D33808.diff
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	diff --git a/sys/compat/linux/linux_dummy.c b/sys/compat/linux/linux_dummy.c
	--- a/sys/compat/linux/linux_dummy.c
	+++ b/sys/compat/linux/linux_dummy.c
	@@ -112,8 +112,6 @@
	DUMMY(finit_module);
	DUMMY(sched_setattr);
	DUMMY(sched_getattr);
	-/* Linux 3.17: */
	-DUMMY(seccomp);
	/* Linux 3.18: */
	DUMMY(bpf);
	/* Linux 3.19: */
	diff --git a/sys/compat/linux/linux_misc.h b/sys/compat/linux/linux_misc.h
	--- a/sys/compat/linux/linux_misc.h
	+++ b/sys/compat/linux/linux_misc.h
	@@ -153,6 +153,9 @@
	/* Linux syslog flags */
	#define LINUX_SYSLOG_ACTION_READ_ALL 3

	+/* Linux seccomp flags */
	+#define LINUX_SECCOMP_GET_ACTION_AVAIL 2
	+
	#if defined(__aarch64__) \|\| (defined(__amd64__) && !defined(COMPAT_LINUX32))
	int linux_ptrace_status(struct thread *td, int pid, int status);
	#endif
	diff --git a/sys/compat/linux/linux_misc.c b/sys/compat/linux/linux_misc.c
	--- a/sys/compat/linux/linux_misc.c
	+++ b/sys/compat/linux/linux_misc.c
	@@ -2880,3 +2880,19 @@
	tsp, NULL, 0));
	}
	#endif /* __i386__ \|\| __amd64__ */
	+
	+int
	+linux_seccomp(struct thread td, struct linux_seccomp_args args)
	+{
	+
	+ switch (args->op) {
	+ case LINUX_SECCOMP_GET_ACTION_AVAIL:
	+ return (EOPNOTSUPP);
	+ default:
	+ /*
	+ * Ignore unknown operations, just like Linux kernel built
	+ * without CONFIG_SECCOMP.
	+ */
	+ return (EINVAL);
	+ }
	+}