| Commit message (Collapse) | Author | Age | Files | Lines |
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Without this change, when using -Wl,--as-needed with GNU linker, the
libraries would be discarded.
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* upstream/stable-0.15:
Update version to 0.15.0
qcow2: Fix L1 table size after bdrv_snapshot_goto
Revert "floppy: save and restore DIR register"
alpha-softmmu: Disable for the 0.15 release branch.
vhost build fix for i386
guest agent: add --enable-guest-agent config option
user: Restore debug usage message for '-d ?' in user mode emulation
lm32: softusb: claim to support full speed
Makefile: add missing deps on $(GENERATED_HEADERS)
Update version to 0.15.0-rc2
Conflicts:
VERSION
Signed-off-by: Avi Kivity <avi@redhat.com>
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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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When loading an internal snapshot whose L1 table is smaller than the current L1
table, the size of the current L1 would be shrunk to the snapshot's L1 size in
memory, but not on disk. This lead to incorrect refcount updates and eventuelly
to image corruption.
Instead of writing the new L1 size to disk, this simply retains the bigger L1
size that is currently in use and makes sure that the unused part is zeroed.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Tested-by: Philipp Hahn <hahn@univention.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
(cherry picked from commit 35d7ace74bd07e3d6983c1fd7cbfab4e11175689)
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This reverts commit 7d905f716bea633f2836e1d661387983aacdc6d6.
The use of subsections by this commit are broken because of a fundamental
limitations of subsections in the current protocol.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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The system emulation code was not merged before the branch.
Let's leave that work for the next release.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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vhost.c uses __sync_fetch_and_and(), which is only
available for -march=i486 and above (see
https://bugzilla.redhat.com/show_bug.cgi?id=624279).
Signed-off-by: Wolfgang Mauerer <wolfgang.mauerer@siemens.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
(cherry picked from commit 023367e6cd41199521613674b44e9c703c8be1a1)
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QAPI will require glib/python, but for now the guest agent is the only
user. For now, make these dependencies an explicit guest agent one, and
give users the option to disable it if need be.
Once QAPI is adopted in core QEMU code, we would basically revert this
patch.
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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The code which prints the debug usage message on '-d ?' for *-user
has to come before the check for "not enough arguments", so that
"qemu-foo -d ?" prints the list of possible debug log items rather than
the generic usage message. (This was inadvertently broken in commit
c235d73.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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The QEMU keyboard and mouse reports themselves as full speed devices,
though they are actually low speed devices. Until this is fixed, claim that
we are supporting full speed devices.
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
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This fixes a build issue with make -j6+ due to qapi-generated files
being built before $(GENERATED_HEADERS) have been created.
Tested-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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The default accelerator is hardcoded to 'kvm'. This is a fine
default for qemu-kvm normally, but if the user built with
./configure --disable-kvm, then the resulting binaries will
not work by default
* vl.c: Default to 'tcg' unless CONFIG_KVM is defined
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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Signed-off-by: Avi Kivity <avi@redhat.com>
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* upstream/stable-0.15: (24 commits)
Bump version to 0.15.0-rc1
virtio-balloon: Unregister savevm section on device unplug
virtio-balloon: Add exit handler, fix memleaks
balloon: Reject negative balloon values
virtio-balloon: Check if balloon registration failed
balloon: Don't allow multiple balloon handler registrations
target-arm: UNDEF on a VCVTT/VCVTB UNPREDICTABLE to avoid TCG assert
target-arm: Handle UNDEF and UNPREDICTABLE cases for VLDM, VSTM
target-arm: Support v6 barriers in linux-user mode
target-arm: Mark 1136r1 as a v6K core
virtio-balloon: Fix header comment; add Copyright
balloon: Fix header comment; add Copyright
balloon: Separate out stat and balloon handling
virtio-balloon: Separate status handling into separate function
balloon: Simplify code flow
balloon: Add braces around if statements
balloon: Make functions, local vars static
Let users select their pythons
simpletrace: suppress a warning from unused variable
Wrap recv to avoid warnings
...
Signed-off-by: Avi Kivity <avi@redhat.com>
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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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git://git.linaro.org/people/pmaydell/qemu-arm
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VCVTT/VCVTB with bit 8 set is UNPREDICTABLE; we choose to UNDEF.
This avoids a TCG assert later when the VCVTT/VCVTB code tries to
use a source register that wasn't ever set up.
We pull the check for the presence of the half-precision extension
up in to this common code as well.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Handle the UNDEF and UNPREDICTABLE cases for VLDM and VSTM. In
particular, we now generate an undef exception for overlarge imm8
values rather than generating 1000+ TCG ops and hitting an assertion.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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ARMv6 implemented various operations as special cases of cp15 accesses
which are true instructions in v7; this includes barriers (DMB, DSB, ISB).
Catch this special case at translate time, so that it works in linux-user
mode (which doesn't provide a functional get_cp15 helper) as well as
system mode.
Includes minor cleanup of the existing cases (single switch statement,
and doing the "OK in user mode?" test explicitly rather than hiding it in
cp15_user_ok()).
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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The 1136r1 is actually a v6K core (unlike the 1136r0); mark it as such,
thus enabling the TLS registers, NOP hints, CLREX, half and byte wide
exclusive load/stores, etc.
The VA-to-PA translation registers are not present on 1136r1, so
introduce a new feature flag for them, which is enabled on
11MPCore and all v7 cores.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Migrating after unplugging a virtio-balloon device resulted in an error
message on the destination:
Unknown savevm section or instance '0000:00:04.0/virtio-balloon' 0
load of migration failed
Fix this by unregistering the section on device unplug.
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
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Add an exit handler that will free up RAM after a virtio-balloon device
is unplugged.
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
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Negative balloon values don't make sense, reject them and throw a qerror
with QERR_INVALID_PARAMETER_VALUE.
Reported-by: Mike Cao <bcao@redhat.com>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
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Multiple balloon registrations are not allowed; check if the
registration with the qemu balloon api succeeded. If not, fail the
device init.
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
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Multiple balloon devices don't make sense; disallow more than one
registration attempt to register handlers.
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
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Signed-off-by: Amit Shah <amit.shah@redhat.com>
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Signed-off-by: Amit Shah <amit.shah@redhat.com>
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Passing on '0' as ballooning target to indicate retrieval of stats is
bad API. It also makes 'balloon 0' in the monitor cause a segfault.
Have two different functions handle the different functionality instead.
Detailed explanation from Markus's review:
1. do_info_balloon() is an info_async() method. It receives a callback
with argument, to be called exactly once (callback frees the
argument). It passes the callback via qemu_balloon_status() and
indirectly through qemu_balloon_event to virtio_balloon_to_target().
virtio_balloon_to_target() executes its balloon stats half. It
stores the callback in the device state.
If it can't send a stats request, it resets stats and calls the
callback right away.
Else, it sends a stats request. The device model runs the callback
when it receives the answer.
Works.
2. do_balloon() is a cmd_async() method. It receives a callback with
argument, to be called when the command completes. do_balloon()
calls it right before it succeeds. Odd, but should work.
Nevertheless, it passes the callback on via qemu_ballon() and
indirectly through qemu_balloon_event to virtio_balloon_to_target().
a. If the argument is non-zero, virtio_balloon_to_target() executes
its balloon half, which doesn't use the callback in any way.
Odd, but works.
b. If the argument is zero, virtio_balloon_to_target() executes its
balloon stats half, just like in 1. It either calls the callback
right away, or arranges for it to be called later.
Thus, the callback runs twice: use after free and double free.
Test case: start with -S -device virtio-balloon, execute "balloon 0" in
human monitor. Runs the callback first from virtio_balloon_to_target(),
then again from do_balloon().
Reported-by: Mike Cao <bcao@redhat.com>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
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Separate out the code to retrieve balloon info from the code that sets
balloon values.
This will be used to separate the two callbacks from balloon.c and help
cope with 'balloon 0' on the monitor. Currently, 'balloon 0' causes a
segfault in monitor_resume().
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
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Replace:
if (foo) {
...
} else {
return 0;
}
by
if (!foo) {
return 0;
}
...
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
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Signed-off-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
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balloon.h had function declarations for a couple of functions that are
local to balloon.c. Make them static.
Drop the 'qemu_' prefix for balloon.c-local variables, and make them
static.
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
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Add configure check for python, exit if not found. Add switches
for specifying the path to python, use the path in Makefile.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Avoid this warning:
CC simpletrace.o
/src/qemu/simpletrace.c: In function 'writeout_thread':
/src/qemu/simpletrace.c:122:12: error: variable 'unused' set but not used [-Werror=unused-but-set-variable]
by adding GCC attribute unused to the variable.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Avoid warnings like these by wrapping recv():
CC slirp/ip_icmp.o
/src/qemu/slirp/ip_icmp.c: In function 'icmp_receive':
/src/qemu/slirp/ip_icmp.c:418:5: error: passing argument 2 of 'recv' from incompatible pointer type [-Werror]
/usr/local/lib/gcc/i686-mingw32msvc/4.6.0/../../../../i686-mingw32msvc/include/winsock2.h:547:32: note: expected 'char *' but argument is of type 'struct icmp *'
Remove also casts used to avoid warnings.
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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6e1db57b2ac9025c2443c665a0d9e78748637b26 didn't
convert brlapi or win32 chrdevs, breaking build for those.
Fix by converting the chrdevs.
Acked-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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As far as I can tell, there isn't a dependency on gthread. Also, the only use
of gio was to enable GSocket to accept a unix domain socket.
Since GSocket isn't available on OpenSuSE 11.1, let's just remove that
dependency.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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* upstream-merge: (118 commits)
Bump version to reflect v0.15.0-rc0
Correct spelling of licensed
Register Linux dyntick timer as per-thread signal
mc146818rtc: Handle host clock resets
qemu-timer: Introduce clock reset notifier
notifier: Pass data argument to callback
ide: Turn properties any IDE device must have into bus properties
virtio-serial: Turn props any virtio-serial-bus device must have into bus props
virtio-serial: Clean up virtser_bus_dev_print() output
usb-ccid: Drop unused CCIDCardInfo callback print()
Remove unused USES_X509_AUTH macro from VNC sasl code
Introduce a 'client_add' monitor command accepting an open FD
Store VNC auth scheme per-client as well as per-server
do not reset no_shutdown after we shutdown the vm
vl.c: Don't limit node count by smp count
vga: Fix type of lfb/map_addr/end.
qemu-char: Print strerror message on failure
qemu-timer: change unix timer to dynticks
iothread: replace fair_mutex with a condition variable
report serial devices created with -device in the PIIX4 config space
...
Signed-off-by: Avi Kivity <avi@redhat.com>
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* commit 'v0.15.0-rc0':
Bump version to reflect v0.15.0-rc0
Correct spelling of licensed
Register Linux dyntick timer as per-thread signal
mc146818rtc: Handle host clock resets
qemu-timer: Introduce clock reset notifier
notifier: Pass data argument to callback
ide: Turn properties any IDE device must have into bus properties
virtio-serial: Turn props any virtio-serial-bus device must have into bus props
virtio-serial: Clean up virtser_bus_dev_print() output
usb-ccid: Drop unused CCIDCardInfo callback print()
Remove unused USES_X509_AUTH macro from VNC sasl code
Introduce a 'client_add' monitor command accepting an open FD
Store VNC auth scheme per-client as well as per-server
do not reset no_shutdown after we shutdown the vm
vl.c: Don't limit node count by smp count
vga: Fix type of lfb/map_addr/end.
qemu-char: Print strerror message on failure
qemu-timer: change unix timer to dynticks
iothread: replace fair_mutex with a condition variable
multiboot: Support commas in module parameters
Signed-off-by: Avi Kivity <avi@redhat.com>
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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Correct typos of "licenced" to "licensed".
Reviewed-by: Stefan Weil <weil@mail.berlios.de>
Reviewed-by: Andreas F=E4rber <andreas.faerber@web.de>
Signed-off-by: Matthew Fernandez <matthew.fernandez@gmail.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Derived from kvm-tool patch
http://thread.gmane.org/gmane.comp.emulators.kvm.devel/74309
Ingo Molnar pointed out that sending the timer signal to the whole
process, just blocking it everywhere, is suboptimal with an increasing
number of threads. QEMU is also using this pattern so far.
Linux provides a (non-portable) way to restrict the signal to a single
thread: We can use SIGEV_THREAD_ID unless we are forced to emulate
signalfd via an additional thread. That case could theoretically be
optimized as well, but it doesn't look worth bothering.
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Make use of the new clock reset notifier to update the RTC whenever
rtc_clock is the host clock and that happens to jump backward. This
avoids that the RTC stalls for the period the host clock was set back.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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QEMU_CLOCK_HOST is based on the system time which may jump backward in
case the admin or NTP adjusts it. RTC emulations and other device models
can suffer in this case as timers will stall for the period the clock
was tuned back.
This adds a detection mechanism that checks on every host clock readout
if the new time is before the last result. If that is the case a
notifier list is informed. Device models interested in this event can
register a notifier with the clock.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This allows to pass additional information to the notifier callback
which is useful if sender and receiver do not share any other distinct
data structure.
Will be used first for the clock reset notifier.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Diego Elio Pettenò
Avi Kivity
Anthony Liguori
Kevin Wolf
Richard Henderson
Wolfgang Mauerer
Michael Roth
Peter Maydell
Michael Walle
Daniel P. Berrange
Justin M. Forbes
Amit Shah
Blue Swirl
Matthew Fernandez
Jan Kiszka
Markus Armbruster
GitWeb