Merge branch 'x86/core' into x86/build, to avoid conflicts

Signed-off-by: Ingo Molnar <mingo@kernel.org>

include/linux/sched.h

@@ -739,6 +739,12 @@ struct task_struct {
 	unsigned			use_memdelay:1;
 #endif
 
+	/*
+	 * May usercopy functions fault on kernel addresses?
+	 * This is not just a single bit because this can potentially nest.
+	 */
+	unsigned int			kernel_uaccess_faults_ok;
+
 	unsigned long			atomic_flags; /* Flags requiring atomic access. */
 
 	struct restart_block		restart_block;