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>
Thu, 17 Jan 2019 18:56:17 +0000 (18:56 +0000)
commitf27ce3f89258e30dcb326441e3eb23a6c2192a5d
tree796b3afa583404c0363b3f2c0070de0f91205175
parentdd82a17fe73b0693d6a717596e0f60aa562eb0ea
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