Kefeng Wang [off-list ref] writes:

There are some empty trap_init() in different ARCHs, introduce
a new weak trap_init() function to cleanup them.

Cc: Vineet Gupta <vgupta@kernel.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Ley Foon Tan <redacted>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Cc: Stafford Horne <shorne@gmail.com>
Cc: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <redacted>
Cc: Paul Walmsley <redacted>
Cc: Jeff Dike <redacted>
Cc: Richard Weinberger <richard@nod.at>
Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Kefeng Wang <redacted>
---
 arch/arc/kernel/traps.c      | 5 -----
 arch/arm/kernel/traps.c      | 5 -----
 arch/h8300/kernel/traps.c    | 4 ----
 arch/hexagon/kernel/traps.c  | 4 ----
 arch/nds32/kernel/traps.c    | 5 -----
 arch/nios2/kernel/traps.c    | 5 -----
 arch/openrisc/kernel/traps.c | 5 -----
 arch/parisc/kernel/traps.c   | 4 ----
 arch/powerpc/kernel/traps.c  | 5 -----

Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)

cheers