SYS_USER_DISPATCH will be triggered when a syscall is sent to userspace
by the Syscall User Dispatch mechanism.  This adjusts eventual
BUILD_BUG_ON around the tree.
Signed-off-by: NGabriel Krisman Bertazi <krisman@collabora.com>
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
Reviewed-by: NAndy Lutomirski <luto@kernel.org>
Acked-by: NKees Cook <keescook@chromium.org>
Acked-by: NChristian Brauner <christian.brauner@ubuntu.com>
Acked-by: NPeter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20201127193238.821364-3-krisman@collabora.com