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This was spotted by Coverity, in case where sysconf(_SC_NPROCESSORS_ONLN)
fails and returns -1. This results in memset_num_threads getting set to -1.
Which we then pass to g_new0().
The patch replaces MAX_MEM_PREALLOC_THREAD_COUNT macro with a function call
get_memset_num_threads() to handle sysconf() failure gracefully. In case
sysconf() fails, we fall back to single threaded.
(Spotted by Coverity, CID 1372465.)
Signed-off-by: Jitendra Kolhe <jitendra.kolhe@hpe.com>
Message-Id: <1490079006-32495-1-git-send-email-jitendra.kolhe@hpe.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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This fixes the bug: 'user-to-root privesc inside VM via bad translation
caching' reported by Jann Horn here:
https://bugs.chromium.org/p/project-zero/issues/detail?id=1122
Reviewed-by: Richard Henderson <rth@twiddle.net>
CC: Peter Maydell <peter.maydell@linaro.org>
CC: Paolo Bonzini <pbonzini@redhat.com>
Reported-by: Jann Horn <jannh@google.com>
Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
Message-Id: <20170323175851.14342-1-bobby.prani@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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After the AioContext lock push down, there is a race between
virtio_scsi_dataplane_start and those "assert(s->ctx &&
s->dataplane_started)", because the latter doesn't isn't wrapped in
aio_context_acquire.
Reproducer is simply booting a Fedora guest with an empty
virtio-scsi-dataplane controller:
qemu-system-x86_64 \
-drive if=none,id=root,format=raw,file=Fedora-Cloud-Base-25-1.3.x86_64.raw \
-device virtio-scsi \
-device scsi-disk,drive=root,bootindex=1 \
-object iothread,id=io \
-device virtio-scsi-pci,iothread=io \
-net user,hostfwd=tcp::10022-:22 -net nic,model=virtio -m 2048 \
--enable-kvm
Fix this by moving acquire/release pairs from virtio_scsi_handle_*_vq to
their callers - and wrap the broken assertions in.
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20170317061447.16243-3-famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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They will be used in virtio-scsi-dataplane.c as well, so move them to
header.
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20170317061447.16243-2-famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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clear pending status before calling memory commit.
Otherwise when memory_region_finalize is called,
memory_region_transaction_depth is 0 and
memory_region_update_pending is true.
That's wrong.
Signed-off -by: Anthony Xu <anthony.xu@intel.com>
Message-Id: <4712D8F4B26E034E80552F30A67BE0B1A2E3D5@ORSMSX112.amr.corp.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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The REG_PC define in disas/microblaze.c clashes with a define in
the Linux SPARC system headers:
/home/pm215/qemu/disas/microblaze.c:162:0: error: "REG_PC" redefined [-Werror]
#define REG_PC 32 /* PC */
In file included from /usr/include/signal.h:326:0,
from /home/pm215/qemu/include/qemu/osdep.h:86,
from /home/pm215/qemu/disas/microblaze.c:36:
/usr/include/sparc64-linux-gnu/sys/ucontext.h:96:0: note: this is the location of the previous definition
#define REG_PC (1)
Since the code doesn't actually use the REG_PC define
anywhere, the simplest fix is just to remove it.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1490272961-1128-1-git-send-email-peter.maydell@linaro.org
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hw/i386/trace-events has an amdvi_mmio_read trace that is used for
both normal reads (listing the register name, address, size, and
offset) and for an error case (abusing the register name to show
an error message, the address to show the maximum value supported,
then shoehorning address and size into the size and offset
parameters). The change from a wide address to a narrower size
parameter could truncate a (rather-large) bogus read attempt, so
it's better to create a separate dedicated trace with correct types,
rather than abusing the trace mechanism. Broken since its
introduction in commit d29a09c.
[Change trace event argument type from hwaddr to uint64_t since
user-defined types should not be used for trace events. This fixes a
build failure with LTTng UST.
--Stefan]
Signed-off-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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hw/scsi/trace-events lists cmd as the first parameter for both
megasas_iovec_overflow and megasas_iovec_underflow, but the caller
was mistakenly passing cmd->iov_size twice instead of the command
index. Also, trace_megasas_abort_invalid is called with parameters
in the wrong order. Broken since its introduction in commit
e8f943c3.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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block/trace-events lists the parameters for mirror_yield
consistently with other mirror events (cnt just after s, like in
mirror_before_sleep; in_flight last, like in mirror_yield_in_flight).
But the callers were passing parameters in the wrong order, leading
to poor trace messages, including type truncation when there are
more than 4G dirty sectors involved. Broken since its introduction
in commit bd48bde.
While touching this, ensure that all callers use the same type
(uint64_t) for cnt, as a later patch will enable the compiler to do
stricter type-checking.
Signed-off-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Commit 9a6d1ac assumed that 'qom-type' could be removed from QemuOpts
with no ill effects. However, this command line proves otherwise:
$ ./x86_64-softmmu/qemu-system-x86_64 -nodefaults -nographic -qmp stdio \
-object rng-random,filename=/dev/urandom,id=rng0 \
-device virtio-rng-pci,rng=rng0
qemu-system-x86_64: -object rng-random,filename=/dev/urandom,id=rng0: Parameter 'qom-type' is missing
Fix the regression by restoring qom-type in opts after its temporary
removal that was needed for the duration of user_creatable_add_opts().
Reported-by: Richard W. M. Jones <rjones@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Tested-by: Richard W.M. Jones <rjones@redhat.com>
Message-id: 20170323160315.19696-1-eblake@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Fix some cut-and-paste errors in the OS deprecation warning
pointed out by Thomas Huth.
Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1490119729-26206-1-git-send-email-peter.maydell@linaro.org
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into staging
ppc patch queue for 2017-03-23
Just a single bugfix in this batch. It's not strictly in ppc code,
though it's for the pseries machine's benefit. Eduardo suggested it
go through my tree however.
# gpg: Signature made Thu 23 Mar 2017 10:09:17 GMT
# gpg: using RSA key 0x6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>"
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>"
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>"
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>"
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392
* remotes/dgibson/tags/ppc-for-2.9-20170323:
numa,spapr: align default numa node memory size to 256MB
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Fix linux-user vs. cpu models.
# gpg: Signature made Thu 23 Mar 2017 09:56:13 GMT
# gpg: using RSA key 0xDECF6B93C6F02FAF
# gpg: Good signature from "Cornelia Huck <huckc@linux.vnet.ibm.com>"
# gpg: aka "Cornelia Huck <cornelia.huck@de.ibm.com>"
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0 18CE DECF 6B93 C6F0 2FAF
* remotes/cohuck/tags/s390x-20170323:
target/s390x: Fix broken user mode
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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into staging
cryptodev fixes
# gpg: Signature made Thu 23 Mar 2017 09:22:44 GMT
# gpg: using RSA key 0x2ED7FDE9063C864D
# gpg: Good signature from "Gonglei <arei.gonglei@huawei.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: 3EF1 8E53 3459 E6D1 963A 3C05 2ED7 FDE9 063C 864D
* remotes/gonglei/tags/cryptodev-next-20170323:
cryptodev: fix asserting single queue
cryptodev: setiv only when really need
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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into staging
QAPI patches for 2017-03-22
# gpg: Signature made Wed 22 Mar 2017 18:25:15 GMT
# gpg: using RSA key 0x3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>"
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653
* remotes/armbru/tags/pull-qapi-2017-03-22-v3:
qapi: Fix QemuOpts visitor regression on unvisited input
qom: Avoid unvisited 'id'/'qom-type' in user_creatable_add_opts
tests: Expose regression in QemuOpts visitor
test-qobject-input-visitor: Cover visit_type_uint64()
Revert "hostmem: fix QEMU crash by 'info memdev'"
qapi: Fix string input visitor regression for empty lists
qapi2texi: Fix translation of *strong* and _emphasized_
tests/qapi-schema: Systematic positive doc comment tests
tests/qapi-schema: Make test-qapi.py print docs again
qapi: Drop unused QAPIDoc member optional
qapi2texi: Fix to actually fail when 'doc-required' is false
qapi: Drop excessive Make dependencies on qapi2texi.py
MAINTAINERS: Add myself for files I touched recently
keyval: Document issues with 'any' and alternate types
test-keyval: Cover alternate and 'any' type
keyval: Improve some comments
test-keyval: Tweaks to improve list coverage
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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# gpg: Signature made Wed 22 Mar 2017 17:28:56 GMT
# gpg: using RSA key 0xBDBE7B27C0DE3057
# gpg: Good signature from "Jeffrey Cody <jcody@redhat.com>"
# gpg: aka "Jeffrey Cody <jeff@codyprime.org>"
# gpg: aka "Jeffrey Cody <codyprime@gmail.com>"
# Primary key fingerprint: 9957 4B4D 3474 90E7 9D98 D624 BDBE 7B27 C0DE 3057
* remotes/cody/tags/block-pull-request:
blockjob: add devops to blockjob backends
block-backend: add drained_begin / drained_end ops
blockjob: add block_job_start_shim
blockjob: avoid recursive AioContext locking
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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virtio, pc: fixes
virtio and misc fixes for 2.9.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Wed 22 Mar 2017 16:29:50 GMT
# gpg: using RSA key 0x281F0DB8D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>"
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* remotes/mst/tags/for_upstream:
hw/acpi/vmgenid: prevent more than one vmgenid device
hw/acpi/vmgenid: prevent device realization on pre-2.5 machine types
virtio: always use handle_aio_output if registered
virtio: Fix error handling in virtio_bus_device_plugged
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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staging
# gpg: Signature made Wed 22 Mar 2017 12:54:29 GMT
# 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:
parallels: fix default options parsing
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Returning NULL from get_max_cpu_model results in a SIGSEGV runtime error.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20170130131517.8092-1-sw@weilnetz.de>
Cc: qemu-stable@nongnu.org
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
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We already check for queues == 1 in cryptodev_builtin_init and when that
is not true raise an error. But before that error is reported the
assertion in cryptodev_builtin_cleanup kicks in (because object is being
finalized and freed).
Let's remove assert(queues == 1) form cryptodev_builtin_cleanup as it
does only harm and no good.
Reported-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com>
Signed-off-by: Halil Pasic <pasic@linux.vnet.ibm.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
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ECB mode cipher doesn't need IV, if we setiv for it then qemu
crypto API would report "Expected IV size 0 not **", so we should
setiv only when the cipher algos really need.
Signed-off-by: Longpeng(Mike) <longpeng2@huawei.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
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An off-by-one in commit 15c2f669e meant that we were failing to
check for unparsed input in all QemuOpts visitors. Recent testsuite
additions show that fixing the obvious bug with bogus fields will
also fix the case of an incomplete list visit; update the tests to
match the new behavior.
Simple testcase:
./x86_64-softmmu/qemu-system-x86_64 -nodefaults -nographic -qmp stdio -numa node,size=1g
failed to diagnose that 'size' is not a valid argument to -numa, and
now once again reports:
qemu-system-x86_64: -numa node,size=1g: Invalid parameter 'size'
See also https://bugzilla.redhat.com/show_bug.cgi?id=1434666
CC: qemu-stable@nongnu.org
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Tested-by: Laurent Vivier <lvivier@redhat.com>
Message-Id: <20170322144525.18964-4-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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A regression in commit 15c2f669e caused us to silently ignore
excess input to the QemuOpts visitor. Later, commit ea4641
accidentally abused that situation, by removing "qom-type" and
"id" from the corresponding QDict but leaving them defined in
the QemuOpts, when using the pair of containers to create a
user-defined object. Note that since we are already traversing
two separate items (a QDict and a QemuOpts), we are already
able to flag bogus arguments, as in:
$ ./x86_64-softmmu/qemu-system-x86_64 -nodefaults -nographic -qmp stdio -object memory-backend-ram,id=mem1,size=4k,bogus=huh
qemu-system-x86_64: -object memory-backend-ram,id=mem1,size=4k,bogus=huh: Property '.bogus' not found
So the only real concern is that when we re-enable strict checking
in the QemuOpts visitor, we do not want to start flagging the two
leftover keys as unvisited. Rearrange the code to clean out the
QemuOpts listing in advance, rather than removing items from the
QDict. Since "qom-type" is usually an automatic implicit default,
we don't have to restore it (this does mean that once instantiated,
QemuOpts is not necessarily an accurate representation of the
original command line - but this is not the first place to do that);
however "id" has to be put back (requiring us to cast away a const).
[As a side note, hmp_object_add() turns a QDict into a QemuOpts,
then calls user_creatable_add_opts() which converts QemuOpts into
a new QDict. There are probably a lot of wasteful conversions like
this, but cleaning them up is a much bigger task than the immediate
regression fix.]
CC: qemu-stable@nongnu.org
Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20170322144525.18964-3-eblake@redhat.com>
Tested-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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This lets us hook into drained_begin and drained_end requests from the
backend level, which is particularly useful for making sure that all
jobs associated with a particular node (whether the source or the target)
receive a drain request.
Suggested-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Message-id: 20170316212351.13797-4-jsnow@redhat.com
Signed-off-by: Jeff Cody <jcody@redhat.com>
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Allow block backends to forward drain requests to their devices/users.
The initial intended purpose for this patch is to allow BBs to forward
requests along to BlockJobs, which will want to pause if their associated
BB has entered a drained region.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Message-id: 20170316212351.13797-3-jsnow@redhat.com
Signed-off-by: Jeff Cody <jcody@redhat.com>
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The purpose of this shim is to allow us to pause pre-started jobs.
The purpose of *that* is to allow us to buffer a pause request that
will be able to take effect before the job ever does any work, allowing
us to create jobs during a quiescent state (under which they will be
automatically paused), then resuming the jobs after the critical section
in any order, either:
(1) -block_job_start
-block_job_resume (via e.g. drained_end)
(2) -block_job_resume (via e.g. drained_end)
-block_job_start
The problem that requires a startup wrapper is the idea that a job must
start in the busy=true state only its first time-- all subsequent entries
require busy to be false, and the toggling of this state is otherwise
handled during existing pause and yield points.
The wrapper simply allows us to mandate that a job can "start," set busy
to true, then immediately pause only if necessary. We could avoid
requiring a wrapper, but all jobs would need to do it, so it's been
factored out here.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Message-id: 20170316212351.13797-2-jsnow@redhat.com
Signed-off-by: Jeff Cody <jcody@redhat.com>
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Streaming or any other block job hangs when performed on a block device
that has a non-default iothread. This happens because the AioContext
is acquired twice by block_job_defer_to_main_loop_bh and then released
only once by BDRV_POLL_WHILE. (Insert rants on recursive mutexes, which
unfortunately are a temporary but necessary evil for iothreads at the
moment).
Luckily, the reason for the double acquisition is simple; the function
acquires the AioContext for both the job iothread and the BDS iothread,
in case the BDS iothread was changed while the job was running. It
is therefore enough to skip the second acquisition when the two
AioContexts are one and the same.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Message-id: 1490118490-5597-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Jeff Cody <jcody@redhat.com>
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A system with multiple VMGENID devices is undefined in the VMGENID spec by
omission.
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Ben Warren <ben@skyportsystems.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
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The WRITE_POINTER linker/loader command that underlies VMGENID depends on
commit baf2d5bfbac0 ("fw-cfg: support writeable blobs", 2017-01-12), which
in turn depends on fw_cfg DMA.
DMA for fw_cfg is enabled in 2.5+ machine types only (see commit
e6915b5f3a87, "fw_cfg: unbreak migration compatibility for 2.4 and earlier
machines", 2016-02-18).
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Ben Warren <ben@skyportsystems.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Ben Warren <ben@skyportsystems.com <mailto:ben@skyportsystems.com>>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
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Commit ad07cd6 ("virtio-scsi: always use dataplane path if ioeventfd is
active", 2016-10-30) and 9ffe337 ("virtio-blk: always use dataplane
path if ioeventfd is active", 2016-10-30) broke the virtio 1.0
indirect access registers.
The indirect access registers bypass the ioeventfd, so that virtio-blk
and virtio-scsi now repeatedly try to initialize dataplane instead of
triggering the guest->host EventNotifier. Detect the situation by
checking vq->handle_aio_output; if it is not NULL, trigger the
EventNotifier, which is how the device expects to get notifications
and in fact the only thread-safe manner to deliver them.
Fixes: ad07cd6
Fixes: 9ffe337
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
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Commit 15c2f669e broke the ability of the QemuOpts visitor to
flag extra input parameters, but the regression went unnoticed
because of missing testsuite coverage. Add a test to cover this;
take the approach already used in 9cb8ef3 of adding a test that
passes (to avoid breaking bisection) but marks with BUG the
behavior that we don't like, so that the actual impact of the
fix in a later patch is easier to see.
CC: qemu-stable@nongnu.org
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Message-Id: <20170322144525.18964-2-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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For one thing we shouldn't continue if an error happened, for the other
two steps failing can cause an abort() in error_setg because we reuse
the same errp blindly.
Add error handling checks to fix both issues.
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
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Since commit 224245b ("spapr: Add LMB DR connectors"), NUMA node
memory size must be aligned to 256MB (SPAPR_MEMORY_BLOCK_SIZE).
But when "-numa" option is provided without "mem" parameter,
the memory is equally divided between nodes, but 8MB aligned.
This can be not valid for pseries.
In that case we can have:
$ ./ppc64-softmmu/qemu-system-ppc64 -m 4G -numa node -numa node -numa node
qemu-system-ppc64: Node 0 memory size 0x55000000 is not aligned to 256 MiB
With this patch, we have:
(qemu) info numa
3 nodes
node 0 cpus: 0
node 0 size: 1280 MB
node 1 cpus:
node 1 size: 1280 MB
node 2 cpus:
node 2 size: 1536 MB
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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The new test demonstrates known bugs: integers between INT64_MAX+1 and
UINT64_MAX rejected, and integers between INT64_MIN and -1 are
accepted modulo 2^64.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1490118290-6133-1-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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We plan to drop support in a future QEMU release for host OSes
and host architectures for which we have no test machine where
we can build and run tests. For the 2.9 release, make configure
print a warning if it is run on such a host, so that the user
has some warning of the plans and can volunteer to help us
maintain the port if they need it to continue to function.
This commit flags up as deprecated the CPU architectures:
* ia64
* sparc
* anything which we don't have a TCG port for
(and which was presumably using TCI)
and the OSes:
* GNU/kFreeBSD
* DragonFly BSD
* NetBSD
* OpenBSD
* Solaris
* AIX
* Haiku
It also makes entirely unrecognized host OS strings be
rejected rather than treated as if they were Linux (which
likely never worked).
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1490106717-9542-1-git-send-email-peter.maydell@linaro.org
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This pull request fixes a potential QEMU hang in 9pfs and two issues
reported by Coverity.
# gpg: Signature made Tue 21 Mar 2017 09:57:58 GMT
# gpg: using DSA key 0x02FC3AEB0101DBC2
# gpg: Good signature from "Greg Kurz <groug@kaod.org>"
# gpg: aka "Greg Kurz <groug@free.fr>"
# gpg: aka "Greg Kurz <gkurz@linux.vnet.ibm.com>"
# gpg: aka "Gregory Kurz (Groug) <groug@free.fr>"
# gpg: aka "[jpeg image of size 3330]"
# 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: 2BD4 3B44 535E C0A7 9894 DBA2 02FC 3AEB 0101 DBC2
* remotes/gkurz/tags/for-upstream:
9pfs: proxy: assert if unmarshal fails
9pfs: don't try to flush self and avoid QEMU hang on reset
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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... and drop OPENGL_CFLAGS from Makefiles.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1490079888-29029-1-git-send-email-kraxel@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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parallels block driver is completely broken since commit
commit 75cdcd1553e74b5edc58aed23e3b2da8dabb1876
Author: Markus Armbruster <armbru@redhat.com>
Date: Tue Feb 21 21:14:08 2017 +0100
option: Fix checking of sizes for overflow and trailing crap
Right now even simple
qemu-io -c "read 512 64k" 1.hds
ends up with
Unexpected error in parse_option_size() at util/qemu-option.c:188:
Parameter 'prealloc-size' expects a non-negative number below 2^64
Aborted (core dumped)
The cure is simple - we should use 'M' as a suffix in default option value
instead of 'MiB'.
Signed-off-by: Edgar Kaziahmedov <edos@virtuozzo.mipt.ru>
Signed-off-by: Denis V. Lunev <den@openvz.org>
Message-id: 1490002022-22653-1-git-send-email-den@openvz.org
CC: Markus Armbruster <armbru@redhat.com>
CC: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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This reverts commit 1454d33f0507cb54d62ed80f494884157c9e7130.
The string input visitor regression fixed in the previous commit made
visit_type_uint16List() fail on empty input. query_memdev() calls it
via object_property_get_uint16List(). Because it doesn't expect it to
fail, it passes &error_abort, and duly crashes.
Commit 1454d33 "fixes" this crash by making
host_memory_backend_get_host_nodes() return a list containing just
MAX_NODES instead of the empty list. Papers over the regression, and
leads to bogus "info memdev" output, as shown below; revert.
I suspect that if we had bisected the crash back then, we would have
found and fixed the actual bug instead of papering over it.
To reproduce, run HMP command "info memdev" with
$ qemu-system-x86_64 --nodefaults -S -display none -monitor stdio -object memory-backend-ram,id=mem1,size=4k
With this commit, "info memdev" prints
memory backend: mem1
size: 4096
merge: true
dump: true
prealloc: false
policy: default
host nodes:
exactly like before commit 74f24cb.
Between commit 1454d33 and this commit, it prints
memory backend: mem1
size: 4096
merge: true
dump: true
prealloc: false
policy: default
host nodes: 128
The last line is bogus.
Between commit 74f24cb and 1454d33, it crashes like this:
Unexpected error in parse_str() at /work/armbru/tmp/qemu/qapi/string-input-visitor.c:126:
Parameter 'null' expects an int64 value or range
Aborted (core dumped)
Cc: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1490026424-11330-3-git-send-email-armbru@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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Visiting a list when input is the empty string should result in an
empty list, not an error. Noticed when commit 3d089ce belatedly added
tests, but simply accepted as weird then. It's actually a regression:
broken in commit 74f24cb, v2.7.0. Fix it, and throw in another test
case for empty string.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1490026424-11330-2-git-send-email-armbru@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1490015515-25851-7-git-send-email-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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We have a number of negative tests, but we don't have systematic
positive coverage. Fix that.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1490015515-25851-6-git-send-email-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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test-qapi.py used to print the internal representation of doc comments
(commit 3313b61). This went away when we dropped the doc comments in
positive tests (commit 87c16dc). Bring it back, because I'm going to
add real positive doc comment tests.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1490015515-25851-5-git-send-email-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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Unused since commit aa964b7 "qapi2texi: Convert to QAPISchemaVisitor"
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1490015515-25851-4-git-send-email-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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Messed up in commit bc52d03.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1490015515-25851-3-git-send-email-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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When qapi2texi.py changes, we regenerate everything QAPI. Screwed up
in commit 56e8bdd.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1490015515-25851-2-git-send-email-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1490014548-15083-6-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1490014548-15083-5-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1490014548-15083-4-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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