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

[firefly-linux-kernel-4.4.55.git] / arch / s390 / Kconfig

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 22f75b504f7f9bb8ef91ef80e8a1433995e6c6dc..8a4cae78f03c91e510f307d25e8f5467211725c3 100644 (file)
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -118,6 +118,7 @@ config S390
        select HAVE_FUNCTION_TRACE_MCOUNT_TEST
        select HAVE_KERNEL_BZIP2
        select HAVE_KERNEL_GZIP
+       select HAVE_KERNEL_LZ4
        select HAVE_KERNEL_LZMA
        select HAVE_KERNEL_LZO
        select HAVE_KERNEL_XZ
@@ -227,11 +228,12 @@ config MARCH_Z196
          not work on older machines.
 
 config MARCH_ZEC12
-       bool "IBM zEC12"
+       bool "IBM zBC12 and zEC12"
        select HAVE_MARCH_ZEC12_FEATURES if 64BIT
        help
-         Select this to enable optimizations for IBM zEC12 (2827 series). The
-         kernel will be slightly faster but will not work on older machines.
+         Select this to enable optimizations for IBM zBC12 and zEC12 (2828 and
+         2827 series). The kernel will be slightly faster but will not work on
+         older machines.
 
 endchoice
 
@@ -709,6 +711,7 @@ config S390_GUEST
        def_bool y
        prompt "s390 support for virtio devices"
        depends on 64BIT
+       select TTY
        select VIRTUALIZATION
        select VIRTIO
        select VIRTIO_CONSOLE