Merge branch 'linus' into x86/kconfig

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 52e18e6..246f4ec 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -251,7 +251,7 @@ config X86_ELAN
 
 config X86_VOYAGER
        bool "Voyager (NCR)"
-       depends on X86_32 && (SMP || BROKEN)
+       depends on X86_32 && (SMP || BROKEN) && !PCI
        help
          Voyager is an MCA-based 32-way capable SMP architecture proprietary
          to NCR Corp.  Machine classes 345x/35xx/4100/51xx are Voyager-based.
@@ -263,7 +263,7 @@ config X86_VOYAGER
 
 config X86_NUMAQ
        bool "NUMAQ (IBM/Sequent)"
-       depends on SMP && X86_32
+       depends on SMP && X86_32 && PCI
        select NUMA
        help
          This option is used for getting Linux to run on a (IBM/Sequent) NUMA
@@ -293,7 +293,7 @@ config X86_BIGSMP
 
 config X86_VISWS
        bool "SGI 320/540 (Visual Workstation)"
-       depends on X86_32
+       depends on X86_32 && !PCI
        help
          The SGI Visual Workstation series is an IA32-based workstation
          based on SGI systems chips with some legacy PC hardware attached.
@@ -337,7 +337,7 @@ config X86_RDC321X
 config X86_VSMP
        bool "Support for ScaleMP vSMP"
        select PARAVIRT
-       depends on X86_64
+       depends on X86_64 && !PCI
        help
          Support for ScaleMP vSMP systems.  Say 'Y' here if this kernel is
          supposed to run on these EM64T-based machines.  Only choose this option
@@ -558,18 +558,18 @@ config IOMMU_HELPER
        def_bool (CALGARY_IOMMU || GART_IOMMU || SWIOTLB)
 
 config NR_CPUS
-       int "Maximum number of CPUs (2-255)"
-       range 2 255
+       int "Maximum number of CPUs (2-4096)"
+       range 2 4096
        depends on SMP
        default "32" if X86_NUMAQ || X86_SUMMIT || X86_BIGSMP || X86_ES7000
        default "8"
        help
          This allows you to specify the maximum number of CPUs which this
-         kernel will support.  The maximum supported value is 255 and the
+         kernel will support.  The maximum supported value is 4096 and the
          minimum value which makes sense is 2.
 
          This is purely to save memory - each supported CPU adds
-         approximately eight kilobytes to the kernel image.
+         approximately one kilobyte to the kernel image.
 
 config SCHED_SMT
        bool "SMT (Hyperthreading) scheduler support"
@@ -961,8 +961,8 @@ config NUMA_EMU
          number of nodes. This is only useful for debugging.
 
 config NODES_SHIFT
-       int "Max num nodes shift(1-15)"
-       range 1 15  if X86_64
+       int "Max num nodes shift(1-9)"
+       range 1 9  if X86_64
        default "6" if X86_64
        default "4" if X86_NUMAQ
        default "3"
@@ -1470,8 +1470,7 @@ endmenu
 menu "Bus options (PCI etc.)"
 
 config PCI
-       bool "PCI support" if !X86_VISWS && !X86_VSMP
-       depends on !X86_VOYAGER
+       bool "PCI support"
        default y
        select ARCH_SUPPORTS_MSI if (X86_LOCAL_APIC && X86_IO_APIC)
        help

diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index 2ad6301..3d22bb8 100644 (file)
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -399,6 +399,10 @@ config X86_TSC
        def_bool y
        depends on ((MWINCHIP3D || MWINCHIP2 || MCRUSOE || MEFFICEON || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || MK8 || MVIAC3_2 || MVIAC7 || MGEODEGX1 || MGEODE_LX || MCORE2) && !X86_NUMAQ) || X86_64
 
+config X86_CMPXCHG64
+       def_bool y
+       depends on X86_PAE || X86_64
+
 # this should be set for all -march=.. options where the compiler
 # generates cmov.
 config X86_CMOV

diff --git a/include/asm-x86/required-features.h b/include/asm-x86/required-features.h
index 7400d3a..8c38719 100644 (file)
--- a/include/asm-x86/required-features.h
+++ b/include/asm-x86/required-features.h
@@ -19,9 +19,13 @@
 
 #if defined(CONFIG_X86_PAE) || defined(CONFIG_X86_64)
 # define NEED_PAE      (1<<(X86_FEATURE_PAE & 31))
-# define NEED_CX8      (1<<(X86_FEATURE_CX8 & 31))
 #else
 # define NEED_PAE      0
+#endif
+
+#ifdef CONFIG_X86_CMPXCHG64
+# define NEED_CX8      (1<<(X86_FEATURE_CX8 & 31))
+#else
 # define NEED_CX8      0
 #endif