drm/omap: gem: Fix mm_list locking

[mirror_ubuntu-bionic-kernel.git] / init / Kconfig

diff --git a/init/Kconfig b/init/Kconfig
index 5e2a4a391ba9309453806986da9a33beb83bbb73..b0b47d10c33c60a29068ddfce25946b70f69e2f5 100644 (file)
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -220,6 +220,15 @@ config DEFAULT_HOSTNAME
          but you may wish to use a different default here to make a minimal
          system more usable with less configuration.
 
+config VERSION_SIGNATURE
+       string "Arbitrary version signature"
+       help
+         This string will be created in a file, /proc/version_signature. It
+         is useful in determining arbitrary data about your kernel. For instance,
+         if you have several kernels of the same version, but need to keep track
+         of a revision of the same kernel, but not affect it's ability to load
+         compatible modules, this is the easiest way to do that.
+
 config SWAP
        bool "Support for paging of anonymous memory (swap)"
        depends on MMU && BLOCK
@@ -461,10 +470,15 @@ endmenu # "CPU/Task time and stats accounting"
 
 config CPU_ISOLATION
        bool "CPU isolation"
+       depends on SMP || COMPILE_TEST
+       default y
        help
          Make sure that CPUs running critical tasks are not disturbed by
          any source of "noise" such as unbound workqueues, timers, kthreads...
-         Unbound jobs get offloaded to housekeeping CPUs.
+         Unbound jobs get offloaded to housekeeping CPUs. This is driven by
+         the "isolcpus=" boot parameter.
+
+         Say Y if unsure.
 
 source "kernel/rcu/Kconfig"