Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.12-20180216' into staging

Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.12-20180216' into staging

ppc patch queue 2018-02-16

Highlights of this batch:
  * Conversion to TranslatorOps (Emilio Cota)
  * Further bugfixes and cleanups to vcpu id allocation for pseries
    (Greg Kurz)
  * Another bugfix for HPT resizing (Daniel Henrique-Barboza)
  * Macintosh CUDA cleanups (Mark Cave-Ayland)
  * Further tweaks to Spectre/Meltdown mitigations (Suraj Singh)

# gpg: Signature made Fri 16 Feb 2018 10:00:02 GMT
# gpg:                using RSA key 6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>"
# gpg:                 aka "David Gibson (Red Hat) <dgibson@redhat.com>"
# gpg:                 aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>"
# gpg:                 aka "David Gibson (kernel.org) <dwg@kernel.org>"
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E  87DC 6C38 CACA 20D9 B392

* remotes/dgibson/tags/ppc-for-2.12-20180216:
  ppc4xx: Add device models found in PPC440 core SoCs
  ppc/spapr-caps: Disallow setting workaround for spapr-cap-ibs
  target/ppc: convert to TranslatorOps
  target/ppc: convert to DisasContextBase
  spapr: consolidate the VCPU id numbering logic in a single place
  spapr: rename spapr_vcpu_id() to spapr_get_vcpu_id()
  spapr: move VCPU calculation to core machine code
  spapr: use spapr->vsmt to compute VCPU ids
  ppc/spapr-caps: Change migration macro to take full spapr-cap name
  hw/char: remove legacy interface escc_init()
  hw/ppc/spapr_hcall: set htab_shift after kvmppc_resize_hpt_commit
  cuda: convert to trace-events
  ppc: move CUDAState and other CUDA-related definitions into separate cuda.h file
  cuda: convert to use the shared mos6522 device

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>