s390: convert interrupt handling to use generic hardirq

[karo-tx-linux.git] / arch / s390 / Kconfig

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 8a4cae78f03c91e510f307d25e8f5467211725c3..8b7892bf6d8b0640f13e852330f0a2e7f83b1b15 100644 (file)
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -116,6 +116,7 @@ config S390
        select HAVE_FUNCTION_GRAPH_TRACER
        select HAVE_FUNCTION_TRACER
        select HAVE_FUNCTION_TRACE_MCOUNT_TEST
+       select HAVE_GENERIC_HARDIRQS
        select HAVE_KERNEL_BZIP2
        select HAVE_KERNEL_GZIP
        select HAVE_KERNEL_LZ4
@@ -445,6 +446,16 @@ config PCI_NR_FUNCTIONS
          This allows you to specify the maximum number of PCI functions which
          this kernel will support.
 
+config PCI_NR_MSI
+       int "Maximum number of MSI interrupts (64-32768)"
+       range 64 32768
+       default "256"
+       help
+         This defines the number of virtual interrupts the kernel will
+         provide for MSI interrupts. If you configure your system to have
+         too few drivers will fail to allocate MSI interrupts for all
+         PCI devices.
+
 source "drivers/pci/Kconfig"
 source "drivers/pci/pcie/Kconfig"
 source "drivers/pci/hotplug/Kconfig"