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Diffstat (limited to 'kernel')
-rw-r--r--kernel/fork.c13
-rw-r--r--kernel/sched/core.c2
2 files changed, 13 insertions, 2 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 1cd7d581b3b2..8b20ab7d3aa2 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1584,7 +1584,7 @@ long do_fork(unsigned long clone_flags,
* requested, no event is reported; otherwise, report if the event
* for the type of forking is enabled.
*/
- if (likely(user_mode(regs)) && !(clone_flags & CLONE_UNTRACED)) {
+ if (!(clone_flags & CLONE_UNTRACED) && likely(user_mode(regs))) {
if (clone_flags & CLONE_VFORK)
trace = PTRACE_EVENT_VFORK;
else if ((clone_flags & CSIGNAL) != SIGCHLD)
@@ -1634,6 +1634,17 @@ long do_fork(unsigned long clone_flags,
return nr;
}
+#ifdef CONFIG_GENERIC_KERNEL_THREAD
+/*
+ * Create a kernel thread.
+ */
+pid_t kernel_thread(int (*fn)(void *), void *arg, unsigned long flags)
+{
+ return do_fork(flags|CLONE_VM|CLONE_UNTRACED, (unsigned long)fn, NULL,
+ (unsigned long)arg, NULL, NULL);
+}
+#endif
+
#ifndef ARCH_MIN_MMSTRUCT_ALIGN
#define ARCH_MIN_MMSTRUCT_ALIGN 0
#endif
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index c17747236438..bd7c39450b1b 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -505,7 +505,7 @@ static inline void init_hrtick(void)
#ifdef CONFIG_SMP
#ifndef tsk_is_polling
-#define tsk_is_polling(t) test_tsk_thread_flag(t, TIF_POLLING_NRFLAG)
+#define tsk_is_polling(t) 0
#endif
void resched_task(struct task_struct *p)