool y
        depends on X86_VOYAGER
 
+config SPARSE_IRQ
+       bool "Support sparse irq numbering"
+       depends on PCI_MSI || HT_IRQ
+       help
+         This enables support for sparse irqs. This is useful for distro
+         kernels that want to define a high CONFIG_NR_CPUS value but still
+         want to have low kernel memory footprint on smaller machines.
+
+         ( Sparse IRQs can also be beneficial on NUMA boxes, as they spread
+           out the irq_desc[] array in a more NUMA-friendly way. )
+
+         If you don't know what to do here, say N.
+
+config NUMA_MIGRATE_IRQ_DESC
+       bool "Move irq desc when changing irq smp_affinity"
+       depends on SPARSE_IRQ && NUMA
+       default n
+       help
+         This enables moving irq_desc to cpu/node that irq will use handled.
+
+         If you don't know what to do here, say N.
+
 config X86_FIND_SMP_CONFIG
        def_bool y
        depends on X86_MPPARSE || X86_VOYAGER
@@ -365,10 +390,10 @@ config X86_RDC321X
          as R-8610-(G).
          If you don't have one of these chips, you should say N here.
 
-config SCHED_NO_NO_OMIT_FRAME_POINTER
+config SCHED_OMIT_FRAME_POINTER
        def_bool y
        prompt "Single-depth WCHAN output"
-       depends on X86_32
+       depends on X86
        help
          Calculate simpler /proc/<PID>/wchan values. If this option
          is disabled then wchan values will recurse back to the
@@ -476,7 +501,7 @@ config HPET_TIMER
          The HPET provides a stable time base on SMP
          systems, unlike the TSC, but it is more expensive to access,
          as it is off-chip.  You can find the HPET spec at
-         <http://www.intel.com/hardwaredesign/hpetspec.htm>.
+         <http://www.intel.com/hardwaredesign/hpetspec_1.pdf>.
 
          You can safely choose Y here.  However, HPET will only be
          activated if the platform and the BIOS support this feature.