diff options
Diffstat (limited to 'kernel/kmod.c')
| -rw-r--r-- | kernel/kmod.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/kmod.c b/kernel/kmod.c index 796276141e5..49cc4b9c1a8 100644 --- 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, |