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Fix RTC_CHANGE event description to match implementation.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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This entry doesn't reflect reality for a few years now. This commit
splits it into Human Monitor (HMP), QAPI and QMP. Markus is dropped
as a maintainer.
This is what we have been for the last few years. Also, it's going
to help me to offload some of this work to someone else in the near
future.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
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I'm facing two problems lately wrt QMP patch review: increasingly
lack of bandwidth and lack of background in so many different areas
that are getting new QMP commands almost every week.
In order to help me mitigate this problem, I'm adding Eric and Markus
(besides me) as maintainers of the qapi-schema.json file.
Markus has been an old timer reviewer. Eric is being the most active
and prolific reviewer of QMP patches for some time now.
I believe Markus and Eric will keep doing their work as before, but
starting now I'll require the ACK of at least one of them before
appling a patch/series that touches the qapi-schema.json file.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
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# By Kevin Wolf (19) and others
# Via Stefan Hajnoczi
* stefanha/block: (26 commits)
hmp: add parameters device and -v for info block
hmp: show ImageInfo in 'info block'
qmp: add ImageInfo in BlockDeviceInfo used by query-block
block: add image info query function bdrv_query_image_info()
block: add snapshot info query function bdrv_query_snapshot_info_list()
ide-test: Add FLUSH CACHE test case
ide: Set BSY bit during FLUSH
ide-test: Add enum value for DEV
blkdebug: Add BLKDBG_FLUSH_TO_OS/DISK events
Make qemu-io commands available in HMP
qemu-io: Use the qemu version for -V
qemu-io: Interface cleanup
qemu-io: Move remaining helpers from cmd.c
qemu-io: Move command_loop() and friends
qemu-io: Move functions for registering and running commands
qemu-io: Move qemu_strsep() to cutils.c
qemu-io: Move 'quit' function
qemu-io: Move 'help' function
qemu-io: Factor out qemuio_command
qemu-io: Split off commands to qemu-io-cmds.c
...
Message-id: 1370606325-10680-1-git-send-email-stefanha@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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# By Cornelia Huck
# Via Cornelia Huck
* cohuck/virtio-ccw-upstr:
virtio-ccw: Fix unsetting of indicators.
s390x/css: Fix concurrent sense.
Message-id: 1370592676-22532-1-git-send-email-cornelia.huck@de.ibm.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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With these parameters, user can choose the information to be showed,
to avoid message flood in the monitor.
Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Now human monitor can show image details, include internal
snapshot and backing chain info for every block device.
Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Now image info will be retrieved as an embbed json object inside
BlockDeviceInfo, backing chain info and all related internal snapshot
info can be got in the enhanced recursive structure of ImageInfo. New
recursive member *backing-image is added to reflect the backing chain
status.
Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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This patch adds function bdrv_query_image_info(), which will
retrieve image info in qmp object format. The implementation is
based on the code moved from qemu-img.c, but uses block layer
function to get snapshot info.
Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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This patch adds function bdrv_query_snapshot_info_list(), which will
retrieve snapshot info of an image in qmp object format. The implementation
is based on the code moved from qemu-img.c with modification to fit more
for qmp based block layer API.
Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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This checks in particular that BSY is set while the flush request is in
flight.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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The implementation of the ATA FLUSH command invokes a flush at the block
layer, which may on raw files on POSIX entail a synchronous fdatasync().
This may in some cases take so long that the SLES 11 SP1 guest driver
reports I/O errors and filesystems get corrupted or remounted read-only.
Avoid this by setting BUSY_STAT, so that the guest is made aware we are
in the middle of an operation and no ATA commands are attempted to be
processed concurrently.
Addresses BNC#637297.
Suggested-by: Gonglei (Arei) <arei.gonglei@huawei.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Get rid of the magic number.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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It was decided to not make this command available in QMP in order to
make clear that this is not supposed to be a stable API and should be
used only for testing and debugging purposes.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Always printing 0.0.1 and never updating the version number wasn't very
useful. qemu-io is released with qemu, so using the same version number
makes most sense.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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This one only makes sense in the context of the qemu-io tool, so move it
to qemu-io.c. Adapt coding style and register it like other commands.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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No reason to treat it different from other commands. Move it to
qemu-io-cmds.c, adapt the coding style and register it like any other
command.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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It's duplicated code. Move it to qemu-io-cmds.c because it's not
dependent on any static data of the qemu-io tool.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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This is the implementation of all qemu-io commands that make sense to be
called from the qemu monitor, i.e. everything except open, close and
quit.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Pass in the BlockDriverState to the command handlers instead of using
the global variable. This is an important step to make the commands
usable outside of qemu-io.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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No reason to implement the same thing multiple times. A nice side effect
is that fractional numbers like 0.5M can be used in qemu-io now.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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The original intention seems to be something with handling multiple
images at once, but this has never been implemented and the only
function ever registered is implemented to make everything behave like a
"global" command. Just do that unconditionally now.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Interpretation of the ccws to register (configuration) indicators contained
a thinko: We want to disallow reading from 0, but setting the indicator
pointer to 0 is fine.
Let's fix the handling for CCW_CMD_SET{,_CONF}_IND.
Cc: qemu-stable@nongnu.org
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
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Fix an off-by-one error when indicating availablity of concurrent
sense data.
Cc: qemu-stable@nongnu.org
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
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Paolo Bonzini <pbonzini@redhat.com> suggested the following test case:
1. Launch a guest and wait at the GRUB boot menu:
qemu-system-x86_64 -enable-kvm -m 1024 \
-drive if=none,cache=none,file=test.img,id=foo,werror=stop,rerror=stop
-device virtio-blk-pci,drive=foo,id=virtio0,addr=4
2. Hot unplug the device:
(qemu) drive_del foo
3. Select the first boot menu entry
Without this patch the guest pauses due to ENOMEDIUM. The guest is
stuck in a continuous pause loop since the I/O request is retried and
fails immediately again when the guest is resumed.
With this patch the error is reported to the guest.
Note that this scenario actually happens sometimes during libvirt disk
hot unplug, where device_del is followed by drive_del. I/O may still be
submitted to the drive after drive_del if the guest does not process the
PCI hot unplug notification.
Reported-by: Dafna Ron <dron@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
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* sstabellini/xen_fixes_20130603:
xen: use pc_init_pci instead of pc_init_pci_no_kvmclock
xen: remove xen_vcpu_init
xen: start PCI hole at 0xe0000000 (same as pc_init1 and qemu-xen-traditional)
xen_machine_pv: do not create a dummy CPU in machine->init
main_loop: do not set nonblocking if xen_enabled()
xen: simplify xen_enabled
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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# By Stefan Hajnoczi (6) and others
# Via Kevin Wolf
* kwolf/for-anthony:
block: dump snapshot and image info to specified output
block: move qmp and info dump related code to block/qapi.c
block: move snapshot code in block.c to block/snapshot.c
block: drop bs_snapshots global variable
qemu-iotests: make create_image() common
qemu-iotests: make compare_images() common
qemu-iotests: make cancel_and_wait() common
qemu-iotests: make assert_no_active_block_jobs() common
block: add block driver read only whitelist
qemu-iotests: fix 054 cluster size help output
Message-id: 1370349940-4703-1-git-send-email-kwolf@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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pci: misc cleanups
This includes some pci-related cleanups,
and fw cfg cleanups which will be useful for on-going
pci related work.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Sun 02 Jun 2013 02:46:52 PM CDT using RSA key ID D28D5469
# gpg: Can't check signature: public key not found
# By Michael S. Tsirkin (8) and Laszlo Ersek (1)
# Via Michael S. Tsirkin
* mst/tags/for_anthony:
pvpanic: use FWCfgState explicitly
fw_cfg: fw_cfg is a singleton
fw_cfg: add API to find FW cfg object
fw_cfg: move typedef to qemu/typedefs.h
refer to FWCfgState explicitly
apic: rename apic specific bitopts
firmware_abi: move to include/hw/nvram/
dec.c - move to pci-bridge
q35: set fw_name
Message-id: 1370202787-3712-1-git-send-email-mst@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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bdrv_snapshot_dump() and bdrv_image_info_dump() do not dump to a buffer now,
some internal buffers are still used for format control, which have no
chance to be truncated. As a result, these two functions have no more issue
of truncation, and they can be used by both qemu and qemu-img with correct
parameter specified.
Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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This patch is a pure code move patch, except following modification:
1 get_human_readable_size() is changed to static function.
2 dump_human_image_info() is renamed to bdrv_image_info_dump().
3 in qmp_query_block() and qmp_query_blockstats, use bdrv_next(bs)
instead of direct traverse of global array 'bdrv_states'.
4 collect_snapshots() and collect_image_info() are renamed, unused parameter
*fmt in collect_image_info() is removed.
5 code style fix.
To avoid conflict and tip better, macro in header file is BLOCK_QAPI_H
instead of QAPI_H. Now block.h and snapshot.h are at the same level in
include path, block_int.h and qapi.h will both include them.
Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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All snapshot related code, except bdrv_snapshot_dump() and
bdrv_is_snapshot(), is moved to block/snapshot.c. bdrv_snapshot_dump()
will be moved to another file later. bdrv_is_snapshot() is not related
with internal snapshot. It also fixes small code style errors reported
by check script.
Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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The bs_snapshots global variable points to the BlockDriverState which
will be used to save vmstate. This is really a savevm.c concept but was
moved into block.c:bdrv_snapshots() when it became clear that hotplug
could result in a dangling pointer.
While auditing the block layer's global state I came upon bs_snapshots
and realized that a variable is not necessary here. Simply find the
first BlockDriverState capable of internal snapshots each time this is
needed.
The behavior of bdrv_snapshots() is preserved across hotplug because new
drives are always appended to the bdrv_states list. This means that
calling the new find_vmstate_bs() function is idempotent - it returns
the same BlockDriverState unless it was hot-unplugged.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Both 030 and 041 use create_image(). Move it to iotests.py.
Also drop ImageStreamingTestCase since the class now has no methods.
Suggested-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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The iotests.compare_images() function returns True if two image files
have the identical data. Previously this was implemented by converting
images to raw and then comparing their contents using Python. Since
"qemu-img compare" is now available and is more efficient, switch to it.
This function will be reused by the 'drive-backup' test case.
Suggested-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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The cancel_and_wait() function has been duplicated in 030 and 041. Move
it into iotests.py and let it return the event so tests can perform
additional asserts.
Note that 041's cancel_and_wait(wait_ready=True) is replaced by
wait_ready_and_cancel(), which uses the new wait_ready() and
cancel_and_wait() underneath.
Suggested-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Tests 030 and 041 both use query-block-jobs to check whether any block
jobs are active. Make this code common so that 'drive-backup' and other
new feature tests will be able to reuse it.
Suggested-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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We may want to include a driver in the whitelist for read only tasks
such as diagnosing or exporting guest data (with libguestfs as a good
example). This patch introduces a readonly whitelist option, and for
backward compatibility, the old configure option --block-drv-whitelist
is now an alias to rw whitelist.
Drivers in readonly list is only permitted to open file readonly, and
returns -ENOTSUP for RW opening.
E.g. To include vmdk readonly, and others read+write:
./configure --target-list=x86_64-softmmu \
--block-drv-rw-whitelist=qcow2,raw,file,qed \
--block-drv-ro-whitelist=vmdk
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Commit f3f4d2c09b9cf46903ba38425ec46c44185162bd added a hint to increase
the cluster size when a large image cannot be created. Test 054 now has
outdated output and fails because the golden output does not match.
This patch updates the 054 golden output.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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It's not a GObject.
Cc: Gerd Hoffman <kraxel@redhat.com>
Reported-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
---
v1 -> v2
- Fix summary to agree with code (Peter)
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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Luiz Capitulino reported that guest refused to boot and qemu
complained with:
kvm_set_phys_mem: error unregistering overlapping slot: Invalid argument
It is caused by commit 235e8982ad that did double free for the memslot
so that the second one raises the -EINVAL error
Fix it by reset memory size only if it is needed
Reported-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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If the user specifies a target list themselves, check each entry
to make sure it's a target we recognise. This allows us to print
a helpful error message, rather than falling through (where we
would probably eventually end up hitting the uninformative
"ERROR: Unsupported target CPU").
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1369062976-301-3-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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