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2015-08-13pc: Move {above,below}_4g_mem_size variables to PCMachineStateEduardo Habkost
This will make the info readily available for the other initialization functions, and will allow us to simplify their argument list. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2015-08-13pc: Use PCMachineState for pc_memory_init() argumentEduardo Habkost
pc_memory_init() already expects a PCMachineState object, there's no point in upcasting it to MachineState before calling the function. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2015-08-13pc: Use PCMachineState for pc_cmos_init() argumentEduardo Habkost
pc_cmos_init() already expects a PCMachineState object, there's no point in upcasting it to MachineState before calling the function. While doing it, reorder the arguments so PCMachineState is the first function argument. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2015-08-13pc: Eliminate pc_default_machine_options()Eduardo Habkost
The only PC machines that didn't call pc_default_machine_options() were isaps and xenfv. Both were already overwriting max_cpus, and only isapc was not overwriting hot_add_cpu. After making isapc set hot_add_cpu to NULL, we can move the pc_default_machine_options() code the PC common class_init. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2015-08-13pc: Eliminate pc_common_machine_options()Eduardo Habkost
All TYPE_PC_MACHINE subclasses call pc_common_machine_options(). TYPE_PC_MACHINE can simply initialize the common options on class_init directly. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2015-08-13pc: Rename pc_machine variables to pcmsEduardo Habkost
Make the code use the same variable name everywhere. "pcms" is already being used in existing code and it's shorter. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2015-08-13pc: Use error_abort when registering propertiesEduardo Habkost
No errors should happen when registering the properties, but we shouldn't silently ignore them if they happen. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2015-08-13pc: Use PC_COMPAT_* for CPUID feature compatibilityEduardo Habkost
Now we can use compat_props to keep CPUID feature compatibility, using the boolean QOM properties for CPUID feature flags. This simplifies the compatibility code, and reduces duplication between pc_piix.c and pc_q35.c. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2015-08-13piix: Document coreboot-specific RAM size config registerEduardo Habkost
The existing i440fx initialization code sets a PCI config register that isn't documented anywhere in the Intel 440FX datasheet. Register 0x57 is DRAMC (DRAM Control) and has nothing to do with the RAM size. This was implemented in commit ec5f92ce6ac8ec09056be77e03c941be188648fa because old coreboot code tried to read registers 0x5a-0x5f,0x56,0x57 to get the RAM size from QEMU, but I couldn't find out why coreboot did that. I assume it was a mistake, and the original code was supposed to be reading the DRB[0-7] registers (offsets 0x60-0x67). Document that coreboot-specific register offset in a macro and a comment, for future reference. Cc: Ed Swierk <eswierk@skyportsystems.com> Cc: Richard Smith <smithbone@gmail.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2015-08-13make: load only required dependency files.Victor Kaplansky
The old rules.mak loads dependency .d files using include directive with file glob pattern "*.d". This breaks the build when build tree has left-over *.d files from another build. This patch fixes this by - loading precise list of .d files made from *.o and *.mo. - specifying explicit list of required dependency info files for *.hex autogenerated sources. Note that Makefile still includes some .d in root directory by including "*.d". 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>
2015-08-13make: fix where dependency *.d are stored.Victor Kaplansky
In rules like "bar/%.o: %.c" there is a difference between $(*D) and $(@D). $(*D) expands to '.', while $(@D) expands to 'bar'. It is cleaner to generate *.d in the same directory where appropriate *.o resides. This allows precise including of dependency info from .d files. As a hack, we also touch two sources for generated *.hex files. Without this hack, anyone doing "git pull; make" will not get *.hex rebuilt correctly since the dependency file would be missing. 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>
2015-08-13i.MX: Fix UART driver to work with unitialized "chardev" deviceJean-Christophe Dubois
The "chardev" property initialization might have failed (for example because there are not enough chardevs provided by QEMU). The serial device emulator needs to be able to work with an uninitialized (NULL) chardev device pointer. This patch adds some missing tests on the chr pointer value before using it. Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Message-id: 1438342461-18967-1-git-send-email-jcd@tribudubois.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-08-13hw/cpu/a15mpcore: Wire up hyp and secure physical timer interruptsPeter Maydell
Since we now support both the hypervisor and the secure physical timer, wire their interrupt lines up in the a15mpcore wrapper object. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1437047249-2357-5-git-send-email-peter.maydell@linaro.org Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2015-08-13hw/arm/virt: Wire up secure timer interruptPeter Maydell
Wire up the secure timer interrupt. Since we've defined that the plain old physical timer is the NS timer, we can drop the now-out-of-date comment about QEMU not having TZ. Use a data-driven loop to wire up the timer interrupts, since we now have four of them and the code is the same for each. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1437047249-2357-4-git-send-email-peter.maydell@linaro.org Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2015-08-13Introduce gic_class_name() instead of repeating conditionPavel Fedin
This small inline returns correct GIC class name depending on whether we use KVM acceleration or not. Avoids duplicating the condition everywhere. Signed-off-by: Pavel Fedin <p.fedin@samsung.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 4f26901be9b844b563673ce3ad08eeedbb7a7132.1438758065.git.p.fedin@samsung.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-08-13hw/arm/gic: Kill code duplicationPavel Fedin
Extracted duplicated initialization code from SW-emulated and KVM GIC implementations and put into gic_init_irqs_and_mmio() Signed-off-by: Pavel Fedin <p.fedin@samsung.com> Message-id: 8ea5b2781ef39cb5989420987fc73c70e377687d.1438758065.git.p.fedin@samsung.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-08-13i.MX: Fix Coding style for GPT emulatorJean-Christophe Dubois
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net> Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com> Message-id: cc7d1589e774e87c346b75a6c25e07957f436ced.1437080501.git.jcd@tribudubois.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-08-13i.MX: Split GPT emulator in a header file and a source fileJean-Christophe Dubois
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Message-id: e32fba56b9dae3cc7c83726550514b2d0c890ae0.1437080501.git.jcd@tribudubois.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-08-13i.MX: Fix Coding style for EPIT emulatorJean-Christophe Dubois
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net> Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com> Message-id: d8d70683c6a48ac318c1635595619cfb0eb31681.1437080501.git.jcd@tribudubois.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-08-13i.MX: Split EPIT emulator in a header file and a source fileJean-Christophe Dubois
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Message-id: 948927cab0c85da9a753c5f6d5501323d5604c8e.1437080501.git.jcd@tribudubois.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-08-13i.MX: Fix Coding style for CCM emulatorJean-Christophe Dubois
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net> Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com> Message-id: ff0b6720b1c55204e663f07be47c0203f6871084.1437080501.git.jcd@tribudubois.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-08-13i.MX: Split CCM emulator in a header file and a source fileJean-Christophe Dubois
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Message-id: b1d6f990229b2608bbaba24f4ff359571c0b07da.1437080501.git.jcd@tribudubois.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-08-13i.MX: Fix Coding style for AVIC emulator.Jean-Christophe Dubois
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net> Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com> Message-id: 01e1d9026220992405819f25640ebd5bb843fc93.1437080501.git.jcd@tribudubois.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-08-13i.MX: Split AVIC emulator in a header file and a source fileJean-Christophe Dubois
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Message-id: 06829257e845d693be05c7d491134313c1615d1a.1437080501.git.jcd@tribudubois.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-08-13i.MX:Fix Coding style for UART emulator.Jean-Christophe Dubois
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net> Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com> Message-id: 23ab872b7cd30b1399384fb26a2ebb75e9761d7b.1437080501.git.jcd@tribudubois.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-08-13i.MX: Move serial initialization to init/realize of DeviceClass.Jean-Christophe Dubois
Move constructor to DeviceClass methods * imx_serial_init * imx_serial_realize imx32_serial_properties is renamed to imx_serial_properties. Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net> Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com> Message-id: 6854bd75e2b5af312e04e760587e249dbaff807f.1437080501.git.jcd@tribudubois.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-08-13i.MX: Split UART emulator in a header file and a source fileJean-Christophe Dubois
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Message-id: a51ef50fa222a614169056d5389a6d3ed6a63b04.1437080501.git.jcd@tribudubois.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-08-13hw/arm/virt: Connect the Hypervisor timerEdgar E. Iglesias
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 1436791864-4582-8-git-send-email-edgar.iglesias@gmail.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-08-13hw/arm/virt: Replace magic IRQ constants with macrosEdgar E. Iglesias
Replace magic constants with macros from hw/arm/virt.h and hw/intc/arm_gic_common.h. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 1436791864-4582-7-git-send-email-edgar.iglesias@gmail.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-08-05virtio: fix 1.0 virtqueue migrationJason Wang
1.0 does not requires physically-contiguous pages layout for a virtqueue. So we could not infer avail and used from desc. This means we need to migrate vring.avail and vring.used when host support virtio 1.0. This fixes malfunction of virtio 1.0 device after migration. Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Cornelia Huck <cornelia.huck@de.ibm.com> Cc: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2015-08-04net/vmxnet3: Fix incorrect debug messageDana Rubin
From: Dana Rubin <dana.rubin@ravellosystems.com> In commit 80da311d81, "net/vmxnet3: Fix RX TCP/UDP checksum on partially summed packets" a debug message was introduced in vmxnet3_rx_need_csum_calculate() for an unlikely input condition. The message accidentally printed 'len' variable instead of 'pkt_len'. Fix, providing the correct argument. Signed-off-by: Dana Rubin <dana.rubin@ravellosystems.com> Signed-off-by: Shmulik Ladkani <shmulik.ladkani@ravellosystems.com> Message-id: 1438109090-18957-1-git-send-email-shmulik.ladkani@ravellosystems.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-08-03Fix release_drive on unplugged devices (pci_piix3_xen_ide_unplug)Stefano Stabellini
pci_piix3_xen_ide_unplug should completely unhook the unplugged IDEDevice from the corresponding BlockBackend, otherwise the next call to release_drive will try to detach the drive again. Suggested-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
2015-08-03Merge remote-tracking branch ↵Peter Maydell
'remotes/stefanha/tags/rtl8139-cplus-tx-input-validation-pull-request' into staging Pull request # gpg: Signature made Mon Aug 3 13:08:25 2015 BST using RSA key ID 81AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" * remotes/stefanha/tags/rtl8139-cplus-tx-input-validation-pull-request: rtl8139: check TCP Data Offset field (CVE-2015-5165) rtl8139: skip offload on short TCP header (CVE-2015-5165) rtl8139: check IP Total Length field (CVE-2015-5165) rtl8139: check IP Header Length field (CVE-2015-5165) rtl8139: skip offload on short Ethernet/IP header (CVE-2015-5165) rtl8139: drop tautologous if (ip) {...} statement (CVE-2015-5165) rtl8139: avoid nested ifs in IP header parsing (CVE-2015-5165) Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-08-03rtl8139: check TCP Data Offset field (CVE-2015-5165)Stefan Hajnoczi
The TCP Data Offset field contains the length of the header. Make sure it is valid and does not exceed the IP data length. Reported-by: 朱东海(启路) <donghai.zdh@alibaba-inc.com> Reviewed-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-08-03rtl8139: skip offload on short TCP header (CVE-2015-5165)Stefan Hajnoczi
TCP Large Segment Offload accesses the TCP header in the packet. If the packet is too short we must not attempt to access header fields: tcp_header *p_tcp_hdr = (tcp_header*)(eth_payload_data + hlen); int tcp_hlen = TCP_HEADER_DATA_OFFSET(p_tcp_hdr); Reported-by: 朱东海(启路) <donghai.zdh@alibaba-inc.com> Reviewed-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-08-03rtl8139: check IP Total Length field (CVE-2015-5165)Stefan Hajnoczi
The IP Total Length field includes the IP header and data. Make sure it is valid and does not exceed the Ethernet payload size. Reported-by: 朱东海(启路) <donghai.zdh@alibaba-inc.com> Reviewed-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-08-03rtl8139: check IP Header Length field (CVE-2015-5165)Stefan Hajnoczi
The IP Header Length field was only checked in the IP checksum case, but is used in other cases too. Reported-by: 朱东海(启路) <donghai.zdh@alibaba-inc.com> Reviewed-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-08-03rtl8139: skip offload on short Ethernet/IP header (CVE-2015-5165)Stefan Hajnoczi
Transmit offload features access Ethernet and IP headers the packet. If the packet is too short we must not attempt to access header fields: int proto = be16_to_cpu(*(uint16_t *)(saved_buffer + 12)); ... eth_payload_data = saved_buffer + ETH_HLEN; ... ip = (ip_header*)eth_payload_data; if (IP_HEADER_VERSION(ip) != IP_HEADER_VERSION_4) { Reported-by: 朱东海(启路) <donghai.zdh@alibaba-inc.com> Reviewed-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-08-03rtl8139: drop tautologous if (ip) {...} statement (CVE-2015-5165)Stefan Hajnoczi
The previous patch stopped using the ip pointer as an indicator that the IP header is present. When we reach the if (ip) {...} statement we know ip is always non-NULL. Remove the if statement to reduce nesting. Reported-by: 朱东海(启路) <donghai.zdh@alibaba-inc.com> Reviewed-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-08-03rtl8139: avoid nested ifs in IP header parsing (CVE-2015-5165)Stefan Hajnoczi
Transmit offload needs to parse packet headers. If header fields have unexpected values the offload processing is skipped. The code currently uses nested ifs because there is relatively little input validation. The next patches will add missing input validation and a goto label is more appropriate to avoid deep if statement nesting. Reported-by: 朱东海(启路) <donghai.zdh@alibaba-inc.com> Reviewed-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-07-31ahci: fix ICC mask definitionJohn Snow
There are likely others that could be updated, but we'll go with a light touch for 2.4 for now. Without the Unsigned specifier, this shifts bits into the signed bit, which makes clang unhappy and could cause unwanted behavior. Reported-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 1437501721-24495-1-git-send-email-jsnow@redhat.com
2015-07-31macio: re-add TRIM supportAurelien Jarno
Commit bd4214fc dropped TRIM support by mistake. Given it is still advertised to the host when using a drive with discard=on, this cause the IDE bus to hang when the host issues a TRIM command. This patch fixes that by re-adding the TRIM code, ported to the new new DMA implementation. Cc: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Cc: John Snow <jsnow@redhat.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> Message-id: 1438198068-32428-1-git-send-email-aurelien@aurel32.net Signed-off-by: John Snow <jsnow@redhat.com>
2015-07-30vhost/scsi: call vhost_dev_cleanup() at unrealize() timeIgor Mammedov
vhost-scsi calls vhost_dev_init() at realize() time but forgets to call it's counterpart vhost_dev_cleanup() at unrealize() time. Calling it should fix leaking of memory table and mem_sections table in vhost device. And also unregister vhost's memory listerner to prevent access from memory core to freed memory. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Message-Id: <1438262999-287627-1-git-send-email-imammedo@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-07-30scsi-disk: Fix assertion failure on WRITE SAMEFam Zheng
The last portion of an unaligned WRITE SAME command could fail the assertion in bdrv_aligned_pwritev: assert(!qiov || bytes == qiov->size); Because we updated data->iov.iov_len right above this if block, but data->qiov still has the old size. Reinitialize the qiov to make them equal and keep block layer happy. Cc: qemu-stable@nongnu.org Signed-off-by: Fam Zheng <famz@redhat.com> Message-Id: <1438159512-3871-2-git-send-email-famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-07-30scsi-disk: fix cmd.mode field typoStefan Hajnoczi
The cmd.xfer field is the data length. The cmd.mode field is the data transfer direction. scsi_handle_rw_error() was using the wrong error policy for read requests. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <1438262173-11546-3-git-send-email-stefanha@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-07-30virtio-scsi: use virtqueue_map_sg() when loading requestsStefan Hajnoczi
The VirtQueueElement struct is serialized during migration but the in_sg[]/out_sg[] iovec arrays are not usable on the destination host because the pointers are meaningless. Use virtqueue_map_sg() to refresh in_sg[]/out_sg[] to valid pointers based on in_addr[]/out_addr[] hwaddrs. Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <1438262173-11546-2-git-send-email-stefanha@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-07-29virtio-blk-dataplane: delete bottom half before the AioContext is freedPaolo Bonzini
Other uses of aio_bh_new are safe as long as all scheduled bottom halves are run before an iothread is destroyed, which bdrv_drain will ensure: - archipelago_finish_aiocb: BH deletes itself - inject_error: BH deletes itself - blkverify_aio_bh: BH deletes itself - abort_aio_request: BH deletes itself - curl_aio_readv: BH deletes itself - gluster_finish_aiocb: BH deletes itself - bdrv_aio_rw_vector: BH deletes itself - bdrv_co_maybe_schedule_bh: BH deletes itself - iscsi_schedule_bh, iscsi_co_generic_cb: BH deletes itself - laio_attach_aio_context: deleted in laio_detach_aio_context, called through bdrv_detach_aio_context before deleting the iothread - nfs_co_generic_cb: BH deletes itself - null_aio_common: BH deletes itself - qed_aio_complete: BH deletes itself - rbd_finish_aiocb: BH deletes itself - dma_blk_cb: BH deletes itself - virtio_blk_dma_restart_cb: BH deletes itself - qemu_bh_new: main loop AioContext is never destroyed - test-aio.c: bh_delete_cb deletes itself, otherwise deleted in the same function that calls aio_bh_new Reported-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1438101249-25166-2-git-send-email-pbonzini@redhat.com Message-Id: <1438086628-13000-1-git-send-email-pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-07-28Merge remote-tracking branch 'remotes/stefanha/tags/net-pull-request' into ↵Peter Maydell
staging Pull request These two .can_receive() are now reviewed. The net subsystem queue for 2.4 is now empty. # gpg: Signature made Tue Jul 28 13:26:03 2015 BST using RSA key ID 81AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" * remotes/stefanha/tags/net-pull-request: xen: Drop net_rx_ok hw/net: handle flow control in mcf_fec driver receiver Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-07-28Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into stagingPeter Maydell
virtio fixes for 2.4 Mostly virtio 1 spec compliance fixes. We are unlikely to make it perfectly compliant in the first release, but it seems worth it to try. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Mon Jul 27 21:55:48 2015 BST 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: virtio: minor cleanup acpi: fix pvpanic device is not shown in ui virtio-blk: only clear VIRTIO_F_ANY_LAYOUT for legacy device virtio-blk: fail get_features when both scsi and 1.0 were set virtio: get_features() can fail virtio-pci: fix memory MR cleanup for modern virtio: set any_layout in virtio core virtio-9p: fix any_layout virtio-serial: fix ANY_LAYOUT virtio: hide legacy features from modern guests Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-07-28Merge remote-tracking branch 'remotes/lalrae/tags/mips-20150728' into stagingPeter Maydell
MIPS patches 2015-07-28 Changes: * net/dp8393x fixes * Vectored Interrupts bug fix * fix for a bug in machine.c which was provoking a warning on FreeBSD # gpg: Signature made Tue Jul 28 10:47:19 2015 BST using RSA key ID 0B29DA6B # gpg: Good signature from "Leon Alrae <leon.alrae@imgtec.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: 8DD3 2F98 5495 9D66 35D4 4FC0 5211 8E3C 0B29 DA6B * remotes/lalrae/tags/mips-20150728: net/dp8393x: do not use memory_region_init_rom_device with NULL net/dp8393x: remove check of runt packets net/dp8393x: disable user creation target-mips: fix offset calculation for Interrupts target-mips: fix passing incompatible pointer type in machine.c Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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