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# gpg: Signature made Tue 17 Nov 2015 20:06:58 GMT using RSA key ID AAFC390E
# gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>"
* remotes/jnsnow/tags/ide-pull-request:
ide: enable buffered requests for PIO read requests
ide: enable buffered requests for ATAPI devices
ide: orphan all buffered requests on DMA cancel
ide: add support for IDEBufferedRequest
block: add blk_abort_aio_request
ide/atapi: make PIO read requests async
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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fafcaf1 added a 'qemu-ga' install target on w32, which can be used
in place of the existing qemu-ga.exe target to also handle dealing
with other components such as DLLs for VSS/fsfreeze and generating
an MSI package if appropriate configure options are present.
As part of that, qemu-ga$(EXESUF) was removed from $TOOLS in favor
of this new qemu-ga target.
The install rule however relies on a direct mapping of the $TOOLS
entry to the actual resulting binary. In the case of w32, qemu-ga
is not identical to qemu-ga$(EXESUF), and the install recipe fails
to find the 'qemu-ga' binary.
Fix this by essentially remapping 'qemu-ga' back to 'qemu-ga.exe'
in the install recipe.
This raises the question of whether or not qemu-ga should continue
to live in TOOLS as opposed to its own special target, but as a
late fix for a regression in 2.5 this commit should be safer, since
we rely on qemu-ga's presence in $TOOLS in several places throughout
Makefile.
Reported-by: Stefan Weil <sw@weilnetz.de>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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This was original behaviour before GLIB gspawn() rework and we rely on
this behaviour.
Signed-off-by: Yuri Pudgorodskiy <yur@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Michael Roth <mdroth@linux.vnet.ibm.com>
* add version check (2.33.2) for G_SPAWN_SEARCH_PATH_FROM_ENVP
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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envp == NULL must be passed inside gspawn() if it was not passed with
the command line. Original code inherits environment from the QGA,
which is wrong.
Signed-off-by: Yuri Pudgorodskiy <yur@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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staging
X86 fixes, 2015-11-17
Two X86 fixes, hopefully in time for -rc1.
# gpg: Signature made Tue 17 Nov 2015 19:06:53 GMT using RSA key ID 984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>"
* remotes/ehabkost/tags/x86-pull-request:
target-i386: Disable rdtscp on Opteron_G* CPU models
target-i386: Fix mulx for identical target regs
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Signed-off-by: Peter Lieven <pl@kamp.de>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 1447345846-15624-7-git-send-email-pl@kamp.de
Signed-off-by: John Snow <jsnow@redhat.com>
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Signed-off-by: Peter Lieven <pl@kamp.de>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 1447345846-15624-6-git-send-email-pl@kamp.de
Signed-off-by: John Snow <jsnow@redhat.com>
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If the guests canceles a DMA request we can prematurely
invoke all callbacks of buffered requests and flag all them
as orphaned. Ideally this avoids the need for draining all
requests. For CDROM devices this works in 100% of all cases.
Signed-off-by: Peter Lieven <pl@kamp.de>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 1447345846-15624-5-git-send-email-pl@kamp.de
Signed-off-by: John Snow <jsnow@redhat.com>
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this patch adds a new aio readv compatible function which copies
all data through a bounce buffer. These buffered requests can be
flagged as orphaned which means that their original callback has
already been invoked and the request has just not been completed
by the backend storage. The bounce buffer guarantees that guest
memory corruption is avoided when such a orphaned request is
completed by the backend at a later stage.
This trick only works for read requests as a write request completed
at a later stage might corrupt data as there is no way to control
if and what data has already been written to the storage.
Signed-off-by: Peter Lieven <pl@kamp.de>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 1447345846-15624-4-git-send-email-pl@kamp.de
Signed-off-by: John Snow <jsnow@redhat.com>
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Signed-off-by: Peter Lieven <pl@kamp.de>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 1447345846-15624-3-git-send-email-pl@kamp.de
Signed-off-by: John Snow <jsnow@redhat.com>
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PIO read requests on the ATAPI interface used to be sync blk requests.
This has two significant drawbacks. First the main loop hangs util an
I/O request is completed and secondly if the I/O request does not
complete (e.g. due to an unresponsive storage) Qemu hangs completely.
Note: Due to possible race conditions requests during an ongoing
elementary transfer are still sync.
Signed-off-by: Peter Lieven <pl@kamp.de>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 1447345846-15624-2-git-send-email-pl@kamp.de
Signed-off-by: John Snow <jsnow@redhat.com>
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KVM can't virtualize rdtscp on AMD CPUs yet, so there's no point
in enabling it by default on AMD CPU models, as all we are
getting are confused users because of the "host doesn't support
requested feature" warnings.
Disable rdtscp on Opteron_G* models, but keep compatibility on
pc-*-2.4 and older (just in case there are people are doing funny
stuff using AMD CPU models on Intel hosts).
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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The Intel specification clearly indicates that the low part
of the result is written first and the high part of the result
is written second; thus if ModRM:reg and VEX.vvvv are identical,
the final result should be the high part of the result.
At present, TCG may either produce incorrect results or crash
with --enable-checking.
Reported-by: Toni Nedialkov <farmdve@gmail.com>
Reported-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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We wanted to start/stop rings on VRING_ENABLE, but that is not what QEMU
does. Rather than tweaking code some more, with risk to stability, let's
just document it as it is.
We'll be able to fix this in the future with a new protocol feature bit.
Reported-by: Victor Kaplansky <victork@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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During migration devices continue writing to the guest's memory.
The writes has to be reported to QEMU. This change implements
minimal support in vhost-user-bridge required for successful
migration of a guest with virtio-net device.
Signed-off-by: Victor Kaplansky <victork@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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There's no indication of any sort that i440fx doesn't support
"iommu=on"
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Bandan Das <bsd@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Bandan Das <bsd@redhat.com>
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The helper function machine_iommu() isn't necesary. We can
directly check for the property.
Signed-off-by: Bandan Das <bsd@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Bandan Das <bsd@redhat.com>
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staging
vnc: buffer code improvements, bugfixes.
# gpg: Signature made Mon 16 Nov 2015 17:20:02 GMT using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
* remotes/kraxel/tags/pull-vnc-20151116-1:
vnc: fix mismerge
buffer: allow a buffer to shrink gracefully
buffer: factor out buffer_adj_size
buffer: factor out buffer_req_size
vnc: recycle empty vs->output buffer
vnc: fix local state init
vnc: only alloc server surface with clients connected
vnc: use vnc_{width,height} in vnc_set_area_dirty
vnc: factor out vnc_update_server_surface
vnc: add vnc_width+vnc_height helpers
vnc: zap dead code
vnc-jobs: move buffer reset, use new buffer move
vnc: kill jobs queue buffer
vnc: attach names to buffers
buffer: add tracing
buffer: add buffer_shrink
buffer: add buffer_move
buffer: add buffer_move_empty
buffer: add buffer_init
buffer: make the Buffer capacity increase in powers of two
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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staging
# gpg: Signature made Tue 17 Nov 2015 11:13:05 GMT using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>"
* remotes/stefanha/tags/block-pull-request:
virtio-blk: Fix double completion for werror=stop
block: make 'stats-interval' an array of ints instead of a string
aio-epoll: Fix use-after-free of node
disas/arm: avoid clang shifting negative signed warning
tpm: avoid clang shifting negative signed warning
tests: Ignore recent test binaries
docs: update bitmaps.md
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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When a request R is absorbed by request M, it is appended to the
"mr_next" queue led by M, and is completed together with the completion
of M, in virtio_blk_rw_complete.
During DMA restart in virtio_blk_dma_restart_bh, requests in s->rq are
parsed and submitted again, possibly with a stale req->mr_next. It could
be a problem if the request merging in virtio_blk_handle_request hasn't
refreshed every mr_next pointer, in which case, virtio_blk_rw_complete
could walk through unexpected requests following the stale pointers.
Fix this by unsetting the pointer in virtio_blk_rw_complete. It is safe
because this req is either completed and freed right away, or it will be
restarted and parsed from scratch out of the vq later.
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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This is the natural JSON representation and prevents us from having to
decode the list manually.
Signed-off-by: Alberto Garcia <berto@igalia.com>
Message-id: 0e3da8fa206f4ab534ae3ce6086e75fe84f1557e.1447665472.git.berto@igalia.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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aio_epoll_update needs the fields in node, so delay the free.
Reported-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-id: 1447655534-13974-1-git-send-email-famz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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clang 3.7.0 on x86_64 warns about the following:
disas/arm.c:1782:17: warning: shifting a negative signed value is undefined [-Wshift-negative-value]
imm |= (-1 << 7);
~~ ^
Note that this patch preserves the tab indent in this source file
because the surrounding code still uses tabs.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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clang 3.7.0 on x86_64 warns about the following:
hw/tpm/tpm_tis.c:1000:36: warning: shifting a negative signed value is undefined [-Wshift-negative-value]
tis->loc[c].iface_id = TPM_TIS_IFACE_ID_SUPPORTED_FLAGS1_3;
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
hw/tpm/tpm_tis.c:144:10: note: expanded from macro 'TPM_TIS_IFACE_ID_SUPPORTED_FLAGS1_3'
(~0 << 4)/* all of it is don't care */)
~~ ^
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Commits 6c6f312d and bd797fc1 added new tests (test-blockjob-txn
and test-timed-average, respectively), but did not mark them for
exclusion in .gitignore.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 1447386423-13160-1-git-send-email-eblake@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Include new error handling scenarios for 2.5.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1447196417-26081-1-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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staging
QAPI patches
# gpg: Signature made Tue 17 Nov 2015 08:28:24 GMT using RSA key ID EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>"
* remotes/armbru/tags/pull-qapi-2015-11-17:
input: Document why x-input-send-event is still experimental
qapi: Document introspection stability considerations
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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The x-input-send-event command was introduced in 2.2 with mention
that it is experimental, but now that several releases have elapsed
without any changes, it would be nice to document why that was done
and should still remain experimental in 2.5.
Meanwhile, our documentation states that we prefer 'lower-case',
rather than 'CamelCase', for qapi enum values. The InputButton and
InputAxis enums violate this convention. However, because they are
currently used primarily for generating code that is used internally;
and their only exposure through QMP is via the experimental
'x-input-send-event' command, we are free to change their spelling.
Of course, it would be nicer to delay such a change until the same
time we promote the command to non-experimental. Adding
documentation will help us remember to do that rename.
We have plans to tighten the qapi generator to flag instances of
inconsistent use of naming conventions; if that lands first, it
will just need to whitelist these exceptions until the time we
settle on the final interface.
Fix a typo in the docs for InputAxis while at it.
Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1447354243-31825-1-git-send-email-eblake@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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We are not ready (and might never be ready) to declare
introspection stable between releases. Clients written to
control multiple versions of qemu, and desiring to know
whether a particular member is supported for a given
command, must be prepared to locate that member in spite
of qapi changes that may affect the member's location or
type within the overall object, even though such changes
did not break QMP wire back-compatibility.
Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1447264202-19554-1-git-send-email-eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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We are currently only sending VRING_ENABLE message for the first ring,
that's wrong: we must start/stop them all.
Reported-by: Victor Kaplansky <victork@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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When we get an unexpected response, print out
the original request.
Helps debug protocol errors tremendously.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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vhost-user-test is broken now: it assumes
QEMU sends RESET_OWNER, and we stopped doing that.
Wait for ENABLE_RING with 0 instead.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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staging
seccomp branch queue
# gpg: Signature made Mon 16 Nov 2015 08:50:28 GMT using RSA key ID 12F8BD2F
# gpg: Good signature from "Eduardo Otubo (Software Engineer @ ProfitBricks) <eduardo.otubo@profitbricks.com>"
# 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: 1C96 46B6 E1D1 C38A F2EC 3FDE FD0C FF5B 12F8 BD2F
* remotes/otubo/tags/pull-seccomp-20151116:
seccomp: loosen library version dependency
configure: arm/aarch64: allow enable-seccomp
seccomp: add cacheflush to whitelist
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Clarify logging setup to make sure all clients comply in a way that is
future-proof. Document how rings are started/stopped.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Victor Kaplansky <victork@redhat.com>
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# gpg: Signature made Fri 13 Nov 2015 20:16:21 GMT using RSA key ID AAFC390E
# gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>"
* remotes/jnsnow/tags/ide-pull-request:
qtest/ahci: use raw format when qemu-img is absent
libqos: add qemu-img presence check
qtest/ahci: always specify image format
ahci/qtest: don't use tcp sockets for migration tests
atapi: Prioritize unknown cmd error over BCL error
atapi: add byte_count_limit helper
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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First of all, RESET_OWNER message is sent incorrectly, as it's sent
before GET_VRING_BASE. And the reset message would let the later call
get nothing correct.
And, sending SET_VRING_ENABLE at stop, which has already been done,
makes more sense than RESET_OWNER.
Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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But not depend on PROTOCOL_F_MQ feature bit. So that we could use
SET_VRING_ENABLE to sign the backend on stop, even if MQ is disabled.
That's reasonable, since we will have one queue pair at least.
Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Drop the libseccomp required version back to 2.1.0, restoring the ability
to build w/ --enable-seccomp on Ubuntu 14.04.
Commit 4cc47f8b3cc4f32586ba2f7fce1dc267da774a69 tightened the dependency
on libseccomp from version 2.1.0 to 2.1.1. This broke building on Ubuntu
14.04, the current Ubuntu LTS release. The commit message didn't mention
any specific functional need for 2.1.1, just that it was the most recent
stable version at the time. I reviewed the changes between 2.1.0 and 2.1.1,
but it looks like that update just contained minor fixes and cleanups - no
obvious (to me) new interfaces or critical bug fixes.
Signed-off-by: dann frazier <dann.frazier@canonical.com>
Acked-by: Eduardo Otubo <eduardo.otubo@profitbricks.com>
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This is a revert of ae6e8ef11e6cb, but with a bit of refactoring,
and also specifically adding arm/aarch64, rather than all
architectures. Currently, libseccomp code appears to also support
mips, ppc, and s390. We could therefore allow qemu to enable
seccomp for those platforms as well, with additional configure
patches, given they're tested and proven to work.
Signed-off-by: Andrew Jones <drjones@redhat.com>
Acked-by: Eduardo Otubo <eduardo.otubo@profitbricks.com>
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cacheflush is an arm-specific syscall that qemu built for arm
uses. Add it to the whitelist, but only if we're linking with
a recent enough libseccomp.
Signed-off-by: Andrew Jones <drjones@redhat.com>
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If we don't have the qemu-img tool, use the raw format
for tests and skip the high-sector LBA48 tests.
Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 1447439479-16775-4-git-send-email-jsnow@redhat.com
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To allow tests to optionally exercise additional tests
that require the qemu-img tool that may not be present
in all builds.
Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 1447439479-16775-3-git-send-email-jsnow@redhat.com
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Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 1447439479-16775-2-git-send-email-jsnow@redhat.com
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Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 1447108074-20609-1-git-send-email-jsnow@redhat.com
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If we don't know about the command at all, we need to prioritize
that failure above the zero byte-count-limit failure.
This fixes a failure in the sparc64 NetBSD 7.0 installer bootup.
Reported-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: John Snow <jsnow@redhat.com>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-id: 1447095959-10046-3-git-send-email-jsnow@redhat.com
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Signed-off-by: John Snow <jsnow@redhat.com>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-id: 1447095959-10046-2-git-send-email-jsnow@redhat.com
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Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Add support for the Xilinx XADC core used in Zynq 7000.
References:
- Zynq-7000 All Programmable SoC Technical Reference Manual
- 7 Series FPGAs and Zynq-7000 All Programmable SoC XADC
Dual 12-Bit 1 MSPS Analog-to-Digital Converter
Tested with Linux using QEMU machine xilinx-zynq-a9 with devicetree
files zynq-zc702.dtb and zynq-zc706.dtb, and kernel configuration
multi_v7_defconfig.
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
[ PC changes:
* Changed macro names to match TRM where possible
* Made programmers model macro scheme consistent
* Dropped XADC_ZYNQ_ prefix on local macros
* Fix ALM field width
* Update threshold-comparison interrupts in _update_ints()
* factored out DFIFO pushes into helper. Renamed to "push/pop"
* Changed xadc_reg to 10 bits and added OOB check.
* Reduced scope of MCTL reset to just stop channel coms.
* Added dummy read data to write commands
* Changed _ to - seperators in string names and filenames
* Dropped ------------ in header comment
* Catchall'ed _update_ints() in _write handler.
* Minor whitespace changes.
* Use ZYNQ_XADC_FIFO_DEPTH instead of ARRAY_SIZE()
]
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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into staging
migration/next for 20151112
# gpg: Signature made Thu 12 Nov 2015 16:56:44 GMT using RSA key ID 5872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>"
# gpg: aka "Juan Quintela <quintela@trasno.org>"
* remotes/juanquintela/tags/migration/20151112:
migration_init: Fix lock initialisation/make it explicit
migrate-start-postcopy: Improve text
Postcopy: Fix TP!=HP zero case
Finish non-postcopiable iterative devices before package
migration: Make 32bit linux compile with RDMA
migration: print ram_addr_t as RAM_ADDR_FMT not %zx
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Block layer patches (rebased Stefan's pull request)
# gpg: Signature made Thu 12 Nov 2015 15:34:16 GMT using RSA key ID C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"
* remotes/kevin/tags/for-upstream: (43 commits)
block: Update copyright of the accounting code
scsi-disk: Account for failed operations
macio: Account for failed operations
ide: Account for failed and invalid operations
atapi: Account for failed and invalid operations
xen_disk: Account for failed and invalid operations
virtio-blk: Account for failed and invalid operations
nvme: Account for failed and invalid operations
iotests: Add test for the block device statistics
block: Use QEMU_CLOCK_VIRTUAL for the accounting code in qtest mode
qemu-io: Account for failed, invalid and flush operations
block: New option to define the intervals for collecting I/O statistics
block: Add average I/O queue depth to BlockDeviceTimedStats
block: Compute minimum, maximum and average I/O latencies
block: Allow configuring whether to account failed and invalid ops
block: Add statistics for failed and invalid I/O operations
block: Add idle_time_ns to BlockDeviceStats
util: Infrastructure for computing recent averages
block: define 'clock_type' for the accounting code
ide: Account for write operations correctly
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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