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-rw-r--r--arch/s390/Kconfig31
1 files changed, 20 insertions, 11 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index a8c259059..c109f073d 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -68,10 +68,10 @@ config DEBUG_RODATA
config S390
def_bool y
select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
- select ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS
select ARCH_HAS_DEVMEM_IS_ALLOWED
select ARCH_HAS_ELF_RANDOMIZE
select ARCH_HAS_GCOV_PROFILE_ALL
+ select ARCH_HAS_KCOV
select ARCH_HAS_SG_CHAIN
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select ARCH_INLINE_READ_LOCK
@@ -122,6 +122,7 @@ config S390
select HAVE_ALIGNED_STRUCT_PAGE if SLUB
select HAVE_ARCH_AUDITSYSCALL
select HAVE_ARCH_EARLY_PFN_TO_NID
+ select HAVE_ARCH_HARDENED_USERCOPY
select HAVE_ARCH_JUMP_LABEL
select CPU_NO_EFFICIENT_FFS if !HAVE_MARCH_Z9_109_FEATURES
select HAVE_ARCH_SECCOMP_FILTER
@@ -163,6 +164,7 @@ config S390
select NO_BOOTMEM
select OLD_SIGACTION
select OLD_SIGSUSPEND3
+ select SPARSE_IRQ
select SYSCTL_EXCEPTION_TRACE
select TTY
select VIRT_CPU_ACCOUNTING
@@ -477,6 +479,9 @@ config SCHED_MC
config SCHED_BOOK
def_bool n
+config SCHED_DRAWER
+ def_bool n
+
config SCHED_TOPOLOGY
def_bool y
prompt "Topology scheduler support"
@@ -484,6 +489,7 @@ config SCHED_TOPOLOGY
select SCHED_SMT
select SCHED_MC
select SCHED_BOOK
+ select SCHED_DRAWER
help
Topology scheduler support improves the CPU scheduler's decision
making when dealing with machines that have multi-threading,
@@ -605,16 +611,6 @@ 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"
endif # PCI
@@ -875,4 +871,17 @@ config S390_GUEST
Select this option if you want to run the kernel as a guest under
the KVM hypervisor.
+config S390_GUEST_OLD_TRANSPORT
+ def_bool y
+ prompt "Guest support for old s390 virtio transport (DEPRECATED)"
+ depends on S390_GUEST
+ help
+ Enable this option to add support for the old s390-virtio
+ transport (i.e. virtio devices NOT based on virtio-ccw). This
+ type of virtio devices is only available on the experimental
+ kuli userspace or with old (< 2.6) qemu. If you are running
+ with a modern version of qemu (which supports virtio-ccw since
+ 1.4 and uses it by default since version 2.4), you probably won't
+ need this.
+
endmenu