Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-5.1-20200527' into staging

Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-5.1-20200527' into staging

ppc patch queue 2020-05-27

Here's the next pull request for qemu-5.1.  It includes:
 * Support for the scv and rfscv POWER9 instructions in TCG
 * Support for the new SPAPR_LMB_FLAGS_HOTREMOVABLE flag, which
   provides a way for guests to know memory which should be removable
   (so the guest can avoid putting immovable allocations there).
 * Some fixes for the recently added partition scope radix translation
   in softmmu
 * Assorted minor fixes and cleanups

It includes one patch to avoid a clash with SELinux when using NVLink
VFIO devices.  That's not technically within the files under my
maintainership, but it is in a section of the VFIO quirks code that's
specific to the POWER-only NVLink devices, and has an ack from Alex
Williamson.

# gpg: Signature made Wed 27 May 2020 06:36:59 BST
# gpg:                using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full]
# gpg:                 aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full]
# gpg:                 aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full]
# gpg:                 aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown]
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E  87DC 6C38 CACA 20D9 B392

* remotes/dgibson/tags/ppc-for-5.1-20200527:
  vfio/nvlink: Remove exec permission to avoid SELinux AVCs
  target/ppc: Fix argument to ppc_radix64_partition_scoped_xlate() again
  hw/nvram/mac_nvram: Convert debug printf()s to trace events
  hw/pci-bridge/dec: Remove dead debug code
  target/ppc: Don't update radix PTE R/C bits with gdbstub
  target/ppc: Fix arguments to ppc_radix64_partition_scoped_xlate()
  target/ppc: Add missing braces in ppc_radix64_partition_scoped_xlate()
  target/ppc: Don't initialize some local variables in ppc_radix64_xlate()
  target/ppc: Pass const pointer to ppc_radix64_get_fully_qualified_addr()
  target/ppc: Pass const pointer to ppc_radix64_get_prot_amr()
  ppc/spapr: Add hotremovable flag on DIMM LMBs on drmem_v2
  target/ppc: Add support for scv and rfscv instructions
  target/ppc: Untabify excp_helper.c
  ppc/spapr: add a POWER10 CPU model
  ppc/pnv: Fix NMI system reset SRR1 value

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