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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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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
- 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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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>
Present code uses @size==UINT64_MAX to initialize IOMMU. It infers that it
can map any 64-bit IOVA whatsoever. But in fact, the largest DMA range for
each PCI Device on s390x is from ZPCI_SDMA_ADDR to ZPCI_EDMA_ADDR. The largest
value is returned from hardware, which is to indicate the largest range
hardware can support. But the real IOMMU size for specific PCI Device is
obtained once qemu intercepts mpcifc instruction that guest is requesting a
DMA range for that PCI Device. Therefore, before intercepting mpcifc instruction,
qemu cannot be aware of the size of IOMMU region that guest will use.
Moreover, iommu replay during device initialization for the whole region in
4k steps takes a very long time.
In conclusion, this patch intializes IOMMU region for each PCI Device when
intercept mpcifc instruction which is to register DMA range for the PCI Device.
And then, destroy IOMMU region when guest wants to deregister IOAT.
Signed-off-by: Yi Min Zhao <zyimin@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
'make check' tries to start all available machines; the deprecation
message for the s390-virtio machine is both useless and annoying
there. Silence it while testing.
Reported-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Newer distributions have an architecture level set to z9, z196
or similar - also as default option for the compiler.
We should build the bios for z900 to allow it to run with
all 64bit CPUs. This will become more important as soon as
QEMU/KVM does support CPU models.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Reviewed-By: Sascha Silbe <silbe@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
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Merge remote-tracking branch 'remotes/gkurz/tags/for-upstream' into staging
Two fixes for virtfs/9p from Paolo.
# gpg: Signature made Mon 30 Nov 2015 14:10:47 GMT using DSA key ID 0101DBC2
# gpg: Good signature from "Greg Kurz <gkurz@fr.ibm.com>"
# 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 "Gregory Kurz (Cimai Technology) <gkurz@cimai.com>"
# gpg: aka "Gregory Kurz (Meiosys Technology) <gkurz@meiosys.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: 2BD4 3B44 535E C0A7 9894 DBA2 02FC 3AEB 0101 DBC2
* remotes/gkurz/tags/for-upstream:
virtio-9p: use QEMU thread pool
fsdev-proxy-helper: avoid TOC/TOU race
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
target-ppc and related bugfix patches for qemu-2.5
I don't have the facilities to test the Macintosh and BookE related
patches. I've sanity checked them (inspection + make check), but I'm
otherwise relying on the submitters.
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.5-20151130' into staging
ppc patch queue for qemu-2.5 20151130
target-ppc and related bugfix patches for qemu-2.5
I don't have the facilities to test the Macintosh and BookE related
patches. I've sanity checked them (inspection + make check), but I'm
otherwise relying on the submitters.
# gpg: Signature made Mon 30 Nov 2015 08:42:01 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-2.5-20151130:
target-ppc/fpu_helper: fix FPSCR_FX bit shift operation
target-ppc: Move the FPSCR bit update macros to cpu.h
hw/ppc/ppc405_boards: Fix infinite recursion by converting taihu_cpld from old_mmio
hw/ppc/spapr: Remove duplicated "pseries" alias
mac_dbdma: always initialize channel field in DBDMA_channel
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Merge remote-tracking branch 'remotes/weil/tags/pull-wxx-20151130' into staging
wxx patch queue
# gpg: Signature made Mon 30 Nov 2015 05:48:33 GMT using RSA key ID 677450AD
# gpg: Good signature from "Stefan Weil <sw@weilnetz.de>"
# gpg: aka "Stefan Weil <stefan.weil@weilnetz.de>"
# gpg: aka "Stefan Weil <stefan.weil@bib.uni-mannheim.de>"
# 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: 4923 6FEA 75C9 5D69 8EC2 B78A E08C 21D5 6774 50AD
* remotes/weil/tags/pull-wxx-20151130:
w32: Use gcc option -mthreads
oslib-win32: Change return type of function getpagesize
trace/simple: Fix warning and wrong trace file name for MinGW
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The QEMU thread pool already has a mechanism to invoke callbacks in the main
thread. It does not need an EventNotifier and it is more efficient too.
Use it instead of GAsyncQueue + GThreadPool + glue.
As a side effect, it silences Coverity's complaint about an unchecked
return value for event_notifier_init.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
(removed no more needed #include <glib.h> from virtio-9p-coth.h)
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
There is a minor time of check/time of use race between statfs and chroot.
It can be fixed easily by stat-ing the root after it has been changed.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Currently in TCG mode, updating floating exception
summary bit (FPSCR_FX) in fpscr also updates
the upper 32bits of fpscr with all 1s.
Modify the bit shift operation statement to use
1ULL instead.
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Move the FPSCR bit update macros defined in dfp_helper
to cpu.h. This way, fpu_helper functions can also use them
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The taihu_cpld_writel() function had an obvious typo that meant that
if it was ever called it would go into an infinite recursion. Newer
versions of clang will detect and warn about this:
hw/ppc/ppc405_boards.c:481:1: warning: all paths through this function will call itself [-Winfinite-recursion]
Fix this by converting taihu_cpld from the legacy old_mmio accessors
to new-style ones, with an impl {} declaration to cause the core
memory code to do the splitting of 16 bit and 32 bit accesses into
multiple 8-bit accesses.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The "pseries" alias is currently set twice, one time for the
pseries-2.4 machine and one time for the "pseries-2.5" machine.
To avoid confusion with the alias, let's remove the one from
the older machine class. And while we're at it, also remove
the "is_default = 0" there since the is_default variable
should be set to zero by default already.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
dbdma_from_ch() uses channel field to return the right DBDMA object.
Previous code was working if guest OS was only using registered DMA channels.
However, it lead to QEMU crashes if guest OS was using unregistered DMA channels.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
QEMU uses threads / coroutines, therefore support for thread local storage
and thread safe libraries (-D_MT) must be enabled by using -mthreads.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
getpagesize on Linux returns an int. Fix QEMU's implementation for
Windows to return an int (instead of size_t), too.
This fixes a compiler warning which was introduced recently
(commit 093e3c42).
Signed-off-by: Stefan Weil <sw@weilnetz.de>
On Windows, getpid() always returns an int value, but pid_t (which is
expected by the format string) is either a 32 bit or a 64 bit value.
Without a type cast (or a modified format string), the compiler prints
a warning when building for 64 bit Windows and the resulting trace_file_name
will include a wrong pid:
trace/simple.c:332:9: warning:
format ‘%lld’ expects argument of type ‘long long int’,
but argument 2 has type ‘int’ [-Wformat=]
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Version: GnuPG v1
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Merge remote-tracking branch 'remotes/jasowang/tags/net-pull-request' into staging
# gpg: Signature made Fri 27 Nov 2015 02:42:02 GMT using RSA key ID 398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>"
# 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: 215D 46F4 8246 689E C77F 3562 EF04 965B 398D 6211
* remotes/jasowang/tags/net-pull-request:
tap-win32: disable broken async write path
tap-win32: skip unexpected nodes during registry enumeration
eepro100: Prevent two endless loops
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The code under the TUN_ASYNCHRONOUS_WRITES path makes two incorrect
assumptions about the behaviour of the WriteFile API for overlapped
file handles. First, WriteFile does not update the
lpNumberOfBytesWritten parameter when the write completes
asynchronously (the number of bytes written is known only when the
operation completes). Second, the buffer shouldn't be touched (or
freed) until the operation completes. This led to at least one bug
where tap_win32_write returned zero bytes written, which in turn
caused further writes ("receives") to be disabled for that device.
This change disables the asynchronous write path, while keeping most
of the code around in case someone sees value in resurrecting it. It
also adds some conditional debug output, similar to the read path.
Signed-off-by: Andrew Baumann <Andrew.Baumann@microsoft.com>
Acked-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Jason Wang <jasowang@redhat.com>
In order to find a named tap device, get_device_guid() enumerates children of
HKLM\SYSTEM\CCS\Control\Network\{4D36E972-E325-11CE-BFC1-08002BE10318}
(aka NETWORK_CONNECTIONS_KEY). For each child, it then looks for a
"Connection" subkey, but if this key doesn't exist, it aborts the
entire search. This was observed to fail on at least one Windows 10
machine, where there is an additional child of NETWORK_CONNECTIONS_KEY
(named "Descriptions"). Since registry enumeration doesn't guarantee
any particular sort order, we should continue to search for matching
children rather than aborting the search.
Signed-off-by: Andrew Baumann <Andrew.Baumann@microsoft.com>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Jason Wang <jasowang@redhat.com>
http://lists.nongnu.org/archive/html/qemu-devel/2015-11/msg04592.html
shows an example how an endless loop in function action_command can
be achieved.
During my code review, I noticed a 2nd case which can result in an
endless loop.
Reported-by: Qinghao Tang <luodalongde@gmail.com>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Minor vhost fixes. HW version tweak for PC.
Documentation and test updates.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
vhost, pc: fixes for 2.5
Minor vhost fixes. HW version tweak for PC.
Documentation and test updates.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Thu 26 Nov 2015 16:40:25 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:
vhost-user-test: fix migration overlap test
Fix memory leak on error
Revert "vhost: send SET_VRING_ENABLE at start/stop"
tests/vhost-user-bridge: read command line arguments
tests/vhost-user-bridge: propose GUEST_ANNOUNCE feature
vhost-user: clarify start and enable
vhost-user: set link down when the char device is closed
pc: Don't set hw_version on pc-*-2.5
osdep: Change default value of qemu_hw_version() to "2.5+"
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
During migration, source does GET_BASE, destination does SET_BASE.
Use that as opposed to fds being configured to detect
vhost user running on both source and destination.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/armbru/tags/pull-monitor-2015-11-26' into staging
QMP and QObject patches
# gpg: Signature made Thu 26 Nov 2015 09:07:18 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-monitor-2015-11-26:
qjson: Limit number of tokens in addition to total size
qjson: surprise, allocating 6 QObjects per token is expensive
qjson: store tokens in a GQueue
qjson: Convert to parser to recursive descent
qjson: replace QString in JSONLexer with GString
qjson: Inline token_is_escape() and simplify
qjson: Inline token_is_keyword() and simplify
qjson: Give each of the six structural chars its own token type
qjson: Spell out some silent assumptions
check-qjson: Add test for JSON nesting depth limit
qjson: Don't crash when input exceeds nesting limit
qjson: Apply nesting limit more sanely
monitor: Plug memory leak on QMP error
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
Small patches, without the one that introduces -fwrapv.
# gpg: Signature made Thu 26 Nov 2015 15:48:53 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:
target-i386: kvm: Print warning when clearing mcg_cap bits
target-i386: kvm: Use env->mcg_cap when setting up MCE
target-i386: kvm: Abort if MCE bank count is not supported by host
virtio-scsi: don't crash without a valid device
target-sparc: fix 32-bit truncation in fpackfix
exec: remove warning about mempath and hugetlbfs
Revert "exec: silence hugetlbfs warning under qtest"
call bdrv_drain_all() even if the vm is stopped
MAINTAINERS: Update TCG CPU cores section
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Instead of silently clearing mcg_cap bits when the host doesn't
support them, print a warning when doing that.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
[Avoid \n at end of error_report. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1448471956-66873-10-git-send-email-pbonzini@redhat.com>
When setting up MCE, instead of using the MCE_*_DEF macros
directly, just filter the existing env->mcg_cap value.
As env->mcg_cap is already initialized as
MCE_CAP_DEF|MCE_BANKS_DEF at target-i386/cpu.c:mce_init(), this
doesn't change any behavior. But it will allow us to change
mce_init() in the future, to implement different defaults
depending on CPU model, machine-type or command-line parameters.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1448471956-66873-9-git-send-email-pbonzini@redhat.com>
Instead of silently changing the number of banks in mcg_cap based
on kvm_get_mce_cap_supported(), abort initialization if the host
doesn't support MCE_BANKS_DEF banks.
Note that MCE_BANKS_DEF was always 10 since it was introduced in
QEMU, and Linux always returned 32 at KVM_CAP_MCE since
KVM_CAP_MCE was introduced, so no behavior is being changed and
the error can't be triggered by any Linux version. The point of
the new check is to ensure we won't silently change the bank
count if we change MCE_BANKS_DEF or make the bank count
configurable in the future.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
[Avoid Yoda condition and \n at end of error_report. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1448471956-66873-8-git-send-email-pbonzini@redhat.com>
Make sure that we actually have a device when checking the aio
context. Otherwise guests could trigger QEMU crashes.
Signed-off-by: "Eugene (jno) Dvurechenski" <jno@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Message-Id: <1448549135-6582-2-git-send-email-jno@linux.vnet.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This is reported by Coverity. The algorithm description at
ftp://ftp.icm.edu.pl/packages/ggi/doc/hw/sparc/Sparc.pdf suggests
that the 32-bit parts of rs2, after the left shift, is treated
as a 64-bit integer. Bits 32 and above are used to do the
saturating truncation.
Message-Id: <1446473134-4330-1-git-send-email-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The gethugepagesize() method in exec.c printed a warning if
the file path for "-mem-path" or "-object memory-backend-file"
was not on a hugetlbfs filesystem. This warning is bogus, because
QEMU functions perfectly well with the path on a regular tmpfs
filesystem. Use of hugetlbfs vs tmpfs is a choice for the management
application or end user to make as best fits their needs. As such it
is inappropriate for QEMU to have an opinion on whether the user's
choice is right or wrong in this case.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-Id: <1448448749-1332-3-git-send-email-berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This reverts commit 1c7ba94a18.
That commit changed QEMU initialization order from
- object-initial, chardev, qtest, object-late
to
- chardev, qtest, object-initial, object-late
This breaks chardev setups which need to rely on objects
having been created. For example, when chardevs use TLS
encryption in the future, they need to have tls credential
objects created first.
This revert, restores the ordering introduced in
commit f08f9271bf
Author: Daniel P. Berrange <berrange@redhat.com>
Date: Wed May 13 17:14:04 2015 +0100
vl: Create (most) objects before creating chardev backends
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-Id: <1448448749-1332-2-git-send-email-berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
There are still I/O operations when the vm is stopped. For example,
stop the vm, and do block migration. In this case, we don't drain all
I/O operation, and may meet the following problem:
qemu-system-x86_64: migration/block.c:731: block_save_complete: Assertion `block_mig_state.submitted == 0' failed.
Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Message-Id: <564EE92E.4070701@cn.fujitsu.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
hw/ppc/spapr.c: Fix memory leak on error, it was introduced in bc09e0611
hw/acpi/memory_hotplug.c: Fix memory leak on error, it was introduced in 34f2af3d
Signed-off-by: Stefano Dong (董兴水) <opensource.dxs@aliyun.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
