Merge branch 'x86-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[pandora-kernel.git] / arch / x86 / Kconfig

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 7081958..725e157 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -123,6 +123,7 @@ config X86
        select COMPAT_OLD_SIGACTION if IA32_EMULATION
        select RTC_LIB
        select HAVE_DEBUG_STACKOVERFLOW
+       select HAVE_IRQ_EXIT_ON_IRQ_STACK if X86_64
 
 config INSTRUCTION_DECODER
        def_bool y
@@ -830,14 +831,16 @@ config MAXSMP
 config NR_CPUS
        int "Maximum number of CPUs" if SMP && !MAXSMP
        range 2 8 if SMP && X86_32 && !X86_BIGSMP
-       range 2 512 if SMP && !MAXSMP
+       range 2 512 if SMP && !MAXSMP && !CPUMASK_OFFSTACK
+       range 2 8192 if SMP && !MAXSMP && CPUMASK_OFFSTACK && X86_64
        default "1" if !SMP
-       default "4096" if MAXSMP
+       default "8192" if MAXSMP
        default "32" if SMP && (X86_NUMAQ || X86_SUMMIT || X86_BIGSMP || X86_ES7000)
        default "8" if SMP
        ---help---
          This allows you to specify the maximum number of CPUs which this
-         kernel will support.  The maximum supported value is 512 and the
+         kernel will support.  If CPUMASK_OFFSTACK is enabled, the maximum
+         supported value is 4096, otherwise the maximum value is 512.  The
          minimum value which makes sense is 2.
 
          This is purely to save memory - each supported CPU adds
@@ -865,7 +868,7 @@ source "kernel/Kconfig.preempt"
 
 config X86_UP_APIC
        bool "Local APIC support on uniprocessors"
-       depends on X86_32 && !SMP && !X86_32_NON_STANDARD
+       depends on X86_32 && !SMP && !X86_32_NON_STANDARD && !PCI_MSI
        ---help---
          A local APIC (Advanced Programmable Interrupt Controller) is an
          integrated interrupt controller in the CPU. If you have a single-CPU
@@ -890,11 +893,11 @@ config X86_UP_IOAPIC
 
 config X86_LOCAL_APIC
        def_bool y
-       depends on X86_64 || SMP || X86_32_NON_STANDARD || X86_UP_APIC
+       depends on X86_64 || SMP || X86_32_NON_STANDARD || X86_UP_APIC || PCI_MSI
 
 config X86_IO_APIC
        def_bool y
-       depends on X86_64 || SMP || X86_32_NON_STANDARD || X86_UP_IOAPIC
+       depends on X86_64 || SMP || X86_32_NON_STANDARD || X86_UP_IOAPIC || PCI_MSI
 
 config X86_VISWS_APIC
        def_bool y
@@ -1038,6 +1041,7 @@ config X86_REBOOTFIXUPS
 
 config MICROCODE
        tristate "CPU microcode loading support"
+       depends on CPU_SUP_AMD || CPU_SUP_INTEL
        select FW_LOADER
        ---help---
 
@@ -1598,7 +1602,7 @@ config EFI_STUB
           This kernel feature allows a bzImage to be loaded directly
          by EFI firmware without the use of a bootloader.
 
-         See Documentation/x86/efi-stub.txt for more information.
+         See Documentation/efi-stub.txt for more information.
 
 config SECCOMP
        def_bool y