vmscan: count the number of times zone_reclaim() scans and fails

[sfrench/cifs-2.6.git] / arch / x86 / Kconfig

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index aafae3b140de40269abd0d9e02791853dc5cd1e6..356d2ec8e2fbbf0a4e0ccee99c1f261226ed4cde 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -739,6 +739,7 @@ config X86_UP_IOAPIC
 config X86_LOCAL_APIC
        def_bool y
        depends on X86_64 || SMP || X86_32_NON_STANDARD || X86_UP_APIC
+       select HAVE_PERF_COUNTERS if (!M386 && !M486)
 
 config X86_IO_APIC
        def_bool y
@@ -788,10 +789,26 @@ config X86_MCE
          to disable it.  MCE support simply ignores non-MCE processors like
          the 386 and 486, so nearly everyone can say Y here.
 
+config X86_OLD_MCE
+       depends on X86_32 && X86_MCE
+       bool "Use legacy machine check code (will go away)"
+       default n
+       select X86_ANCIENT_MCE
+       ---help---
+         Use the old i386 machine check code. This is merely intended for
+         testing in a transition period. Try this if you run into any machine
+         check related software problems, but report the problem to
+         linux-kernel.  When in doubt say no.
+
+config X86_NEW_MCE
+       depends on X86_MCE
+       bool
+       default y if (!X86_OLD_MCE && X86_32) || X86_64
+
 config X86_MCE_INTEL
        def_bool y
        prompt "Intel MCE features"
-       depends on X86_64 && X86_MCE && X86_LOCAL_APIC
+       depends on X86_NEW_MCE && X86_LOCAL_APIC
        ---help---
           Additional support for intel specific MCE features such as
           the thermal monitor.
@@ -799,19 +816,36 @@ config X86_MCE_INTEL
 config X86_MCE_AMD
        def_bool y
        prompt "AMD MCE features"
-       depends on X86_64 && X86_MCE && X86_LOCAL_APIC
+       depends on X86_NEW_MCE && X86_LOCAL_APIC
        ---help---
           Additional support for AMD specific MCE features such as
           the DRAM Error Threshold.
 
+config X86_ANCIENT_MCE
+       def_bool n
+       depends on X86_32
+       prompt "Support for old Pentium 5 / WinChip machine checks"
+       ---help---
+         Include support for machine check handling on old Pentium 5 or WinChip
+         systems. These typically need to be enabled explicitely on the command
+         line.
+
 config X86_MCE_THRESHOLD
        depends on X86_MCE_AMD || X86_MCE_INTEL
        bool
        default y
 
+config X86_MCE_INJECT
+       depends on X86_NEW_MCE
+       tristate "Machine check injector support"
+       ---help---
+         Provide support for injecting machine checks for testing purposes.
+         If you don't know what a machine check is and you don't do kernel
+         QA it is safe to say n.
+
 config X86_MCE_NONFATAL
        tristate "Check for non-fatal errors on AMD Athlon/Duron / Intel Pentium 4"
-       depends on X86_32 && X86_MCE
+       depends on X86_OLD_MCE
        ---help---
          Enabling this feature starts a timer that triggers every 5 seconds which
          will look at the machine check registers to see if anything happened.
@@ -824,11 +858,15 @@ config X86_MCE_NONFATAL
 
 config X86_MCE_P4THERMAL
        bool "check for P4 thermal throttling interrupt."
-       depends on X86_32 && X86_MCE && (X86_UP_APIC || SMP)
+       depends on X86_OLD_MCE && X86_MCE && (X86_UP_APIC || SMP)
        ---help---
          Enabling this feature will cause a message to be printed when the P4
          enters thermal throttling.
 
+config X86_THERMAL_VECTOR
+       def_bool y
+       depends on X86_MCE_P4THERMAL || X86_MCE_INTEL
+
 config VM86
        bool "Enable VM86 support" if EMBEDDED
        default y