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

[karo-tx-linux.git] / arch / x86 / Kconfig

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index f67e839f06c845e406d81c8b2be285ced8b57448..dddba2663bbfe2e5f91e238a166b90ba32535034 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
@@ -825,14 +826,16 @@ 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
@@ -1594,7 +1597,7 @@ 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