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2014-02-27s390-ccw.img: new binary rom to match latest fixesChristian Borntraeger
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2014-02-27s390-ccw.img: Fix sporadic errors with ccw boot image - initialize cssChristian Borntraeger
We have to set the cssid to 0, otherwise the stsch code will return an operand exception without the m bit. In the same way we should set m=0. This case was triggered in some cases during reboot, if for some reason the location of blk_schid.cssid contains 1 and m was 0. Turns out that the qemu elf loader does not zero out the bss section on reboot. The symptom was an dump of the old kernel with several areas overwritten. The bootloader does not register a program check handler, so bios exception jumped back into the old kernel. Lets just use a local struct with a designed initializer. That will guarantee that all other subelements are initialized to 0. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2014-02-27s390-ccw.img: Fix sporadic reboot hangs: Initialize next_idxChristian Borntraeger
The current code does not initialize next_idx in the virtio ring. As the ccw bios will always use guest memory at a fixed location, this queue might != 0 after a reboot. Lets make the initialization explicit. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2014-02-27s390x/event-facility: exploit realize/unrealizeHeinz Graalfs
init/exit functionality of abstract SCLPEvent class is now exploiting realize/unrealize. Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2014-02-27s390x/event-facility: add support for live migrationHeinz Graalfs
Add support for live migration using VMStateDescription. Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2014-02-27s390x/event-facility: code restructureHeinz Graalfs
Code restructure in order to simplify class hierarchy - remove S390SCLPDevice abstract base class and move function pointers into new SCLPEventFacilityClass - implement SCLPEventFacility as SysBusDevice - use define constants for instance creation strings The following ascii-art shows the class structure wrt the SCLP EventFacility before (CURRENT) and after the restructure (NEW): ---- CURRENT: "s390-sclp-events-bus" +-------------------------+ | SCLPEventsBus | |-------------------------| |BusState qbus | +-------------------------+ +-------------------------+ | SCLPEventFacility | - to be replaced by new SCLPEventFacility, |-------------------------| which will be a SysBusDevice |SCLPEventsBus sbus | |DeviceState *qdev | |unsigned int receive_mask| +-------------------------+ +-------------------------+ | S390SCLPDeviceClass | - to be replaced by new SCLPEventFacilityClass |-------------------------| |DeviceClass qdev | |*(init)() | +-------------------------+ "s390-sclp-event-facility" | instance-of | V "s390-sclp-device" - this is an abstract class +-------------------------+ | S390SCLPDevice (A)| - to be replaced by new SCLPEventFacility |-------------------------| |SysBusDevice busdev | |SCLPEventFacility *ef | | | |*(sclp_command_handler)()| - these 2 go to new SCLPEventFacilityClass |*(event_pending)() | +-------------------------+ ---- NEW: "s390-sclp-events-bus" +-------------------------+ | SCLPEventsBus | |-------------------------| |BusState qbus | +-------------------------+ +-------------------------+ | SCLPEventFacilityClass | |-------------------------| |DeviceClass parent_class | | | |*(init)() | |*(command_handler)() | |*(event_pending)() | +-------------------------+ "s390-sclp-event-facility" +-------------------------+ | SCLPEventFacility | |-------------------------| |SysBusDevice parent_class| |SCLPEventsBus sbus | |unsigned int receive_mask| +-------------------------+ Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2014-02-27s390x/event-facility: some renamingHeinz Graalfs
Do some renaming to shorten some identifiers and to emphasize sclp. Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com> Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2014-02-27s390x/sclp: Fixed setting of condition code registerThomas Huth
In the SCLP handler function, the condition code register must only be set if no exception occured. Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2014-02-27s390x/sclp: Add missing checks to SCLP handlerThomas Huth
If the 51 most significant bits of the SCCB address are zero or equal to the prefix, we should throw an specification exception, too. Also moved the check for privileged mode to sclp_service_call() to have all program checks in one place now. Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2014-02-27s390x/sclp: Fixed the size of sccb and code parameterThomas Huth
The pointer to the SCCB should not be limited to 32 bits only. In contrast to this, the command word parameter is only 32 bits (the upper 32 bits should be ignored). Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2014-02-27s390x/eventfacility: mask out commandsChristian Borntraeger
As a followup to commit 5f04c14a10fa7f259bc0808f35a0beda49f7821e (s390-sclp: Define New SCLP Codes) we should mask the sclp command not only in base sclp, but also in the event facility. Based on an initial patch from Ralf Hoppe. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2014-02-27s390x/virtio-hcall: Specification exception for illegal subcodesThomas Huth
So far, the DIAG 500 hypervisor call was only setting -EINVAL in R2 when a guest tried to call this function with an illegal subcode. This patch now changes the behavior so that a specification exception is thrown instead, since this is the common behavior of other DIAG functions (and other CPU instructions) when being called with illegal parameters. Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2014-02-27s390x/virtio-hcall: Add range check for hypervisor callThomas Huth
The handler for diag 500 did not check whether the requested function was in the supported range, so illegal values could crash QEMU in the worst case. Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> CC: qemu-stable@nongnu.org
2014-02-27s390x/kvm: Fixed bad SIGP SET-ARCHITECTURE handlerThomas Huth
The SET-ARCHITECTURE handler in QEMU caused a program interruption. This is wrong according to the "Principles of Operations" specification (since SIGP should never cause a program interrupt) and was likely only introduced for debugging purposes. Since we handle SET-ARCHITECTURE in the kernel already and only dropped to user space in case of bad mode parameters, we should just report INVALID PARAMETER in QEMU instead. Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2014-02-27s390x/async_pf: Check for apf extension and enable pfaultDominik Dingel
S390 can also use async page faults, to enhance guest scheduling. In case of live migration we want to disable the feature and let all pending request finish. Signed-off-by: Dominik Dingel <dingel@linux.vnet.ibm.com> Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2014-02-27s390x/kvm: implement floating-interrupt controller deviceJens Freimann
This patch implements a floating-interrupt controller device (flic) which interacts with the s390 flic kvm_device. Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2014-02-27update linux headers to kvm/nextChristian Borntraeger
This updates the kvm headers to commit d3714010c307d26df251c45be9cd12ab6d41f0c4 KVM: x86: emulator_cmpxchg_emulated should mark_page_dirty in kvm/next. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2014-02-26xilinx: Delete hw/include/xilinx.hPeter Crosthwaite
This is now obsolete - remove the header and all its inclusions. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-26xilinx: Inline usages of xilinx_axi*_init()Peter Crosthwaite
Inline the only usage of each of xilinx_axiethernet_init and xilinx_axidma_init. Converts this init to at least a semi-recent QOM styling. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-26xilinx: Inline usage of xilinx_ethlite_create()Peter Crosthwaite
Inline the only usage. Converts this init to at least a semi-recent QOM styling. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-26xilinx: Inline usages of xilinx_timer_create()Peter Crosthwaite
Inline these usages. Converts these init to at least a semi-recent QOM styling. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-26xilinx: Inline usages of xilinx_intc_create()Peter Crosthwaite
Inline these usages. Converts these init to at least a semi-recent QOM styling. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-26microblaze/ml605: Define macros for irq/memory mapsPeter Crosthwaite
Define (missing) macros for the interrupt and memory maps for the sake of self documentation. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-26ppc/virtex_ml507: Define macros for irq/memory mapsPeter Crosthwaite
Define macros for the interrupt and memory maps for the sake of self documentation. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-26microblaze/s3adsp_1800: Define macros for irq mapPeter Crosthwaite
Define macros for the interrupt map for the sake of self documentation. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-25modules: do not include gmodule-2.0 in static buildsPaolo Bonzini
gmodule-2.0's pkg-config files include -Wl,--export-dynamic, which breaks static builds. It is a glib bug, but we need to support --static builds for the linux-user targets, and in the end all that is needed to fix this is: * outlaw --enable-modules --static, which makes little sense anyway * only include gmodule-2.0's cflags and ldflags if --enable-modules is specified on the command line. Reported-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1393346215-5636-1-git-send-email-pbonzini@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-25Merge remote-tracking branch 'remotes/spice/tags/pull-spice-3' into stagingPeter Maydell
qxl: add sanity check # gpg: Signature made Mon 24 Feb 2014 12:01:27 GMT using RSA key ID D3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" * remotes/spice/tags/pull-spice-3: qxl: add sanity check Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-25Merge remote-tracking branch 'remotes/mdroth/qga-pull-2014-02-24' into stagingPeter Maydell
* remotes/mdroth/qga-pull-2014-02-24: qemu-ga: isa-serial support on Windows qga: Fix memory allocation pasto qga: Don't require 'time' argument in guest-set-time command qga: vss-win32: Fix interference with snapshot deletion by other VSS request qga: vss-win32: Fix interference with snapshot creation by other VSS requesters qga: vss-win32: Use NULL as an invalid pointer for OpenEvent and CreateEvent Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-25Merge remote-tracking branch 'remotes/xtensa/tags/20140224-xtensa' into stagingPeter Maydell
Xtensa fixes and improvements queue 2014-02-24: - add support for ML605 and KC705 FPGA boards; - flush opencores_eth queue when new RX descriptor is available; - add basic checks to cache opcodes; - make core configuration available to tests; - implement HW config ID special registers. # gpg: Signature made Mon 24 Feb 2014 00:52:42 GMT using RSA key ID F83FA044 # gpg: Good signature from "Max Filippov <max.filippov@cogentembedded.com>" # gpg: aka "Max Filippov <jcmvbkbc@gmail.com>" * remotes/xtensa/tags/20140224-xtensa: target-xtensa: provide HW confg ID registers target-xtensa: refactor standard core configuration target-xtensa: add basic tests for cache opcodes target-xtensa: allow using core configuration in tests target-xtensa: add overridable test_init macro target-xtensa: add basic checks to icache opcodes target-xtensa: add basic checks to dcache opcodes target-xtensa: add RRRI4 opcode format fields opencores_eth: flush queue whenever can_receive can go from false to true hw/xtensa: add support for ML605 and KC705 FPGA board Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-25Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into stagingPeter Maydell
Block patches # gpg: Signature made Fri 21 Feb 2014 21:42:24 GMT using RSA key ID C88F2FD6 # gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" * remotes/kevin/tags/for-upstream: (54 commits) iotests: Mixed quorum child device specifications quorum: Simplify quorum_open() quorum: Add unit test. quorum: Add quorum_open() and quorum_close(). quorum: Implement recursive .bdrv_recurse_is_first_non_filter in quorum. quorum: Add quorum_co_flush(). quorum: Add quorum_invalidate_cache(). quorum: Add quorum_getlength(). quorum: Add quorum mechanism. quorum: Add quorum_aio_readv. blkverify: Extract qemu_iovec_clone() and qemu_iovec_compare() from blkverify. quorum: Add quorum_aio_writev and its dependencies. quorum: Create BDRVQuorumState and BlkDriver and do init. quorum: Create quorum.c, add QuorumChildRequest and QuorumAIOCB. check-qdict: Test termination of qdict_array_split() check-qdict: Adjust test for qdict_array_split() qdict: Extract non-QDicts in qdict_array_split() qemu-config: Sections must consist of keys qemu-iotests: Check qemu-img command line parsing qemu-img: Allow -o help with incomplete argument list ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-24Merge remote-tracking branch 'remotes/sstabellini/xen-140220' into stagingPeter Maydell
* remotes/sstabellini/xen-140220: xen_disk: fix io accounting Call pci_piix3_xen_ide_unplug from unplug_disks Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-24Merge remote-tracking branch 'remotes/bonzini/configure' into stagingPeter Maydell
* remotes/bonzini/configure: build: softmmu targets do not have a "main.o" file configure: Disable libtool if -fPIE does not work with it (bug #1257099) block: convert block drivers linked with libs to modules Makefile: introduce common-obj-m and block-obj-m for DSO Makefile: install modules with "make install" module: implement module loading rules.mak: introduce DSO rules darwin: do not use -mdynamic-no-pic block: use per-object cflags and libs rules.mak: allow per object cflags and libs rules.mak: fix $(obj) to a real relative path util: Split out exec_dir from os_find_datadir Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-24configure: check that C++ compiler actually worksPeter Maydell
Check that the C++ compiler works with the C compiler; if it does not, then don't pass CXX to the build process. This fixes a regression where QEMU was no longer building if the build environment didn't have a C++ compiler (introduced in commit 3144f78b, which incorrectly assumed that rules.mak would only see a non-empty $(CXX) if configure had actually found a working C++ compiler). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reported-by: Alexey Kardashevskiy <aik@ozlabs.ru> Reported-by: Thomas Huth <thuth@linux.vnet.ibm.com> Tested-by: Thomas Huth <thuth@linux.vnet.ibm.com> Tested-by: Alexey Kardashevskiy <aik@ozlabs.ru> Message-id: 1392909016-14028-1-git-send-email-peter.maydell@linaro.org
2014-02-24qxl: add sanity checkGerd Hoffmann
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com>
2014-02-24target-xtensa: provide HW confg ID registersMax Filippov
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2014-02-24target-xtensa: refactor standard core configurationMax Filippov
Coalesce all standard configuration sections into single DEFAULT_SECTIONS macro for all cores. This allows to add new features in a single place: overlay_tool.h Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2014-02-24target-xtensa: add basic tests for cache opcodesMax Filippov
Test that non-locking prefetch operations don't cause exceptions on missing TLB and that other 'hit' cache operations do. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2014-02-24target-xtensa: allow using core configuration in testsMax Filippov
Add path to the core configuration directory to test build command and replace .include asm directive with #include to enable preprocessing. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2014-02-24target-xtensa: add overridable test_init macroMax Filippov
Some test suites, like MMU, need per-test initialization. Don't make them redefine test macro, add test_init for that purpose. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2014-02-24target-xtensa: add basic checks to icache opcodesMax Filippov
Check privilege level for privileged instructions (IHU, III, IIU and IPFL are privileged), memory accessibility for instructions that reference memory (IH* and IPFL) and windowed register validity for all instruction cache instructions. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2014-02-24target-xtensa: add basic checks to dcache opcodesMax Filippov
Check privilege level for privileged instructions (DHI, DHU, DII, DIU, DIWB, DIWBI, DPFL are privileged), memory accessibility for instructions that reference memory (all DH* and DPFL) and windowed register validity for all data cache instructions. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2014-02-24target-xtensa: add RRRI4 opcode format fieldsMax Filippov
This encoding is used by cache instructions. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2014-02-24opencores_eth: flush queue whenever can_receive can go from false to trueMax Filippov
The following registers control whether MAC can receive frames: - MODER.RXEN bit that enables/disables receiver; - TX_BD_NUM register that specifies number of RX descriptors. Notify QEMU networking core when the MAC is ready to receive frames. Discard frame and raise BUSY interrupt when the frame arrives but the current RX descriptor is not empty. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2014-02-24hw/xtensa: add support for ML605 and KC705 FPGA boardMax Filippov
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Reviewed-by: Andreas Färber <afaerber@suse.de>
2014-02-23qemu-ga: isa-serial support on WindowsMiki Mishael
Add support for isa-serial method for qemu-ga on Windows, Added -p command line parameter for serial port name specification, e.g. "-p COM15". Signed-off-by: Miki Mishael <mmishael@redhat.com> Signed-off-by: Dmitry Fleytman <dfleytma@redhat.com> *added default isa-serial path to help output Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2014-02-23qga: Fix memory allocation pastoMarkus Armbruster
qmp_guest_file_seek() allocates memory for a GuestFileRead object instead of the GuestFileSeek object it actually uses. Harmless, because the GuestFileRead is slightly larger. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2014-02-23qga: Don't require 'time' argument in guest-set-time commandMichal Privoznik
As the description to the guest-set-time states, the command is there to ease time synchronization after resume. If guest was suspended for longer period of time, its system time can go off so badly, that even NTP refuses to set it. That's why the command was invented: to give users chance to set the time (not necessarily 100% correct). However, there's is no real need for us to require users to pass an arbitrary time. Especially if we can read the correct value from RTC (boiling down to reading host's time). Hence this commit enables logic: guest-set-time() == guest-set-time($now_from_rtc) Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2014-02-23qga: vss-win32: Fix interference with snapshot deletion by other VSS requestTomoki Sekiyama
When a VSS requester such as vshadow.exe or diskshadow.exe requests to delete snapshots, qemu-ga VSS provider's DeleteSnapshots() is also called and returns E_NOTIMPL, that makes the deletion fail. To avoid this issue, return S_OK and set values that represent no snapshots are deleted by qemu-ga VSS provider. Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama@hds.com> Reviewed-by: Gal Hammer <ghammer@redhat.com> Reviewed-by: Yan Vugenfirer <yvugenfi@redhat.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2014-02-23qga: vss-win32: Fix interference with snapshot creation by other VSS requestersTomoki Sekiyama
When a VSS requester such as vshadow.exe or diskshadow.exe requests to create disk snapshots, Windows may choose qemu-ga VSS provider if it is only provider registered on the system. However, because it provides only a function to freeze the filesystem, the snapshotting fails. This patch adds a check into CQGAVssProvider::IsVolumeSupported() to reject the request from other VSS requesters, so that the other provider is chosen. The check of requester is done by confirming event channels between qemu-ga's requester and provider established. To ensure that the events are initialized when CQGAVssProvider::IsVolumeSupported() is called, it moves the initialization earlier. Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama@hds.com> Reviewed-by: Gal Hammer <ghammer@redhat.com> Reviewed-by: Yan Vugenfirer <yvugenfi@redhat.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2014-02-23qga: vss-win32: Use NULL as an invalid pointer for OpenEvent and CreateEventTomoki Sekiyama
OpenEvent and CreateEvent WinAPI return NULL when failed to open/create events handles, instead of INVALID_HANDLE_VALUE (although their return types are HANDLE). This replaces INVALID_HANDLE_VALUE related to event handles with NULL. Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama@hds.com> Reviewed-by: Gal Hammer <ghammer@redhat.com> Reviewed-by: Yan Vugenfirer <yvugenfi@redhat.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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