powerpc/lib/sstep: Fix building for powerpcspe
authorJames Clarke <jrtc27@jrtc27.com>
Thu, 7 Dec 2017 20:32:44 +0000 (20:32 +0000)
committerBen Hutchings <ben@decadent.org.uk>
Fri, 23 Nov 2018 19:15:55 +0000 (19:15 +0000)
commitcd7e6e5a6085f71e65065edecc93ad5e23ccf9e3
treeb00dc10c1c2ee196c2eed0cca93417735a1443e0
parentc382f0cfa91b5cd28b10070ab603664b6e4a8168
powerpc/lib/sstep: Fix building for powerpcspe

On powerpcspe, ptesync is not a recognised instruction and so fails to
assemble. We don't expect to have to emulate an lwsync or a ptesync on a
32-bit kernel, so just ifdef them out, and catch any unexpected barrier
types.

Fixes: 3cdfcbfd32b9 ("powerpc: Change analyse_instr so it doesn't modify *regs")
Signed-off-by: James Clarke <jrtc27@jrtc27.com>
Gbp-Pq: Topic bugfix/powerpc
Gbp-Pq: Name powerpc-lib-sstep-fix-building-for-powerpcspe.patch
arch/powerpc/lib/sstep.c