Merge remote-tracking branch 'remotes/maxreitz/tags/pull-block-2017-11-14' into staging

Block patches for 2.11.0-rc1

# gpg: Signature made Tue 14 Nov 2017 17:22:17 GMT
# gpg:                using RSA key 0xF407DB0061D5CF40
# gpg: Good signature from "Max Reitz <mreitz@redhat.com>"
# Primary key fingerprint: 91BE B60A 30DB 3E88 57D1  1829 F407 DB00 61D5 CF40

* remotes/maxreitz/tags/pull-block-2017-11-14:
  qemu-iotests: update unsupported image formats in 194
  block/parallels: add migration blocker
  block/parallels: Do not update header or truncate image when INMIGRATE
  block/vhdx.c: Don't blindly update the header
  iotests: 077: Filter out 'resume' lines
  block/snapshot: dirty all dirty bitmaps on snapshot-switch
  qcow2: Check that corrupted images can be repaired in iotest 060
  iotests: Use new-style NBD connections
  iotests: Make 136 less flaky
  iotests: Make 083 less flaky
  iotests: Make 055 less flaky
  iotests: Add missing 'blkdebug::' in 040
  iotests: Make 030 less flaky
  qcow2: Assert that the crypto header does not overlap other metadata
  qcow2: Add iotest for an empty refcount table
  qcow2: Add iotest for an image with header.refcount_table_offset == 0
  qcow2: Don't open images with header.refcount_table_clusters == 0
  qcow2: Prevent allocating compressed clusters at offset 0
  qcow2: Prevent allocating L2 tables at offset 0
  qcow2: Prevent allocating refcount blocks at offset 0

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
diff --git a/pc-bios/bios-256k.bin b/pc-bios/bios-256k.bin
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diff --git a/pc-bios/vgabios-stdvga.bin b/pc-bios/vgabios-stdvga.bin
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diff --git a/pc-bios/vgabios-vmware.bin b/pc-bios/vgabios-vmware.bin
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diff --git a/pc-bios/vgabios.bin b/pc-bios/vgabios.bin
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diff --git a/roms/seabios b/roms/seabios
index cd47172..63451fc 160000
--- a/roms/seabios
+++ b/roms/seabios
@@ -1 +1 @@
-Subproject commit cd47172a673762a05a0c7bd27df6e3cc8febe8d6
+Subproject commit 63451fca13c75870e1703eb3e20584d91179aebc