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-rw-r--r--arch/s390/Kconfig11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 21e5c165df28..c696ad7d3439 100644
--- 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
@@ -444,6 +445,16 @@ 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"