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QEMU With E2K User Support
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Michael S. Tsirkin 92045d80ba virtio: add missing mb() on enable notification 
This fixes an issue dual to the one fixed by
patch 'virtio: add missing mb() on notification'
and applies on top.

In this case, to enable vq kick to exit to host,
qemu writes out used flag then reads the
avail index. if these are reordered we get a race:

    host avail index read: ring is empty
    		guest avail index write
    		guest flag read: exit disabled
    host used flag write: enable exit

which results in a lost exit: host will never be notified about the
avail index update.  Again, happens in the field but only seems to
trigger on some specific hardware.

Insert an smp_mb barrier operation to ensure the correct ordering.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2012-04-25 10:53:47 +03:00
audio Allow controlling volume with PulseAudio backend 2012-04-17 16:57:58 +04:00
block Merge remote-tracking branch 'kwolf/for-anthony' into staging 2012-04-23 14:27:04 -05:00
bsd-user bsd-user: fix compile failure 2012-04-13 09:57:36 +01:00
darwin-user Rename CPUState -> CPUArchState 2012-03-14 22:20:27 +01:00
default-configs get rid of CONFIG_VIRTIO_SCSI 2012-03-19 16:35:14 +01:00
docs Specification for qcow2 version 3 2012-04-20 15:57:27 +02:00
fpu softfloat: make USE_SOFTFLOAT_STRUCT_TYPES compile 2012-04-21 13:26:47 +00:00
fsdev Replace Qemu by QEMU in user visible documentation 2012-04-07 13:58:06 +00:00
gdb-xml
hw virtio: add missing mb() on enable notification 2012-04-25 10:53:47 +03:00
include/qemu qom: Refine container_get() to allow using a custom root 2012-04-24 09:50:31 -05:00
libcacard libcacard/vcard_emul_nss: add warning for old coolkey 2012-03-26 18:39:00 +02:00
linux-headers kvm: update linux headers 2012-04-12 19:01:42 -03:00
linux-user linux-user: Fix exit syscall with QOM CPU 2012-04-15 16:54:46 +00:00
net
pc-bios seabios: update to 1.7.0 2012-04-17 10:51:41 +02:00
qapi qapi: g_hash_table_find() instead of GHashTableIter. 2012-04-23 13:03:45 -03:00
qga qemu-ga: generate missing stubs for fsfreeze 2012-04-19 10:42:59 -05:00
QMP qmp: document strict parsing 2012-03-27 09:15:52 -03:00
qom qom: Refine container_get() to allow using a custom root 2012-04-24 09:50:31 -05:00
roms seabios: update to 1.7.0 2012-04-17 10:51:41 +02:00
scripts create_config: simplify prefix=* block, remove CONFIG_QEMU_PREFIX 2012-04-24 09:50:31 -05:00
slirp w32: Move defines for socket specific errors to qemu-os-win32.h 2012-04-15 21:25:16 +02:00
sysconfigs/target add Opteron_G4 CPU model (v2) 2012-03-12 14:05:25 -05:00
target-alpha target-alpha: QOM'ify CPU init 2012-04-15 21:26:55 +02:00
target-arm target-arm: Move reset handling to arm_cpu_reset 2012-04-21 18:13:22 +00:00
target-cris target-cris: Start QOM'ifying CPU init 2012-04-24 16:04:56 +02:00
target-i386 Use uintptr_t for various op related functions 2012-04-14 14:23:37 +00:00
target-lm32 Use uintptr_t for various op related functions 2012-04-14 14:23:37 +00:00
target-m68k Use uintptr_t for various op related functions 2012-04-14 14:23:37 +00:00
target-microblaze target-microblaze: QOM'ify CPU init 2012-04-24 16:04:56 +02:00
target-mips target-mips: Fix type cast for w64 (uintptr_t) 2012-04-15 21:25:17 +02:00
target-ppc target-ppc/machine.c: Drop unnecessary ifdefs 2012-04-15 18:23:47 +02:00
target-s390x Use uintptr_t for various op related functions 2012-04-14 14:23:37 +00:00
target-sh4 Use uintptr_t for various op related functions 2012-04-14 14:23:37 +00:00
target-sparc sparc: fix qtest 2012-04-19 18:52:48 +00:00
target-unicore32 target-unicore32: Move CPU-dependent init into initfn 2012-03-30 11:09:31 +02:00
target-xtensa target-xtensa: fix LOOPNEZ/LOOPGTZ translation 2012-04-21 13:24:45 +00:00
tcg tcg/i386: Add support for w64 ABI 2012-04-15 21:25:15 +02:00
tests Merge remote-tracking branch 'origin/master' into staging 2012-04-23 15:02:53 -05:00
trace trace: make trace_thread_create() use its function arg 2012-03-12 10:12:34 +00:00
ui Replace Qemu by QEMU in comments 2012-04-07 14:00:45 +00:00
.gitignore .gitignore: add qemu-bridge-helper and option rom build products 2012-03-19 10:52:52 +00:00
.gitmodules
.mailmap
a.out.h
acl.c
acl.h
aes.c
aes.h
aio.c aio: simplify qemu_aio_wait 2012-04-19 16:51:47 +02:00
alpha-dis.c
alpha.ld
arch_init.c pcspk: initialize PC speaker if compiled in 2012-04-15 08:56:58 +04:00
arch_init.h
arm-dis.c
arm-semi.c arm-semi: Don't use CPUState 2012-03-14 22:20:25 +01:00
arm.ld
async.c
balloon.c
balloon.h
bitmap.c
bitmap.h
bitops.c
bitops.h
block_int.h qcow2: Version 3 images 2012-04-20 15:57:29 +02:00
block-migration.c Purge migration of (almost) everything to do with monitors 2012-03-15 10:39:52 -03:00
block-migration.h
block.c qcow2: Zero write support 2012-04-20 15:57:30 +02:00
block.h block: add a function to clear incoming live migration flags 2012-04-05 16:27:56 +02:00
blockdev.c blockdev: open images with BDRV_O_INCOMING on incoming live migration 2012-04-05 16:28:16 +02:00
blockdev.h
bswap.h
bt-host.c
bt-host.h
bt-vhci.c
buffered_file.c
buffered_file.h
cache-utils.c
cache-utils.h cache-utils: Add missing include file for uintptr_t 2012-03-11 11:25:19 +00:00
Changelog
cmd.c qemu-io: use main_loop_wait 2012-04-19 16:29:33 +02:00
cmd.h
CODING_STYLE Replace Qemu by QEMU in internal documentation 2012-04-07 13:58:25 +00:00
compatfd.c
compatfd.h
compiler.h
config.h
configure Remove extra pthread switch 2012-04-24 09:50:31 -05:00
console.c optimize screendump for the common non-switch case 2012-02-24 13:36:05 -06:00
console.h console: add some trace events 2012-03-12 10:30:23 +00:00
COPYING
COPYING.LIB
coroutine-gthread.c coroutine-gthread.c: Avoid threading APIs deprecated in GLib 2.31 2012-04-14 10:59:14 +00:00
coroutine-sigaltstack.c coroutine: adding sigaltstack method (.c source) 2012-03-12 15:14:07 +01:00
coroutine-ucontext.c coroutine: switch to QSLIST 2012-02-17 08:33:33 -06:00
coroutine-win32.c
cpu-all.h w64: Fix data types in cpu-all.h, exec.c 2012-04-15 21:25:16 +02:00
cpu-common.h w64: Fix size of ram_addr_t 2012-03-03 18:10:16 +00:00
cpu-defs.h w64: Fix struct CPUTLBEntry 2012-04-15 21:25:16 +02:00
cpu-exec.c cpu-exec: Remove non-portable type cast and fix format string 2012-04-15 21:25:17 +02:00
cpus.c kvm: Drop redundant kvm_enabled from cpu_thread_is_idle 2012-04-12 19:01:41 -03:00
cpus.h qtest: add clock management 2012-03-30 08:14:11 -05:00
cris-dis.c
cursor_hidden.xpm
cursor_left_ptr.xpm
cursor.c Fix sign of sscanf format specifiers 2012-03-07 13:03:51 +00:00
cutils.c
def-helper.h Add support for target helper functions which don't return 2012-03-24 13:01:46 +00:00
device_tree.c
device_tree.h
dis-asm.h target-lm32: add simple disassembler 2012-04-01 20:30:23 +02:00
disas.c disas: Replace 'unsigned long' by 'uintptr_t' 2012-04-15 21:25:18 +02:00
disas.h Rename CPUState -> CPUArchState 2012-03-14 22:20:27 +01:00
dma-helpers.c Use DMADirection type for dma_bdrv_io 2012-04-05 14:54:40 +02:00
dma.h Merge remote-tracking branch 'kwolf/for-anthony' into staging 2012-04-10 08:16:12 -05:00
dyngen-exec.h Rename CPUState -> CPUArchState 2012-03-14 22:20:27 +01:00
elf.h elf.h: Update EF_ARM_ constants to newer ABI versions 2012-04-06 19:25:57 +03:00
envlist.c
envlist.h
error_int.h
error.c error.c: don't return value for void function 2012-04-20 13:14:53 +01:00
error.h Error: Introduce error_copy() 2012-03-15 10:39:52 -03:00
event_notifier.c
event_notifier.h
exec-all.h tci: GETPC() macro must return an uintptr_t 2012-04-21 13:28:28 +00:00
exec-memory.h
exec-obsolete.h memory: get rid of cpu_register_io_memory() 2012-03-08 19:16:39 +02:00
exec.c w64: Use uintptr_t in exec.c 2012-04-15 21:25:17 +02:00
gdbstub.c gdbstub: Synchronize CPU state unconditionally in gdb_set_cpu_pc 2012-04-21 13:27:34 +00:00
gdbstub.h Rename CPUState -> CPUArchState 2012-03-14 22:20:27 +01:00
gen-icount.h Rename CPUState -> CPUArchState 2012-03-14 22:20:27 +01:00
HACKING
hmp-commands.hx fix block_job_set_speed name in documentation 2012-04-20 13:14:53 +01:00
hmp.c qapi: convert device_del 2012-04-09 14:35:25 -03:00
hmp.h qapi: convert device_del 2012-04-09 14:35:25 -03:00
host-utils.c
host-utils.h
hppa-dis.c
hppa.ld
i386-dis.c
i386.ld
ia64-dis.c
ia64.ld
input.c input: send kbd+mouse events only to running guests. 2012-02-17 11:02:55 -06:00
int128.h
iohandler.c
ioport-user.c
ioport.c ioport: use INT64_MAX for IO ranges 2012-03-19 15:17:21 +02:00
ioport.h ioport: add destructor method to IORange 2012-03-05 17:36:19 +02:00
iorange.h ioport: add destructor method to IORange 2012-03-05 17:36:19 +02:00
iov.c
iov.h
json-lexer.c
json-lexer.h
json-parser.c
json-parser.h
json-streamer.c
json-streamer.h
kvm-all.c kvm: set gsi_bits and max_gsi correctly 2012-04-12 19:01:42 -03:00
kvm-stub.c kvm: Drop unused kvm_pit_in_kernel 2012-04-12 19:01:41 -03:00
kvm.h kvm: Drop unused kvm_pit_in_kernel 2012-04-12 19:01:41 -03:00
libfdt_env.h
LICENSE
linux-aio.c aio: remove process_queue callback and qemu_aio_process_queue 2012-04-19 16:37:53 +02:00
lm32-dis.c target-lm32: add simple disassembler 2012-04-01 20:30:23 +02:00
m68k-dis.c
m68k-semi.c m68k-semi: Don't use CPUState 2012-03-14 22:20:26 +01:00
m68k.ld
main-loop.c w64: Fix type cast in os_host_main_loop_wait 2012-04-15 21:25:17 +02:00
main-loop.h main-loop: interrupt wait when data arrives on a socket 2012-04-07 08:34:16 +00:00
MAINTAINERS tracetool: Add MAINTAINERS info 2012-04-18 14:03:00 +01:00
Makefile config-host.mak: rename docdir to qemu_docdir 2012-04-24 09:50:30 -05:00
Makefile.dis
Makefile.hw
Makefile.objs tracetool: Rewrite infrastructure as python modules 2012-04-18 14:02:59 +01:00
Makefile.target config-host.mak: rename datadir to qemu_datadir 2012-04-24 09:50:30 -05:00
Makefile.user qom: Add QOM support to user emulators 2012-03-13 13:23:18 -05:00
memory.c memory: check address space when a listener is registered 2012-04-05 13:09:17 +03:00
memory.h memory: fix I/O port aliases 2012-03-05 17:40:12 +02:00
microblaze-dis.c
migration-exec.c
migration-fd.c qapi: Convert migrate 2012-03-15 10:39:52 -03:00
migration-tcp.c
migration-unix.c
migration.c migration: clear BDRV_O_INCOMING flags on end of incoming live migration 2012-04-05 16:28:49 +02:00
migration.h qapi: Convert migrate 2012-03-15 10:39:52 -03:00
mips-dis.c
mips.ld
module.c Remove type field in ModuleEntry as it's not used 2012-03-19 10:52:52 +00:00
module.h
monitor.c qmp: add and use q type specifier 2012-03-27 09:15:28 -03:00
monitor.h suspend: add qmp events 2012-02-24 13:36:04 -06:00
nbd.c nbd: obey FUA on reads 2012-04-19 17:19:37 +02:00
nbd.h nbd: consistently return negative errno values 2012-04-19 16:36:43 +02:00
net.c net: move compute_mcast_idx() to net.h 2012-03-16 01:04:51 +02:00
net.h net: move compute_mcast_idx() to net.h 2012-03-16 01:04:51 +02:00
notify.c notifier: switch to QLIST 2012-02-17 08:33:32 -06:00
notify.h notifier: switch to QLIST 2012-02-17 08:33:32 -06:00
os-posix.c
os-win32.c
osdep.c
osdep.h qtest: add C version of test infrastructure 2012-03-30 08:14:11 -05:00
oslib-posix.c
oslib-win32.c main-loop: interrupt wait when data arrives on a socket 2012-04-07 08:34:16 +00:00
path.c
pci-ids.txt
pflib.c
pflib.h
poison.h Rename CPUState -> CPUArchState 2012-03-14 22:20:27 +01:00
posix-aio-compat.c aio: remove process_queue callback and qemu_aio_process_queue 2012-04-19 16:37:53 +02:00
ppc64.ld
ppc-dis.c Replace Qemu by QEMU in comments 2012-04-07 14:00:45 +00:00
ppc.ld
qapi-schema-guest.json qemu-ga: add guest-sync-delimited 2012-03-12 15:09:23 -05:00
qapi-schema-test.json qapi: add struct-errors test case to test-qmp-output-visitor 2012-03-27 09:11:00 -03:00
qapi-schema.json qmp: make block job command naming consistent 2012-04-23 13:02:01 -03:00
qbool.c
qbool.h
qdict-test-data.txt
qdict.c
qdict.h
qemu_socket.h w32: Move defines for socket specific errors to qemu-os-win32.h 2012-04-15 21:25:16 +02:00
qemu-aio.h aio: return "AIO in progress" state from qemu_aio_wait 2012-04-19 16:50:49 +02:00
qemu-barrier.h virtio: add missing mb() on notification 2012-04-25 10:53:46 +03:00
qemu-bridge-helper.c
qemu-char.c qemu-char: Fix crash when switching consoles 2012-04-24 09:50:31 -05:00
qemu-char.h
qemu-common.h Merge commit 'ff71f2e8cacefae99179993204172bc65e4303df' into staging 2012-04-10 08:21:58 -05:00
qemu-config.c arm: add device tree support 2012-03-02 11:56:38 +00:00
qemu-config.h
qemu-coroutine-int.h coroutine: switch to QSLIST 2012-02-17 08:33:33 -06:00
qemu-coroutine-io.c
qemu-coroutine-lock.c
qemu-coroutine-sleep.c block: allow interrupting a co_sleep_ns 2012-04-19 16:03:27 +02:00
qemu-coroutine.c
qemu-coroutine.h
qemu-doc.texi Replace Qemu by QEMU in w32 installation path (prefix) 2012-04-07 13:58:42 +00:00
qemu-error.c
qemu-error.h
qemu-file.h Spelling fixes in comments (it's -> its) 2012-03-08 15:22:11 +00:00
qemu-ga.c qemu-ga: fix help output 2012-04-19 10:45:07 -05:00
qemu-img-cmds.hx
qemu-img.c qemu-img: let 'qemu-img convert' flush data 2012-04-20 11:42:41 +02:00
qemu-img.texi
qemu-io.c qemu-io: use main_loop_wait 2012-04-19 16:29:33 +02:00
qemu-lock.h
qemu-log.h
qemu-nbd.c nbd: do not include block_int.h 2012-04-19 17:19:37 +02:00
qemu-nbd.texi Replace Qemu by QEMU in user visible documentation 2012-04-07 13:58:06 +00:00
qemu-objects.h
qemu-option.c
qemu-option.h
qemu-options-wrapper.h
qemu-options.h
qemu-options.hx Replace Qemu by QEMU in user visible documentation 2012-04-07 13:58:06 +00:00
qemu-os-posix.h
qemu-os-win32.h w64: Fix definition of setjmp 2012-04-15 21:25:16 +02:00
qemu-progress.c
qemu-queue.h Replace Qemu by QEMU in comments 2012-04-07 14:00:45 +00:00
qemu-sockets.c sockets: Clean up inet_listen_opts()'s convoluted bind() loop 2012-02-24 09:06:58 -06:00
qemu-tech.texi
qemu-thread-posix.c
qemu-thread-posix.h
qemu-thread-win32.c
qemu-thread-win32.h
qemu-thread.h
qemu-timer-common.c
qemu-timer.c qemu-timer.c: Remove 250us timeouts 2012-04-16 12:56:48 -05:00
qemu-timer.h qtest: add clock management 2012-03-30 08:14:11 -05:00
qemu-tls.h
qemu-tool.c qemu-tool: map vm_clock to rt_clock 2012-04-19 16:30:25 +02:00
qemu-user.c qom: Add QOM support to user emulators 2012-03-13 13:23:18 -05:00
qemu-x509.h
qemu-xattr.h
qemu.sasl
qerror.c qdev: add blocksize property type 2012-04-05 14:54:40 +02:00
qerror.h qdev: add blocksize property type 2012-04-05 14:54:40 +02:00
qfloat.c
qfloat.h
qint.c
qint.h
qjson.c
qjson.h qjson.h: include compiler.h for GCC_FMT_ATTR 2012-03-09 17:34:17 -03:00
qlist.c
qlist.h
qmp-commands.hx qmp: make block job command naming consistent 2012-04-23 13:02:01 -03:00
qmp.c suspend: add system_wakeup monitor command 2012-02-24 13:36:03 -06:00
qobject.h
qstring.c
qstring.h
qtest.c qtest: Fix tv_usec != long 2012-04-24 09:50:31 -05:00
qtest.h qtest: add dummy functions for user emulators 2012-04-19 18:52:35 +00:00
range.h
readline.c
readline.h
README
rules.mak test makefile overhaul 2012-03-30 08:14:11 -05:00
s390-dis.c
s390.ld
savevm.c w64: Fix time conversion for some versions of MinGW-w64 2012-04-15 21:25:18 +02:00
sh4-dis.c
softmmu_defs.h softmmu templates: optionally pass CPUState to memory access functions 2012-03-18 12:21:52 +00:00
softmmu_exec.h
softmmu_header.h w64: Fix data types in softmmu*.h 2012-04-15 21:25:17 +02:00
softmmu_template.h w64: Fix data types in softmmu*.h 2012-04-15 21:25:17 +02:00
softmmu-semi.h Rename CPUState -> CPUArchState 2012-03-14 22:20:27 +01:00
sparc64.ld
sparc-dis.c
sparc.ld
spice-qemu-char.c spice-qemu-char.c: Show what name is unsupported 2012-04-20 13:14:53 +01:00
sysemu.h qapi: Convert migrate 2012-03-15 10:39:52 -03:00
targphys.h
tcg-runtime.c
tci-dis.c
tci.c tci: GETPC() macro must return an uintptr_t 2012-04-21 13:28:28 +00:00
thunk.c linux-user: add struct old_dev_t compat 2012-04-06 18:49:58 +03:00
thunk.h linux-user: add struct old_dev_t compat 2012-04-06 18:49:58 +03:00
TODO
trace-events Merge remote-tracking branch 'spice/spice.v52' into staging 2012-04-18 07:56:18 -05:00
translate-all.c w64: Fix data type of tb_next and other variables used for host addresses 2012-04-07 11:27:45 +00:00
uboot_image.h
user-exec.c Use uintptr_t for various op related functions 2012-04-14 14:23:37 +00:00
VERSION
version.rc
vgafont.h
vl.c Merge branch 'arm-devs.for-upstream' of git://git.linaro.org/people/pmaydell/qemu-arm 2012-03-31 12:10:07 +00:00
vmstate.h Purge migration of (almost) everything to do with monitors 2012-03-15 10:39:52 -03:00
x86_64.ld
xen-all.c xen: add a dummy xc_hvm_inject_msi for Xen < 4.2 2012-04-17 18:04:42 +00:00
xen-mapcache.c xen-mapcache: don't unmap locked entry during mapcache invalidation 2012-04-13 17:35:06 +00:00
xen-mapcache.h xen mapcache: check if memory region has moved. 2012-03-19 18:21:12 +00:00
xen-stub.c Xen: basic HVM MSI injection support. 2012-04-13 17:34:08 +00:00
xtensa-semi.c target-xtensa: Move helpers.h to helper.h 2012-04-14 03:48:08 +04:00

README 

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

- QEMU team