um: Set number of CPUs

Define NR_CPUS required by the timer subsystem.

Fixes this make warning:

    scripts/kconfig/conf  --oldconfig arch/x86/um/Kconfig
    kernel/time/Kconfig:155:warning: range is invalid

Signed-off-by: Nikola Kotur <kotnick@gmail.com>
Signed-off-by: Richard Weinberger <richard@nod.at>

2 files changed, 5 insertions, 3 deletions

diff --git a/arch/um/Kconfig.common b/arch/um/Kconfig.common
index fd443852103c..347bcd444c99 100644
--- a/arch/um/Kconfig.common
+++ b/arch/um/Kconfig.common
@@ -62,3 +62,8 @@ config HZ
 config SUBARCH
         string
         option env="SUBARCH"
+
+config NR_CPUS
+        int
+        range 1 1
+        default 1
diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index 23025d645160..92f7ee14b10e 100644
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -233,9 +233,6 @@ static int userspace_tramp(void *stack)
         return 0;
 }
 
-/* Each element set once, and only accessed by a single processor anyway */
-#undef NR_CPUS
-#define NR_CPUS 1
 int userspace_pid[NR_CPUS];
 
 int start_userspace(unsigned long stub_stack)