Commit Graph

42710 Commits

Author SHA1 Message Date
Peter Maydell
61e3aa25b1 trivial patches for 2015-12-04
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Merge remote-tracking branch 'remotes/mjt/tags/pull-trivial-patches-2015-12-04' into staging

trivial patches for 2015-12-04

# gpg: Signature made Fri 04 Dec 2015 06:40:23 GMT using RSA key ID A4C3D7DB
# gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>"
# gpg:                 aka "Michael Tokarev <mjt@corpit.ru>"
# gpg:                 aka "Michael Tokarev <mjt@debian.org>"

* remotes/mjt/tags/pull-trivial-patches-2015-12-04:
  bt: check struct sizes
  typedefs: Put them back into alphabetical order
  scsi: remove scsi_req_free prototype
  gt64xxx: fix decoding of ISD register
  configure: use appropriate code fragment for -fstack-protector checks
  crypto: avoid two coverity false positive error reports
  configure: Diagnose broken linkers directly
  bt: avoid unintended sign extension
  util/id: fully allocate names table

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-12-04 10:55:03 +00:00
Peter Maydell
f33d046d23 ppc patch queue for 2.5 2015-12-04
This contains some last minute QOM behaviour fixes from Markus
 Armbruster.
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.5-20151204' into staging

ppc patch queue for 2.5 2015-12-04

This contains some last minute QOM behaviour fixes from Markus
Armbruster.

# gpg: Signature made Fri 04 Dec 2015 06:43:54 GMT using RSA key ID 20D9B392
# 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: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E  87DC 6C38 CACA 20D9 B392

* remotes/dgibson/tags/ppc-for-2.5-20151204:
  spapr_drc: Change value of property "fdt" from null back to {}
  spapr_drc: Make device "spapr-dr-connector" unavailable with -device
  spapr_drc: Handle visitor errors properly

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-12-04 09:49:28 +00:00
Paolo Bonzini
98475746b3 bt: check struct sizes
See http://permalink.gmane.org/gmane.linux.bluez.kernel/36505.  For historical
reasons these do not use sizeof, and Coverity caught a mistake in
EVT_ENCRYPT_CHANGE_SIZE.

In addition:

- remove status from create_conn_cancel_cp; the "status" field is only
in rp structs.  Note that this means that the OCF_CREATE_CONN_CANCEL
could never have worked (it would have failed the LENGTH_CHECK), but
I am keeping it anyway.

- OCF_READ_LINK_QUALITY similarly could never have worked, but I am
fixing read_link_quality_cp anyway.

- fix inquiry_info which is shorter by one: the kernel has a struct that
is 14 byte long, but not counting the initial num_responses byte which
the kernel parses separately;

- remove extended_inquiry_info altogether, since it's not used and unlike
the other inquiry structs does not have the initial num_responses byte.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-12-04 09:39:55 +03:00
Markus Armbruster
2988cbeaf9 typedefs: Put them back into alphabetical order
"Please keep this list in alphabetical order" has been more honoured
in the breach than in the observance.  Clean up.

While there, drop a redundant struct declaration.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-12-04 09:39:55 +03:00
Hervé Poussineau
8ea9900330 scsi: remove scsi_req_free prototype
Function has been deleted in ad2d30f79d.

Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-12-04 09:39:55 +03:00
Paolo Bonzini
63fc7375d6 gt64xxx: fix decoding of ISD register
The GT64xxx's internal registers can be placed above the first 4 GiB
in the address space, but not above the first 64 GiB.  Correctly cast
the register to a 64-bit integer, and mask away bits above bit 35.

Datasheet at http://pdf.datasheetarchive.com/datasheetsmain/Datasheets-33/DSA-655889.pdf
(bug reported by Coverity).

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-12-04 09:39:55 +03:00
Rodrigo Rebello
fccd35a046 configure: use appropriate code fragment for -fstack-protector checks
The check for stack-protector support consisted in compiling and linking
the test program below (output by function write_c_skeleton()) with the
compiler flag -fstack-protector-strong first and then with
-fstack-protector-all if the first one failed to work:

  int main(void) { return 0; }

This caused false positives when using certain toolchains in which the
compiler accepted -fstack-protector-strong but no support was provided
by the C library, since for this stack-protector variant the compiler
emits canary code only for functions that meet specific conditions
(local arrays, memory references to local variables, etc.) and the code
fragment under test included none of them (hence no stack protection
code generated, no link failure).

This fix changes the test program used for -fstack-protector checks to
include a function that meets conditions which cause the compiler to
generate canary code in all variants.

Signed-off-by: Rodrigo Rebello <rprebello@gmail.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-12-04 09:39:55 +03:00
Daniel P. Berrange
0e1d02452b crypto: avoid two coverity false positive error reports
In qcrypto_tls_creds_get_path() coverity complains that
we are checking '*creds' for NULL, despite having
dereferenced it previously. This is harmless bug due
to fact that the trace call was too early. Moving it
after the cleanup gets the desired semantics.

In qcrypto_tls_creds_check_cert_key_purpose() coverity
complains that we're passing a pointer to a previously
free'd buffer into gnutls_x509_crt_get_key_purpose_oid()
This is harmless because we're passing a size == 0, so
gnutls won't access the buffer, but rather just report
what size it needs to be. We can avoid it though by
explicitly setting the buffer to NULL after free'ing
it.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-12-04 09:39:55 +03:00
Peter Maydell
0ef74c7496 configure: Diagnose broken linkers directly
Currently if the user's compiler works for creating .o files but
their linker is broken such that compiling an executable from a
C file does not work, we will report a misleading error message
about the compiler not supporting __thread (since that happens
to be the first test we run which requires a working linker).
Explicitly check that compile_prog works as well as compile_object,
so that people whose toolchain setup is broken get a more helpful
error message.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-12-04 09:39:55 +03:00
Paolo Bonzini
e0df8f18f7 bt: avoid unintended sign extension
In the case of a 4-byte length, shifting a value by 24 may cause
an unintended sign extension when converting from int to size_t.
Use a uint32_t variable instead.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-12-04 09:39:55 +03:00
John Snow
624533e5a5 util/id: fully allocate names table
Trivial: this array should be allocated to have ID_MAX entries always.
Otherwise if someone were to forget to expand this table, the assertion
in the id generator won't actually trigger; it will read junk data.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-12-04 09:39:55 +03:00
Markus Armbruster
ab8bf1d735 spapr_drc: Change value of property "fdt" from null back to {}
prop_get_fdt() misuses the visitor API: when fdt is null, it doesn't
visit anything.  object_property_get_qobject() happily
object_property_get_qobject().  Amazingly, the latter survives the
misuse.  Turns out we've papered over it long before prop_get_fdt()
existed, in commit 1d10b44.

However, commit 6c2f9a1 changed how we paper over it, and as a side
effect changed qom-get's value from {} to null.  Change it right back
by fixing the visitor misuse.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2015-12-04 16:50:59 +11:00
Markus Armbruster
c401ae8c9c spapr_drc: Make device "spapr-dr-connector" unavailable with -device
It should only be created via spapr_dr_connector_new().  Attempting to
create it with -device crashes.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2015-12-04 10:56:29 +11:00
Markus Armbruster
c75304a139 spapr_drc: Handle visitor errors properly
Since prop_get_fdt() is only used with QmpOutputVisitor, errors
shouldn't actually happen, so this is only a latent bug.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2015-12-04 10:56:29 +11:00
Cao jin
70ae0b6d0e qom: Update documentation comment of struct Object
It doesn't have "GSList *interfaces" anymore, drop the paragraph.

Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-12-03 20:10:22 +01:00
Andreas Färber
b5e62af8aa tests: Fix check-report-qtest-% target
Commit e253c28 ("tests: Fix how qom-test is run") introduced
$(qtest-generic-y) and used it for check-qtest-% target, but did not
update check-report-qtest-%. This causes check-report-qtest-aarch64.xml
target to fail with a gtester usage error for lack of test arguments.

Fix this by adding $(qtest-generic-y) in check-report-qtest-%.
Also add it in check-clean target, spotted by Markus.

Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-12-03 20:07:05 +01:00
Prasad J Pandit
4c65fed8bd ui: vnc: avoid floating point exception
While sending 'SetPixelFormat' messages to a VNC server,
the client could set the 'red-max', 'green-max' and 'blue-max'
values to be zero. This leads to a floating point exception in
write_png_palette while doing frame buffer updates.

Reported-by: Lian Yihan <lianyihan@360.cn>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-12-03 13:34:50 +00:00
Peter Maydell
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Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging

# gpg: Signature made Thu 03 Dec 2015 04:59:48 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:
  iotests: Add regresion test case for write notifier assertion failure
  iotests: Add "add_drive_raw" method
  block: Don't wait serialising for non-COR read requests
  iothread: include id in thread name

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-12-03 11:08:43 +00:00
Peter Maydell
eab0ebc7fe migration/next for 20151203
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Merge remote-tracking branch 'remotes/juanquintela/tags/migration/20151203' into staging

migration/next for 20151203

# gpg: Signature made Wed 02 Dec 2015 23:19:10 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/20151203:
  migration: do floating-point division
  migration: Clean up use of g_poll() in socket_writev_buffer()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-12-03 10:43:43 +00:00
Fam Zheng
9cc0f19de2 iotests: Add regresion test case for write notifier assertion failure
The idea is to let the top level bs have a big request alignment with
blkdebug, so that the aio_write request issued from monitor will be
serialised. This tests that QEMU doesn't crash upon the read request
from the backup job's write notifier, which is a very special case of
"reentrant" request.

Signed-off-by: Fam Zheng <famz@redhat.com>
Message-id: 1448962590-2842-4-git-send-email-famz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-12-03 11:08:07 +08:00
Fam Zheng
78b666f46b iotests: Add "add_drive_raw" method
This offers full manual control over the "-drive" options.

Signed-off-by: Fam Zheng <famz@redhat.com>
Message-id: 1448962590-2842-3-git-send-email-famz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-12-03 11:08:07 +08:00
Fam Zheng
61408b250e block: Don't wait serialising for non-COR read requests
The assertion problem was noticed in 06c3916b35, but it wasn't
completely fixed, because even though the req is not marked as
serialising, it still gets serialised by wait_serialising_requests
against other serialising requests, which could lead to the same
assertion failure.

Fix it by even more explicitly skipping the serialising for this
specific case.

Signed-off-by: Fam Zheng <famz@redhat.com>
Message-id: 1448962590-2842-2-git-send-email-famz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-12-03 11:08:07 +08:00
Paolo Bonzini
d21e8776f6 iothread: include id in thread name
This makes it easier to find the desired thread.  Use "IO" plus the id;
even with the 14 character limit on the thread name, enough of the id should
be readable (e.g. "IO iothreadNNN" with three characters for the number).

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-id: 1448372804-5034-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-12-03 11:08:01 +08:00
Peter Maydell
ec1b9aa89d virtio,vhost,mmap fixes for 2.5
vhost test patches to fix the travis build
 virtio ccw patch to fix virtio 1
 virtio pci patch to fix pci express
 vhost user bridge patch to fix fd leaks
 mmap-alloc patch to fix hugetlbfs on ppc64
 remove dead code for vhost (trivial)
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio,vhost,mmap fixes for 2.5

vhost test patches to fix the travis build
virtio ccw patch to fix virtio 1
virtio pci patch to fix pci express
vhost user bridge patch to fix fd leaks
mmap-alloc patch to fix hugetlbfs on ppc64
remove dead code for vhost (trivial)

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Wed 02 Dec 2015 20:38:41 GMT using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>"

* remotes/mst/tags/for_upstream:
  util/mmap-alloc: fix hugetlb support on ppc64
  virtio-pci: Set the QEMU_PCI_CAP_EXPRESS capability early in its DeviceClass realize method
  virtio: handle non-virtio-1-capable backend for ccw
  tests/vhost-user-bridge.c: fix fd leakage
  vhost: drop dead code
  vhost-user: verify that number of queues is non-zero
  vhost-user-test: fix crash with glib < 2.36
  vhost-user-test: use unix port for migration
  vhost-user-test: fix chardriver race

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-12-02 23:11:24 +00:00
Paolo Bonzini
a694ee343d migration: do floating-point division
Dividing integer expressions transferred_bytes and time_spent, and then converting
the integer quotient to type double. Any remainder, or fractional part of the
quotient, is ignored.  Fix this.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-12-03 00:03:00 +01:00
Markus Armbruster
4e39f57c00 migration: Clean up use of g_poll() in socket_writev_buffer()
socket_writev_buffer() writes in a loop, using g_poll() to block.  If
g_poll() fails, it tries to write more before the file descriptor is
ready.  In theory, this could go into a tight loop.  In practice,
errors other than EINTR are really unlikely, and when they happen,
we're probably screwed anyway, so we can just as well loop.

Clean it up a bit: retry poll on EINTR, keep ignoring other errors.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2015-12-03 00:03:00 +01:00
Michael S. Tsirkin
7197fb4058 util/mmap-alloc: fix hugetlb support on ppc64
Since commit 8561c9244d "exec: allocate PROT_NONE pages on top of
RAM", it is no longer possible to back guest RAM with hugepages on ppc64
hosts:

mmap(NULL, 285212672, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x3fff57000000
mmap(0x3fff57000000, 268435456, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED, 19, 0) = -1 EBUSY (Device or resource busy)

This is because on ppc64, Linux fixes a page size for a virtual address
at mmap time, so we can't switch a range of memory from anonymous
small pages to hugetlbs with MAP_FIXED.

See commit d0f13e3c20b6fb73ccb467bdca97fa7cf5a574cd
("[POWERPC] Introduce address space "slices"") in Linux
history for the details.

Detect this and create the PROT_NONE mapping using the same fd.

Naturally, this makes the guard page bigger with hugetlbfs.

Based on patch by Greg Kurz.

Acked-by: Rik van Riel <riel@redhat.com>
Reviewed-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Tested-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2015-12-02 22:38:23 +02:00
Shmulik Ladkani
0560b0e97d virtio-pci: Set the QEMU_PCI_CAP_EXPRESS capability early in its DeviceClass realize method
In 1811e64 'hw/virtio: Add PCIe capability to virtio devices', the
QEMU_PCI_CAP_EXPRESS capability was added to virtio's pci_dev, within
'virtio_pci_realize' - the pci device object realization method.

This occurs to late, as 'pci_qdev_realize' (DeviceClass.realize of
TYPE_PCI_DEVICE) has already been called, without knowing that the
device instance is indeed an "express" instance, thus allocating
insufficient pci config space.

As a result, device may crash upon attempt to write to the PCIE config
space.

Fix, by arming the QEMU_PCI_CAP_EXPRESS capability early in virtio-pci's
own DeviceClass realize method.

This also makes code cleaner, as 'virtio_pci_realize' may now access the
'pci_is_express' predicate when needed.

Signed-off-by: Shmulik Ladkani <shmulik.ladkani@ravellosystems.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Tested-by: Marcel Apfelbaum <marcel@redhat.com>
2015-12-02 21:51:33 +02:00
Cornelia Huck
11380b3619 virtio: handle non-virtio-1-capable backend for ccw
If you run a qemu advertising VERSION_1 with an old kernel where
vhost did not yet support VERSION_1, you'll end up with a device
that is {modern pci|ccw revision 1} but does not advertise VERSION_1.
This is not a sensible configuration and is rejected by the Linux
guest drivers.

To fix this, add a ->post_plugged() callback invoked after features
have been queried that can handle the VERSION_1 bit being withdrawn
and change ccw to fall back to revision 0 if VERSION_1 is gone.

Note that pci is _not_ fixed; we'll need to rethink the approach
for the next release but at least for pci it's not a regression.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2015-12-02 19:34:11 +02:00
Victor Kaplansky
6d0b908a62 tests/vhost-user-bridge.c: fix fd leakage
This fixes file descriptor leakage in vhost-user-bridge
application. Whenever a new callfd or kickfd is set, the previous
one should be explicitly closed. File descriptors used to map
guest's memory are closed immediately after mmap call.

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>
2015-12-02 19:27:26 +02:00
Peter Maydell
cf22132367 Block layer patches
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block layer patches

# gpg: Signature made Wed 02 Dec 2015 15:57:35 GMT using RSA key ID C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"

* remotes/kevin/tags/for-upstream:
  blkdebug: silence warning under qtest
  qcow2: Fix potential qemu-img check crash on 32 bit hosts

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-12-02 17:05:34 +00:00
Peter Maydell
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/cody/tags/block-pull-request' into staging

# gpg: Signature made Wed 02 Dec 2015 15:45:36 GMT using RSA key ID C0DE3057
# gpg: Good signature from "Jeffrey Cody <jcody@redhat.com>"
# gpg:                 aka "Jeffrey Cody <jeff@codyprime.org>"
# gpg:                 aka "Jeffrey Cody <codyprime@gmail.com>"

* remotes/cody/tags/block-pull-request:
  mirror: Quiesce source during "mirror_exit"

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-12-02 16:24:26 +00:00
Michael S. Tsirkin
b0ae1536c5 vhost: drop dead code
commit 1e7398a1 ("vhost: enable vhost without without MSI-X"_
dropped the implementation of vhost_dev_query,
drop it from the header file as well.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
2015-12-02 17:59:13 +02:00
Fam Zheng
176c36997f mirror: Quiesce source during "mirror_exit"
With dataplane, the ioeventfd events could be dispatched after
mirror_run releases the dirty bitmap, but before mirror_exit actually
does the device switch, because the iothread will still be running, and
it will cause silent data loss.

Fix this by adding a bdrv_drained_begin/end pair around the window, so
that no new external request will be handled.

Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Jeff Cody <jcody@redhat.com>
2015-12-02 10:44:06 -05:00
Peter Maydell
30a9fd5d13 * exec.c use after free
* Xen 32-on-64 breakage
 * missing EINTR
 * naughty warning under qtest
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* exec.c use after free
* Xen 32-on-64 breakage
* missing EINTR
* naughty warning under qtest

# gpg: Signature made Wed 02 Dec 2015 12:13:55 GMT using RSA key ID 78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"

* remotes/bonzini/tags/for-upstream:
  translate-all: ensure host page mask is always extended with 1's
  main-loop: suppress warnings under qtest
  qemu-char: retry g_poll on EINTR
  exec: Stop using memory after free

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-12-02 15:41:38 +00:00
Kevin Wolf
ab7fe3a29a One block patch for qemu 2.5-rc3.
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Merge remote-tracking branch 'mreitz/tags/pull-block-for-kevin-2015-12-02' into queue-block

One block patch for qemu 2.5-rc3.

# gpg: Signature made Wed Dec  2 16:29:17 2015 CET using RSA key ID E838ACAD
# gpg: Good signature from "Max Reitz <mreitz@redhat.com>"

* mreitz/tags/pull-block-for-kevin-2015-12-02:
  blkdebug: silence warning under qtest

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-12-02 16:38:03 +01:00
Michael S. Tsirkin
20873526a3 blkdebug: silence warning under qtest
make check always outputs warnings, this
is not nice.  Disable blkdebug warnings under qtest.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1448883874-17933-1-git-send-email-mst@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2015-12-02 16:28:10 +01:00
Victor Kaplansky
6f6f9512ea vhost-user: verify that number of queues is non-zero
Fix QEMU crash when -netdev type=vhost-user,queues=n is passed
with zero number of queues.

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>
Acked-by: Jason Wang <jasowang@redhat.com>
2015-12-02 16:42:27 +02:00
Marc-André Lureau
45ce512670 vhost-user-test: fix crash with glib < 2.36
The prepare callback needs to be implemented with glib < 2.36,
quoting glib documentation:
"Since 2.36 this may be NULL, in which case the effect is as if the
function always returns FALSE with a timeout of -1."

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2015-12-02 16:42:26 +02:00
Marc-André Lureau
a899b1ea2a vhost-user-test: use unix port for migration
TCP port 1234 may be used by another process concurrently. Instead use a
temporary unix socket.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2015-12-02 16:42:26 +02:00
Marc-André Lureau
9732baf678 vhost-user-test: fix chardriver race
vhost-user-tests uses a helper thread to dispatch the vhost-user servers
sources. However the CharDriverState is not thread-safe. Therefore, when
it's given to the thread, it shouldn't be manipulated concurrently.

We dispatch cleaning the server in an idle source. By the end of the
test, we ensure not to leave anything behind by joining the thread and
finishing the sources dispatch.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2015-12-02 16:42:26 +02:00
Kevin Wolf
c2551b47c9 qcow2: Fix potential qemu-img check crash on 32 bit hosts
This crash was caught with qemu-iotests test case 138.

Commit b6d36de already fixed a few 32 bit truncation bugs that could
cause qemu-img check to allocate too little memory and consequently
it would segfault. On 32 bit hosts, there is one more place that needs
to be fixed because size_t was involved in the calculation and is a
32 bit type there.

Cc: qemu-stable@nongnu.org
Reported-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Tested-by: Michael S. Tsirkin <mst@redhat.com>
2015-12-02 13:22:29 +01:00
Paolo Bonzini
0c2d70c448 translate-all: ensure host page mask is always extended with 1's
Anthony reported that >4GB guests on Xen with 32bit QEMU broke after
commit 4ed023c ("Round up RAMBlock sizes to host page sizes", 2015-11-05).

In that patch sizes are masked against qemu_host_page_size/mask which
are uintptr_t, and thus 32bit on a 32bit QEMU, even though the ram space
might be bigger than 4GB on Xen.

Since ram_addr_t is not available on user-mode emulation targets, ensure
that we get a sign extension when masking away the low bits of the address.
Remove the ~10 year old scary comment that the type of these variables
is probably wrong, with another equally scary comment.  The new comment
however does not have "???" in it, which is arguably an improvement.

For completeness use the alignment macros in linux-user and bsd-user
instead of manually doing an &.  linux-user and bsd-user are not affected
by the Xen issue, however.

Reviewed-by: Juan Quintela <quintela@redhat.com>
Reported-by: Anthony PERARD <anthony.perard@citrix.com>
Fixes: 4ed023ce2a
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-12-02 13:12:30 +01:00
Michael S. Tsirkin
21a24302e8 main-loop: suppress warnings under qtest
commit 01c22f2cdd ("main-loop: Suppress
"I/O thread spun" warnings for qtest") doesn't actually disable the
warning for everyone since some tests don't run under the qtest
accelerator.

Check qtest_driver instead.

Cc: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <1448882964-22433-1-git-send-email-mst@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-12-02 12:01:43 +01:00
Paolo Bonzini
c1f2448998 qemu-char: retry g_poll on EINTR
This is a case where pty_chr_update_read_handler_locked's lack
of error checking can produce incorrect values.  We are not using
SIGUSR1 anymore, so this is quite theoretical, but easy to fix.

Reported-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-12-02 12:01:43 +01:00
Don Slutz
55b4e80b04 exec: Stop using memory after free
memory_region_unref(mr) can free memory.

For example I got:

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7f43280d4700 (LWP 4462)]
0x00007f43323283c0 in phys_section_destroy (mr=0x7f43259468b0)
    at /home/don/xen/tools/qemu-xen-dir/exec.c:1023
1023        if (mr->subpage) {
(gdb) bt
    at /home/don/xen/tools/qemu-xen-dir/exec.c:1023
    at /home/don/xen/tools/qemu-xen-dir/exec.c:1034
    at /home/don/xen/tools/qemu-xen-dir/exec.c:2205
(gdb) p mr
$1 = (MemoryRegion *) 0x7f43259468b0

And this change prevents this.

Signed-off-by: Don Slutz <Don.Slutz@Gmail.com>
Message-Id: <1448921464-21845-1-git-send-email-Don.Slutz@Gmail.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-12-02 12:01:43 +01:00
Peter Maydell
9d7b969ea6 Last minute fix
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Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20151201' into staging

Last minute fix

# gpg: Signature made Tue 01 Dec 2015 22:37:25 GMT using RSA key ID 4DD0279B
# gpg: Good signature from "Richard Henderson <rth7680@gmail.com>"
# gpg:                 aka "Richard Henderson <rth@redhat.com>"
# gpg:                 aka "Richard Henderson <rth@twiddle.net>"

* remotes/rth/tags/pull-tcg-20151201:
  tcg: Increase the highwater reservation

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-12-02 10:16:53 +00:00
Richard Henderson
b17a6d3390 tcg: Increase the highwater reservation
If there are a lot of guest memory ops in the TB, the amount of
code generated by tcg_out_tb_finalize could be well more than 1k.
In the short term, increase the reservation larger than any TB
seen in practice.

Reported-by: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Tested-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-12-01 14:36:32 -08:00
Peter Maydell
8d3a5d9b0f ui/cocoa.m: Prevent activation clicks from going to guest
When QEMU is brought to the foreground, the click event that activates QEMU
should not go to the guest. Accidents happen when they do go to the guest
without giving the user a chance to handle them. In particular, if the
guest input device is not an absolute-position one then the location of
the guest cursor (and thus the click) will likely not be the location of
the host cursor when it is clicked, and could be completely obscured
below another window. Don't send mouse clicks to QEMU unless the
window either has focus or has grabbed mouse events.

Reported-by: John Arbuckle <programmingkidx@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: John Arbuckle <programmingkidx@gmail.com>
Message-id: 1448551168-13196-1-git-send-email-peter.maydell@linaro.org
2015-12-01 21:22:41 +00:00
Peter Maydell
e3d58827fe Last round of s390x fixes for 2.5:
- The bios should be built for the first z machine, so that newer
   instructions don't creep in.
 - Silence annoying message when running make check.
 - Fix a problem with the pci iommu exposed by recent changes.
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20151201' into staging

Last round of s390x fixes for 2.5:
- The bios should be built for the first z machine, so that newer
  instructions don't creep in.
- Silence annoying message when running make check.
- Fix a problem with the pci iommu exposed by recent changes.

# gpg: Signature made Tue 01 Dec 2015 08:59:42 GMT using RSA key ID C6F02FAF
# gpg: Good signature from "Cornelia Huck <huckc@linux.vnet.ibm.com>"
# gpg:                 aka "Cornelia Huck <cornelia.huck@de.ibm.com>"

* remotes/cohuck/tags/s390x-20151201:
  s390x/pci: fix up IOMMU size
  s390x: no deprecation warning while testing
  pc-bios/s390-ccw: rebuild image
  pc-bios/s390-ccw: build for z900

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-12-01 16:30:27 +00:00