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We have nearly all the stuff, but this one is missing. Add it in.
Am going to use this new helper for MigrationParameters fields, since
most of them are int64_t.
CC: Markus Armbruster <armbru@redhat.com>
CC: Eduardo Habkost <ehabkost@redhat.com>
CC: Marc-André Lureau <marcandre.lureau@redhat.com>
CC: Peter Xu <peterx@redhat.com>
CC: Juan Quintela <quintela@redhat.com>
CC: Marcel Apfelbaum <marcel@redhat.com>
CC: Eric Blake <eblake@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <1500349150-13240-2-git-send-email-peterx@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
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When we issue a cancel and clean up the RDMA channel
send a CONTROL_ERROR to get the destination to quit.
The rdma_cleanup code waits for the event to come back
from the rdma_disconnect; but that wont happen until the
destination quits and there's currently nothing to force
it.
Note this makes the case of a cancel work while the destination
is alive, and it already works if the destination is
truly dead. Note it doesn't fix the case where the destination
is hung (we get stuck waiting for the rdma_disconnect event).
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <20170717110936.23314-7-dgilbert@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
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control_desc[] is an array of strings that correspond to a
series of message types; they're used only for error messages, but if
the message type is seriously broken then we could go off the end of
the array.
Convert the array to a function control_desc() that bound checks.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20170717110936.23314-6-dgilbert@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
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When waiting for a WRID, if the other side dies we end up waiting
for ever with no way to cancel the migration.
Cure this by poll()ing the fd first with a timeout and checking
error flags and migration state.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <20170717110936.23314-5-dgilbert@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
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The two places that 'goto err_block_for_wrid' weren't setting ret
and so would end up returning 0 even though we've failed.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <20170717110936.23314-4-dgilbert@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
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Closing the file before exit on a failure allows
the source to cleanup better, especially with RDMA.
Partial fix for https://bugs.launchpad.net/qemu/+bug/1545052
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20170717110936.23314-3-dgilbert@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
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Fix a race where the destination might try and send the source a
WRID_READY before the source has done a post-recv for it.
rdma_post_recv has to happen after the qp exists, and we're
OK since we've already called qemu_rdma_source_init that calls
qemu_alloc_qp.
This corresponds to:
https://bugzilla.redhat.com/show_bug.cgi?id=1285044
The race can be triggered by adding a few ms wait before this
post_recv_control (which was originally due to me turning on loads of
debug).
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <20170717110936.23314-2-dgilbert@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
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'remotes/ehabkost/tags/x86-and-machine-pull-request' into staging
x86 and machine queue, 2017-07-17
# gpg: Signature made Mon 17 Jul 2017 19:46:14 BST
# gpg: using RSA key 0x2807936F984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>"
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF D1AA 2807 936F 984D C5A6
* remotes/ehabkost/tags/x86-and-machine-pull-request:
qmp: Include parent type on 'qom-list-types' output
qmp: Include 'abstract' field on 'qom-list-types' output
tests: Simplify abstract-interfaces check with a helper
i386: add Skylake-Server cpu model
i386: Update comment about XSAVES on Skylake-Client
i386: expose "TCGTCGTCGTCG" in the 0x40000000 CPUID leaf
fw_cfg: move QOM type defines and fw_cfg types into fw_cfg.h
fw_cfg: move qdev_init_nofail() from fw_cfg_init1() to callers
fw_cfg: switch fw_cfg_find() to locate the fw_cfg device by type rather than path
qom: Fix ambiguous path detection when ambiguous=NULL
Revert "machine: Convert abstract typename on compat_props to subclass names"
test-qdev-global-props: Test global property ordering
qdev: fix the order compat and global properties are applied
tests: Test case for object_resolve_path*()
device-crash-test: Fix regexp on whitelist
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Or, rather, force the open of a backing image if one was specified
for creation. Using a similar -unsafe option as rebase, allow qemu-img
to ignore the backing file validation if possible.
It may not always be possible, as in the existing case when a filesize
for the new image was not specified.
This is accomplished by shifting around the conditionals in
bdrv_img_create, such that a backing file is always opened unless we
provide BDRV_O_NO_BACKING. qemu-img is adjusted to pass this new flag
when -u is provided to create.
Sorry for the heinous looking diffstat, but it's mostly whitespace.
Inspired by: https://bugzilla.redhat.com/show_bug.cgi?id=1213786
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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For both external_snapshot_prepare and qmp_drive_mirror, we eventually
append the option BDRV_O_NO_BACKING. However, we generally do so after
we create the image.
To accommodate image creation wanting to verify that a backing file
exists or not, add this option prior to create to override checking
the existence of the backing file. This prevents QEMU from trying to
re-open a backing file that's already in use (thanks to qcow2 locking).
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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gcc 7 complains that the sprintf() might write a null byte beyond the
end of the tail buffer. That is wrong, but we can silence it by making
i unsigned (it can never be negative anyway, see the if condition right
before). For some reason, this allows gcc to suddenly accurately
calculate the range of i so we can give the tail[] array the exact size
it needs to have (which is 8 bytes) without gcc complaining.
In addition, let us convert the sprintf() to snprintf(), because that is
always nicer, and add an assertion about the range of the return value
afterwards so we can see that "8 - len" will never be negative and thus
"entry->name + MIN(j, 8 - len)" will never be out of bounds.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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This prevents some host to guest memory content leaks.
Fixes: https://bugs.launchpad.net/qemu/+bug/1599539
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Write support works again when image contains non-ASCII names. It is either the
case when user created a non-ASCII filename, or when initial directory contained
a non-ASCII filename (since 0c36111f57ec2188f679e7fa810291b7386bdca1)
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Also add links to related compatibility problems.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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This caused an assertion failure until recently because the BlockBackend
would be detached on unplug, but was in fact never attached in the first
place. Add a regression test.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
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This test makes sure that all block devices show up on 'info block',
with all of the expected information, in different configurations.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
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If no drive=... option is passed (for an empty drive), we don't only
lack the BlockBackend normally created by parse_drive(), but we also
need to manually call blk_attach_dev().
This fixes at least a segfault when unplugging such devices, the bug
that they didn't show up in query-block, and probably some more
problems.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
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If no drive=... option is passed (for an empty drive), we don't only
lack the BlockBackend normally created by parse_drive(), but we also
need to manually call blk_attach_dev().
IDE does not support hot unplug, but if it did, qdev would take care to
call the matching blk_detach_dev() on unplug.
This fixes at least the bug that such devices didn't show up in
query-block, and probably some more problems.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
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Instead of listing only monitor-owned BlockBackends in query-block, also
add those anonymous BlockBackends that are owned by a qdev device and as
such under the control of the user.
This allows using query-block to inspect BlockBackends for the modern
configuration syntax with -blockdev and -device.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
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This patch replaces the blk_next() loop in query-block by a
blk_all_next() one so that we also get access to BlockBackends that
aren't owned by the monitor. For now, the next thing we do is check
whether each BB has a name, so there is no semantic difference.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
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With -blockdev/-device, users can indirectly create anonymous
BlockBackends, while the state of such backends is still of interest. As
a preparation for making such BBs visible in query-block, make sure that
they can be identified even without a name by adding the ID/QOM path of
their qdev device to BlockInfo.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
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Coverity (CID 1355236) points out that get_image_offset() doesn't check that
it actually succeeded in writing the updated block bitmap to the file.
Check the error return from bdrv_pwrite_sync() and propagate an error
response back up to the function which calls get_image_offset() for
a write so that it can return the error to its caller.
get_sector_offset() is only used for reads, but we move it to the
same API for consistency.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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The function vmdk_read_cid() can fail if the read on the underlying
block device fails, or if there's a format error in the VMDK file.
However its API doesn't provide a mechanism to report these errors,
and in some cases we were returning a CID of 0 and in some cases a
CID of 0xffffffff, either of which might potentially be valid values.
Change the function to return 0 on success or a negative errno, and
return the CID via a uint32_t* argument. Update the callsites to
handle and propagate the error appropriately.
This fixes in passing a Coverity-spotted issue (CID 1350038) where
we weren't checking the return value from sscanf().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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throttle_config() cancels the timers of the calling BlockBackend. This
doesn't make sense because other BlockBackends in the group remain
untouched. There's no need to cancel the timers in the one specific
BlockBackend so let's not do that. Throttled requests will run as
scheduled and future requests will follow the new configuration. This
also allows a throttle group's configuration to be changed even when it
has no members.
Signed-off-by: Manos Pitsidianakis <el13635@mail.ntua.gr>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Clock type in throttling is currently inferred by the ThrottleTimer's
clock type even though it is a per-ThrottleGroup property; it doesn't
make sense to have different clock types in the same group. Moving this
to a field in ThrottleGroup can simplify some of the throttle functions.
Signed-off-by: Manos Pitsidianakis <el13635@mail.ntua.gr>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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I can't see how overlay_bs could become NULL with the current code, but
other code in this function already checks it and we can make Coverity
happy with this check, so let's add it.
Cc: qemu-stable@nongnu.org
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
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'remotes/mdroth/tags/qga-pull-2017-07-17-v2-tag' into staging
qemu-ga patch queue
* new command: qemu-get-osinfo
* build fix for OpenBSD
* better error-reporting for failure on keyfile dump
* remove redundant initialization of qa_state global
* include libpcre in w32 package
* w32 localization fixes for service installation/registration
v2:
* fix build issue with older GCCs introduced with guest_get_osinfo
* relocated some declarations in guest_get_osinfo
# gpg: Signature made Tue 18 Jul 2017 11:52:45 BST
# gpg: using RSA key 0x3353C9CEF108B584
# gpg: Good signature from "Michael Roth <flukshun@gmail.com>"
# gpg: aka "Michael Roth <mdroth@utexas.edu>"
# gpg: aka "Michael Roth <mdroth@linux.vnet.ibm.com>"
# Primary key fingerprint: CEAC C9E1 5534 EBAB B82D 3FA0 3353 C9CE F108 B584
* remotes/mdroth/tags/qga-pull-2017-07-17-v2-tag:
test-qga: add test for guest-get-osinfo
test-qga: pass environemnt to qemu-ga
qemu-ga: add guest-get-osinfo command
qga: report error on keyfile dump error
qga-win32: remove a redundancy code
qemu-ga: check if utmpx.h is available on the system
qemu-ga: add missing libpcre to MSI build
qga-win: fix installation on localized windows
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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staging
# gpg: Signature made Mon 17 Jul 2017 16:40:18 BST
# gpg: using RSA key 0x9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>"
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8
* remotes/stefanha/tags/block-pull-request:
block: fix shadowed variable in bdrv_co_pdiscard
util/aio-win32: Only select on what we are actually waiting for
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Add test for guest-get-osinfo command.
Qemu-ga was modified to accept QGA_OS_RELEASE environment variable. If
the variable is defined it is interpreted as path to the os-release file
and it is parsed instead of the default paths.
Signed-off-by: Tomáš Golembiovský <tgolembi@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
* move declarations to beginning of functions
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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Modify fixture_setup() to pass environemnt variables to spawned qemu-ga
instance.
Signed-off-by: Tomáš Golembiovský <tgolembi@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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Add a new 'guest-get-osinfo' command for reporting basic information of
the guest operating system. This includes machine architecture,
version and release of the kernel and several fields from os-release
file if it is present (as defined in [1]).
[1] https://www.freedesktop.org/software/systemd/man/os-release.html
Signed-off-by: Vinzenz Feenstra <vfeenstr@redhat.com>
Signed-off-by: Tomáš Golembiovský <tgolembi@redhat.com>
* moved declarations to beginning of functions
* dropped unecessary initialization of struct utsname
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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into staging
Queued target/mips patches
# gpg: Signature made Mon 17 Jul 2017 15:50:27 BST
# gpg: using RSA key 0xBA9C78061DDD8C9B
# gpg: Good signature from "Aurelien Jarno <aurelien@aurel32.net>"
# gpg: aka "Aurelien Jarno <aurelien@jarno.fr>"
# gpg: aka "Aurelien Jarno <aurel32@debian.org>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 7746 2642 A9EF 94FD 0F77 196D BA9C 7806 1DDD 8C9B
* remotes/aurel/tags/pull-target-mips-20170717:
target/mips: optimize WSBH, DSBH and DSHD
mips: set CP0 Debug DExcCode for SDBBP instruction
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
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to stay backward incompatible.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
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Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
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Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
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see http://mxe.cc/
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
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Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
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Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
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previous commit change image mips little -> big endian
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
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change image mips little -> big endian
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
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Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
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Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
[AJB: split from merged patch]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
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Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
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Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
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Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
[AJB: minor tweak to name]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
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Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
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