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>
Wed, 19 Jun 2019 22:16:58 +0000 (23:16 +0100)
commit045e4d117287d006f76955e11b863ec1f75f64b7
treea644fef8766649d590045f379ebb7e1ad61a5111
parent1014309f1151c53cd9beccdd40e1747410b37c77
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