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Peter Maydell e80b4b8fb6 VFIO updates 2016-10-31 
- Replace skip_dump with ram_device to denote device memory and mark
    as non-direct to avoid memcpy to MMIO - fixes RTL (Alex Williamson)
  - Skip zero-length sparse mmaps - avoids unnecessary warning
    (Alex Williamson)
  - Clear BARs on reset so guest doesn't assume programming on return
    from S3 (Ido Yariv)
  - Enable sub-page MMIO mmaps - performance improvement for devices
    with smaller BARs, iff both host and guest map them to full,
    aligned pages (Yongji Xie)
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Merge remote-tracking branch 'remotes/awilliam/tags/vfio-updates-20161031.0' into staging

VFIO updates 2016-10-31

 - Replace skip_dump with ram_device to denote device memory and mark
   as non-direct to avoid memcpy to MMIO - fixes RTL (Alex Williamson)
 - Skip zero-length sparse mmaps - avoids unnecessary warning
   (Alex Williamson)
 - Clear BARs on reset so guest doesn't assume programming on return
   from S3 (Ido Yariv)
 - Enable sub-page MMIO mmaps - performance improvement for devices
   with smaller BARs, iff both host and guest map them to full,
   aligned pages (Yongji Xie)

# gpg: Signature made Mon 31 Oct 2016 17:26:47 GMT
# gpg:                using RSA key 0x239B9B6E3BB08B22
# gpg: Good signature from "Alex Williamson <alex.williamson@redhat.com>"
# gpg:                 aka "Alex Williamson <alex@shazbot.org>"
# gpg:                 aka "Alex Williamson <alwillia@redhat.com>"
# gpg:                 aka "Alex Williamson <alex.l.williamson@gmail.com>"
# Primary key fingerprint: 42F6 C04E 540B D1A9 9E7B  8A90 239B 9B6E 3BB0 8B22

* remotes/awilliam/tags/vfio-updates-20161031.0:
  vfio: Add support for mmapping sub-page MMIO BARs
  vfio/pci: fix out-of-sync BAR information on reset
  vfio: Handle zero-length sparse mmap ranges
  memory: Don't use memcpy for ram_device regions
  memory: Replace skip_dump flag with "ram_device"

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-10-31 18:19:06 +00:00
..
user linux-user: Use correct alignment for long long on i386 guests 2016-08-04 16:34:59 +03:00
address-spaces.h Clean up header guards that don't match their file name 2016-07-12 16:19:16 +02:00
cpu-all.h tcg: Add EXCP_ATOMIC 2016-10-26 08:29:00 -07:00
cpu-common.h RAMBlocks: Store page size 2016-10-13 17:23:53 +02:00
cpu-defs.h qemu-common: stop including qemu/host-utils.h from qemu-common.h 2016-05-19 16:42:28 +02:00
cpu_ldst.h softmmu: remove now unused functions 2015-09-11 08:16:05 -07:00
cpu_ldst_template.h trace: [all] Add "guest_mem_before" event 2016-06-20 17:21:56 +01:00
cpu_ldst_useronly_template.h trace: [all] Add "guest_mem_before" event 2016-06-20 17:21:56 +01:00
cputlb.h include/exec: Move cputlb exec.c defs out 2015-09-16 17:33:33 +02:00
exec-all.h tcg: comment on which functions have to be called with tb_lock held 2016-10-31 10:51:16 +01:00
gdbstub.h linux-user: Remove redundant gdb_queuesig() 2016-06-07 16:39:07 +03:00
gen-icount.h tcg: Reorg TCGOp chaining 2016-08-05 21:44:18 +05:30
helper-gen.h Clean up decorations and whitespace around header guards 2016-07-12 16:20:46 +02:00
helper-head.h Clean up header guards that don't match their file name 2016-07-12 16:19:16 +02:00
helper-proto.h Clean up decorations and whitespace around header guards 2016-07-12 16:20:46 +02:00
helper-tcg.h Clean up decorations and whitespace around header guards 2016-07-12 16:20:46 +02:00
hwaddr.h hw: Clean up includes 2016-06-07 18:19:23 +03:00
ioport.h hw: clean up hw/hw.h includes 2016-05-19 16:42:30 +02:00
log.h log: do not unnecessarily include qom/cpu.h 2016-02-03 09:19:10 +00:00
memattrs.h hw/pci: Introduce pci_requester_id() 2015-10-19 10:13:07 +02:00
memory-internal.h memory: unregister AddressSpace MemoryListener within BQL 2015-02-10 10:25:44 -07:00
memory.h memory: Don't use memcpy for ram_device regions 2016-10-31 09:53:03 -06:00
poison.h cpu: move endian-dependent load/store functions to cpu-all.h 2016-05-19 16:42:28 +02:00
ram_addr.h RAMBlocks: Store page size 2016-10-13 17:23:53 +02:00
semihost.h semihosting: add --semihosting-config arg sub-argument 2015-06-19 14:17:45 +01:00
softmmu-semi.h Clean up decorations and whitespace around header guards 2016-07-12 16:20:46 +02:00
tb-context.h tcg: Make tb_flush() thread safe 2016-09-27 11:57:30 +02:00
tb-hash-xx.h Clean up ill-advised or unusual header guards 2016-07-12 16:20:46 +02:00
tb-hash.h Clean up ill-advised or unusual header guards 2016-07-12 16:20:46 +02:00