Hi Al,

FYI, kernel build failed on

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal.git master
head:   811a6550c2567601b6ea4799a44732f7dbab4807
commit: 098ece643a9ef55a21de34a01313e3bfea6051ff [50/62] m68k: switch mmu case to syscall_trace_enter/syscall_trace_leave
config: m68k-amiga_defconfig (attached as .config)

All related error/warning messages:

arch/m68k/kernel/built-in.o: In function `ret_from_signal':
(.text+0x11c): undefined reference to `syscall_trace'

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0-DAY kernel build testing backend         Open Source Technology Centre
Fengguang Wu <wfg@linux.intel.com>                     Intel Corporation