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-rw-r--r--arch/s390/Kconfig20
1 files changed, 15 insertions, 5 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 8a4cae78f03c..dcc6ac2d8026 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -62,6 +62,7 @@ config S390
def_bool y
select ARCH_DISCARD_MEMBLOCK
select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
+ select ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select ARCH_INLINE_READ_LOCK
select ARCH_INLINE_READ_LOCK_BH
@@ -91,7 +92,6 @@ config S390
select ARCH_INLINE_WRITE_UNLOCK_BH
select ARCH_INLINE_WRITE_UNLOCK_IRQ
select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE
- select ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS
select ARCH_SAVE_PAGE_KEYS if HIBERNATION
select ARCH_WANT_IPC_PARSE_VERSION
select BUILDTIME_EXTABLE_SORT
@@ -134,15 +134,15 @@ config S390
select HAVE_SYSCALL_TRACEPOINTS
select HAVE_UID16 if 32BIT
select HAVE_VIRT_CPU_ACCOUNTING
- select VIRT_TO_BUS
select INIT_ALL_POSSIBLE
select KTIME_SCALAR if 32BIT
select MODULES_USE_ELF_RELA
- select OLD_SIGSUSPEND3
select OLD_SIGACTION
+ select OLD_SIGSUSPEND3
select SYSCTL_EXCEPTION_TRACE
select USE_GENERIC_SMP_HELPERS if SMP
select VIRT_CPU_ACCOUNTING
+ select VIRT_TO_BUS
config SCHED_OMIT_FRAME_POINTER
def_bool y
@@ -430,7 +430,6 @@ menuconfig PCI
bool "PCI support"
default n
depends on 64BIT
- select ARCH_SUPPORTS_MSI
select PCI_MSI
help
Enable PCI support.
@@ -445,6 +444,16 @@ 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"
@@ -516,6 +525,7 @@ config CRASH_DUMP
bool "kernel crash dumps"
depends on 64BIT && SMP
select KEXEC
+ select ZFCPDUMP
help
Generate crash dump after being started by kexec.
Crash dump kernels are loaded in the main kernel with kexec-tools
@@ -526,7 +536,7 @@ config CRASH_DUMP
config ZFCPDUMP
def_bool n
prompt "zfcpdump support"
- select SMP
+ depends on SMP
help
Select this option if you want to build an zfcpdump enabled kernel.
Refer to <file:Documentation/s390/zfcpdump.txt> for more details on this.