preserve-emulation/xemu: Original Xbox Emulator for Windows, macOS, and Linux (Active Development) - xemu

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Stefan Hajnoczi cd7fdfe59f dataplane: avoid reentrancy during virtio_blk_data_plane_stop()

When dataplane is stopping, the s->vdev->binding->set_host_notifier(...,
false) call can invoke the virtqueue handler if an ioeventfd
notification is pending.  This causes hw/virtio-blk.c to invoke
virtio_blk_data_plane_start() before virtio_blk_data_plane_stop()
returns!

The result is that we try to restart dataplane while trying to stop it
and the following assertion is raised:

  msix_set_mask_notifier: Assertion `!dev->msix_mask_notifier' failed.

Although the code was intended to prevent this scenario, the s->started
boolean isn't enough.  Add s->stopping so that we can postpone clearing
s->started until we've completely stopped dataplane.

This way, virtqueue handler calls during virtio_blk_data_plane_stop()
are ignored.  When dataplane is legitimately started again later we
already self-kick ourselves to resume processing.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

2013-01-18 16:57:59 +01:00

audio

audio: Replace non-portable asprintf in debug code by g_strdup_printf

2013-01-16 12:03:26 -06:00

backends

Make all static TypeInfos const

2013-01-10 15:11:53 -06:00

block

win32-aio: use iov utility functions instead of open-coding them

2013-01-18 09:57:51 +01:00

bsd-user

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

default-configs

Add TEWS TPCI200 IndustryPack emulation

2013-01-14 13:26:12 -06:00

disas

target-s390: Fix disassembly of cpsdr

2013-01-05 12:00:00 -08:00

docs

Merge remote-tracking branch 'mst/tags/for_anthony' into staging

2013-01-14 10:23:50 -06:00

fpu

softfloat: Implement uint64_to_float128

2013-01-05 10:12:50 +00:00

fsdev

qemu-option: move standard option definitions out of qemu-config.c

2013-01-12 17:17:53 +01:00

gdb-xml

…

dataplane: avoid reentrancy during virtio_blk_data_plane_stop()

2013-01-18 16:57:59 +01:00

include

aio: Fix return value of aio_poll()

2013-01-17 10:51:42 +01:00

ldscripts

build: create ldscripts/

2012-12-19 08:29:06 +01:00

libcacard

build: fold trace-obj-y into libqemuutil.a

2013-01-12 18:42:51 +01:00

linux-headers

kvm: Update kernel headers

2013-01-07 17:37:11 +01:00

linux-user

Merge branch 'ppc-for-upstream' of git://repo.or.cz/qemu/agraf

2013-01-12 12:47:02 +00:00

net

qemu-option: move standard option definitions out of qemu-config.c

2013-01-12 17:17:53 +01:00

pc-bios

Update seabios to a810e4e72a0d42c7bc04eda57382f8e019add901

2012-12-20 08:19:40 +01:00

pixman @ 97336fad32

qapi: move include files to include/qobject/

2012-12-19 08:31:31 +01:00

qapi

build: move base QAPI files to libqemuutil.a

2013-01-12 18:42:51 +01:00

qga

Merge remote-tracking branch 'mdroth/qga-pull-1-14-2013-2' into staging

2013-01-15 16:50:04 -06:00

QMP

qmp: add pull_event function

2012-10-24 10:26:22 +02:00

qobject

build: move qobject files to qobject/ and libqemuutil.a

2013-01-12 18:42:50 +01:00

qom

qom: Make object_resolve_path_component() path argument const

2013-01-15 10:54:23 +01:00

roms

Update seabios to a810e4e72a0d42c7bc04eda57382f8e019add901

2012-12-20 08:19:40 +01:00

scripts

Merge branch 'ppc-for-upstream' of git://repo.or.cz/qemu/agraf

2013-01-12 12:47:02 +00:00

slirp

slirp: remove unused field tt

2013-01-12 12:26:16 +00:00

stubs

stubs: fully replace qemu-tool.c and qemu-user.c

2013-01-12 17:19:08 +01:00

sysconfigs/target

Eliminate cpus-x86_64.conf file

2012-09-21 15:12:58 +02:00

target-alpha

cpu: Move cpu_index field to CPUState

2013-01-15 04:09:13 +01:00

target-arm

cpu: Move cpu_index field to CPUState

2013-01-15 04:09:13 +01:00

target-cris

cpu: Move cpu_index field to CPUState

2013-01-15 04:09:13 +01:00

target-i386

target-i386: Use switch in check_hw_breakpoints()

2013-01-15 09:23:50 +01:00

target-lm32

cpu: Move cpu_index field to CPUState

2013-01-15 04:09:13 +01:00

target-m68k

cpu: Move cpu_index field to CPUState

2013-01-15 04:09:13 +01:00

target-microblaze

cpu: Move cpu_index field to CPUState

2013-01-15 04:09:13 +01:00

target-mips

exec: Return CPUState from qemu_get_cpu()

2013-01-15 04:09:14 +01:00

target-openrisc

cpu: Move cpu_index field to CPUState

2013-01-15 04:09:13 +01:00

target-ppc

cpu: Move cpu_index field to CPUState

2013-01-15 04:09:13 +01:00

target-s390x

cpu: Move cpu_index field to CPUState

2013-01-15 04:09:13 +01:00

target-sh4

cpu: Move cpu_index field to CPUState

2013-01-15 04:09:13 +01:00

target-sparc

cpu: Move cpu_index field to CPUState

2013-01-15 04:09:13 +01:00

target-unicore32

configure: allow disabling pixman if not needed

2012-12-23 14:38:52 -06:00

target-xtensa

target-xtensa: fix search_pc for the last TB opcode

2012-12-22 12:09:24 +00:00

tcg

tcg-i386: use LEA for 3-operand 64-bit addition

2013-01-12 12:45:56 +00:00

tests

aio: Fix return value of aio_poll()

2013-01-17 10:51:42 +01:00

trace

build: fold trace-obj-y into libqemuutil.a

2013-01-12 18:42:51 +01:00

ui: Drop useless null tests in parse_keyboard_layout()

2013-01-16 12:02:47 -06:00

util

acl: Free memory allocated with g_malloc() with g_free()

2013-01-15 18:25:41 -06:00

.exrc

qemu: add .exrc

2012-09-07 09:02:44 +03:00

.gitignore

Add libcacard/trace/generated-tracers.c to .gitignore

2013-01-15 10:34:54 +01:00

.gitmodules

pixman: add submodule

2012-11-01 13:10:06 +01:00

.mailmap

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aio-posix.c

aio: Fix return value of aio_poll()

2013-01-17 10:51:42 +01:00

aio-win32.c

aio: Fix return value of aio_poll()

2013-01-17 10:51:42 +01:00

arch_init.c

ram: refactor ram_save_block() return value

2012-12-20 23:09:40 +01:00

async.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

balloon.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

block-migration.c

savevm: New save live migration method: pending

2012-12-20 23:09:25 +01:00

block.c

block: clear dirty bitmap when discarding

2013-01-15 10:03:48 +01:00

blockdev-nbd.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

blockdev.c

qemu-option: move standard option definitions out of qemu-config.c

2013-01-12 17:17:53 +01:00

blockjob.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

bt-host.c

softmmu: move remaining include files to include/ subdirectories

2012-12-19 08:32:46 +01:00

bt-vhci.c

softmmu: move remaining include files to include/ subdirectories

2012-12-19 08:32:46 +01:00

Changelog

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cmd.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

cmd.h

…

CODING_STYLE

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configure

Merge remote-tracking branch 'stefanha/trivial-patches' into staging

2013-01-15 16:53:10 -06:00

COPYING

…

COPYING.LIB

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coroutine-gthread.c

block: move include files to include/block/

2012-12-19 08:31:31 +01:00

coroutine-sigaltstack.c

block: move include files to include/block/

2012-12-19 08:31:31 +01:00

coroutine-ucontext.c

gcc: rename CONFIG_PRAGMA_DISABLE_UNUSED_BUT_SET to CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE

2013-01-12 12:42:53 +00:00

coroutine-win32.c

block: move include files to include/block/

2012-12-19 08:31:31 +01:00

cpu-exec.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

cpus.c

kvm: Pass CPUState to kvm_init_vcpu()

2013-01-15 04:09:13 +01:00

cputlb.c

exec: move include files to include/exec/

2012-12-19 08:31:31 +01:00

device_tree.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

disas.c

monitor: move include files to include/monitor/

2012-12-19 08:31:32 +01:00

dma-helpers.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

dump-stub.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

dump.c

exec: change RAM list to a TAILQ

2012-12-20 23:08:47 +01:00

exec.c

exec: Return CPUState from qemu_get_cpu()

2013-01-15 04:09:14 +01:00

gdbstub.c

cpu: Move cpu_index field to CPUState

2013-01-15 04:09:13 +01:00

HACKING

HACKING: List areas where we may rely on impdef C behaviour

2012-12-08 14:27:40 +00:00

hmp-commands.hx

chardev: add hmp hotplug commands

2013-01-16 06:58:54 +01:00

hmp.c

chardev: add hmp hotplug commands

2013-01-16 06:58:54 +01:00

hmp.h

chardev: add hmp hotplug commands

2013-01-16 06:58:54 +01:00

iohandler.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

ioport.c

exec: move include files to include/exec/

2012-12-19 08:31:31 +01:00

kvm-all.c

kvm: add stub for kvm_irqchip_update_msi_route

2013-01-15 18:25:05 -06:00

kvm-stub.c

kvm: Pass CPUState to kvm_init_vcpu()

2013-01-15 04:09:13 +01:00

LICENSE

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main-loop.c

Check return values from g_poll and select

2013-01-09 11:03:05 -06:00

MAINTAINERS

Merge branch 's390-reorg' of git://repo.or.cz/qemu/rth

2013-01-12 12:46:57 +00:00

Makefile

build: fix Win32 clean build

2013-01-16 12:15:26 -06:00

Makefile.objs

build: fold trace-obj-y into libqemuutil.a

2013-01-12 18:42:51 +01:00

Makefile.target

build: improve quiet output for .stp rules

2013-01-12 18:42:51 +01:00

memory_mapping-stub.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

memory_mapping.c

exec: change RAM list to a TAILQ

2012-12-20 23:08:47 +01:00

memory.c

memory: introduce memory_region_test_and_clear_dirty

2012-12-20 23:09:39 +01:00

migration-exec.c

migration: make writes blocking

2012-12-20 23:09:25 +01:00

migration-fd.c

migration: make writes blocking

2012-12-20 23:09:25 +01:00

migration-tcp.c

migration: make writes blocking

2012-12-20 23:09:25 +01:00

migration-unix.c

migration: make writes blocking

2012-12-20 23:09:25 +01:00

migration.c

migration: merge QEMUFileBuffered into MigrationState

2012-12-20 23:09:40 +01:00

monitor.c

cpu: Move cpu_index field to CPUState

2013-01-15 04:09:13 +01:00

nbd.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

os-posix.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

os-win32.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

page_cache.c

migration: move include files to include/migration/

2012-12-19 08:31:32 +01:00

qapi-schema-test.json

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qapi-schema.json

chardev: add pty chardev support to chardev-add (qmp)

2013-01-16 06:58:54 +01:00

qdict-test-data.txt

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qemu-bridge-helper.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

qemu-char.c

chardev: add pty chardev support to chardev-add (qmp)

2013-01-16 06:58:54 +01:00

qemu-coroutine-io.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

qemu-coroutine-lock.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

qemu-coroutine-sleep.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

qemu-coroutine.c

block: move include files to include/block/

2012-12-19 08:31:31 +01:00

qemu-doc.texi

Documentation: Update image format information

2012-11-30 11:33:24 +01:00

qemu-img-cmds.hx

qemu-img: document 'info --backing-chain'

2012-10-24 10:26:19 +02:00

qemu-img.c

qemu-img: report size overflow error message

2013-01-02 16:08:56 +01:00

qemu-img.texi

Documentation: Update image format information

2012-11-30 11:33:24 +01:00

qemu-io.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

qemu-log.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

qemu-nbd.c

block: move include files to include/block/

2012-12-19 08:31:31 +01:00

qemu-nbd.texi

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qemu-options-wrapper.h

…

qemu-options.h

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qemu-options.hx

chardev: add parallel chardev support to chardev-add (qmp)

2013-01-16 06:58:54 +01:00

qemu-seccomp.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

qemu-tech.texi

qemu-tech.texi: update implemented xtensa features list

2012-11-29 13:00:52 -06:00

qemu-timer.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

qemu.sasl

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qmp-commands.hx

chardev: add pty chardev support to chardev-add (qmp)

2013-01-16 06:58:54 +01:00

qmp.c

softmmu: move remaining include files to include/ subdirectories

2012-12-19 08:32:46 +01:00

qtest.c

softmmu: move remaining include files to include/ subdirectories

2012-12-19 08:32:46 +01:00

readline.c

readline: avoid memcpy() of overlapping regions

2013-01-08 10:00:26 +01:00

README

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rules.mak

build: move version-obj-y to the generic LINK rule

2013-01-12 18:42:51 +01:00

savevm.c

savevm: Remove MinGW specific code which is no longer needed

2013-01-11 09:35:11 +01:00

spice-qemu-char.c

Merge remote-tracking branch 'bonzini/header-dirs' into staging

2012-12-19 17:15:39 -06:00

tcg-runtime.c

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tci.c

exec: move include files to include/exec/

2012-12-19 08:31:31 +01:00

thread-pool.c

misc: move include files to include/qemu/

2012-12-19 08:32:39 +01:00

thunk.c

exec: move include files to include/exec/

2012-12-19 08:31:31 +01:00

TODO

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trace-events

Merge branch 'master' of git://git.qemu.org/qemu into prep-up

2013-01-10 21:52:28 +01:00

translate-all.c

translate-all.c: Use tb1->phys_hash_next directly in tb_remove

2012-12-22 12:06:24 +00:00

translate-all.h

exec: move TB handling to translate-all.c

2012-12-16 08:28:41 +00:00

user-exec.c

Merge remote-tracking branch 'bonzini/header-dirs' into staging

2012-12-19 17:15:39 -06:00

VERSION

Open up 1.4 development branch

2012-12-03 14:08:40 -06:00

version.rc

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vl.c

chardev: add error reporting for qemu_chr_new_from_opts

2013-01-16 06:58:53 +01:00

xen-all.c

xen: Simplify halting of first CPU

2013-01-15 04:09:14 +01:00

xen-mapcache.c

softmmu: move include files to include/sysemu/

2012-12-19 08:32:45 +01:00

xen-stub.c

exec: move include files to include/exec/

2012-12-19 08:31:31 +01:00

README

Read the documentation in qemu-doc.html or on http://wiki.qemu.org

- QEMU team