use mutex instead of semaphore in virtual console driver

[pandora-kernel.git] / kernel / kmod.c

diff --git a/kernel/kmod.c b/kernel/kmod.c
index 7962761..49cc4b9 100644 (file)
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -23,7 +23,6 @@
 #include <linux/syscalls.h>
 #include <linux/unistd.h>
 #include <linux/kmod.h>
-#include <linux/smp_lock.h>
 #include <linux/slab.h>
 #include <linux/mnt_namespace.h>
 #include <linux/completion.h>
@@ -166,6 +165,12 @@ static int ____call_usermodehelper(void *data)
        /* We can run anywhere, unlike our parent keventd(). */
        set_cpus_allowed(current, CPU_MASK_ALL);
 
+       /*
+        * Our parent is keventd, which runs with elevated scheduling priority.
+        * Avoid propagating that into the userspace child.
+        */
+       set_user_nice(current, 0);
+
        retval = -EPERM;
        if (current->fs->root)
                retval = kernel_execve(sub_info->path,