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Michael S. Tsirkin 322fd48afb e1000: verify we have buffers, upfront 
The spec says: Any descriptor with a non-zero status byte has been
processed by the hardware, and is ready to be handled by the software.

Thus, once we change a descriptor status to non-zero we should
never move the head backwards and try to reuse this
descriptor from hardware.

This actually happened with a multibuffer packet
that arrives when we don't have enough buffers.

Fix by checking that we have enough buffers upfront
so we never need to discard the packet midway through.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Acked-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-20 15:18:26 +01:00
audio
pulseaudio: tweak config
2011-01-25 19:56:53 +03:00
block
qcow2: Fix order in L2 table COW
2011-02-10 13:24:29 +01:00
bsd-user
bsd-user: Fix possible memory leaks and wrong realloc call
2011-01-17 20:23:47 +00:00
darwin-user
…
default-configs
applesmc: make optional
2011-02-20 09:34:16 +00:00
docs
Add boot index documentation.
2011-02-01 16:50:44 -06:00
fpu
softfloat: Fix compilation failures with USE_SOFTFLOAT_STRUCT_TYPES
2011-02-10 20:16:43 +01:00
fsdev
Delete useless 'extern' qualifiers for functions
2011-01-23 16:21:20 +00:00
gdb-xml
…
hw
e1000: verify we have buffers, upfront
2011-02-20 15:18:26 +01:00
linux-user
linux-user: correct core dump format
2011-02-17 11:46:34 +02:00
net
vhost: force vhost off for non-MSI guests
2011-02-01 16:50:44 -06:00
pc-bios
Update SeaBIOS to 0.6.1.2
2011-02-01 16:57:00 -06:00
QMP
…
roms
Update SeaBIOS to 0.6.1.2
2011-02-01 16:57:00 -06:00
scripts
checkpatch.pl: don't complain about old lines with tabs
2011-02-05 13:18:20 +00:00
slirp
Fix build from previous commit
2011-02-14 14:24:24 -06:00
sysconfigs/target
…
target-alpha
…
target-arm
arm: drop unused irq-related part of CPUARMState
2011-02-11 01:10:13 +01:00
target-cris
cris, microblaze: use cpu_has_work
2011-02-08 20:37:39 +01:00
target-i386
kvm: x86: Catch and report failing IRQ and NMI injections
2011-02-14 12:39:46 -02:00
target-m68k
…
target-microblaze
microblaze: Handle singlestepping over direct jmps
2011-02-10 00:46:09 +01:00
target-mips
[PATCH] [MIPS] Clear softfpu exception state for round, trunc, ceil and floor
2011-02-09 19:45:24 +01:00
target-ppc
Merge remote branch 'qemu-kvm/uq/master' into staging
2011-02-16 08:47:07 -06:00
target-s390x
kvm: Drop return values from kvm_arch_pre/post_run
2011-02-14 12:39:46 -02:00
target-sh4
target-sh4: fix negc
2011-02-04 20:19:33 +01:00
target-sparc
SPARC: Fix Leon3 cache control
2011-02-01 17:01:41 +00:00
tcg
tcg: README, name deposit second argument len/LEN
2011-01-20 12:16:57 +01:00
tests
Delete useless 'extern' qualifiers for functions
2011-01-23 16:21:20 +00:00
ui
vnc: qemu can die if the client is disconnected while updating screen
2011-02-04 06:33:26 -06:00
.gitignore
.gitignore: ignore vi swap files and ctags files
2011-02-11 01:13:13 +01:00
.gitmodules
…
a.out.h
…
acl.c
…
acl.h
…
aes.c
…
aes.h
…
aio.c
…
alpha-dis.c
…
alpha.ld
…
arch_init.c
audio: consolidate audio_init()
2011-01-25 09:18:00 +01:00
arch_init.h
audio: consolidate audio_init()
2011-01-25 09:18:00 +01:00
arm-dis.c
arm-dis: Include opcode hex when doing disassembly
2011-01-12 15:10:47 +01:00
arm-semi.c
…
arm.ld
…
async.c
…
balloon.c
…
balloon.h
…
block_int.h
Add flag to indicate external users to block device
2011-02-07 12:51:19 +01:00
block-migration.c
block: enable in_use flag
2011-02-07 12:51:19 +01:00
block-migration.h
…
block.c
fdc: move floppy geometry guessing to block.c
2011-02-20 09:33:17 +00:00
block.h
fdc: move floppy geometry guessing to block.c
2011-02-20 09:33:17 +00:00
blockdev.c
blockdev: Plug memory leak in drive_init() error paths
2011-02-10 13:24:28 +01:00
blockdev.h
blockdev: add refcount to DriveInfo
2011-02-07 12:51:19 +01:00
bswap.h
…
bt-host.c
…
bt-host.h
…
bt-vhci.c
…
buffered_file.c
…
buffered_file.h
…
cache-utils.c
…
cache-utils.h
Delete useless 'extern' qualifiers for functions
2011-01-23 16:21:20 +00:00
Changelog
…
check-qdict.c
…
check-qfloat.c
…
check-qint.c
…
check-qjson.c
…
check-qlist.c
…
check-qstring.c
…
cmd.c
…
cmd.h
Delete useless 'extern' qualifiers for functions
2011-01-23 16:21:20 +00:00
CODING_STYLE
checkpatch: adjust to QEMUisms
2011-01-20 20:58:56 +00:00
compatfd.c
…
compatfd.h
…
config.h
…
configure
target-i386: set target_phys_bits to 64
2011-02-20 15:13:57 +01:00
console.c
remove text_console_opts
2011-02-01 16:50:43 -06:00
console.h
vnc: Fix password expiration through 'change vnc ""' (v2)
2011-02-01 15:16:48 -06:00
COPYING
…
COPYING.LIB
…
cpu-all.h
Introduce log_start/log_stop in CPUPhysMemoryClient
2011-02-14 12:39:47 -02:00
cpu-common.h
Introduce log_start/log_stop in CPUPhysMemoryClient
2011-02-14 12:39:47 -02:00
cpu-defs.h
linux-user: Define target alignment size
2011-02-17 11:46:34 +02:00
cpu-exec.c
kvm: Separate TCG from KVM cpu execution
2011-02-14 12:39:46 -02:00
cpus.c
Merge remote branch 'qemu-kvm/uq/master' into staging
2011-02-16 08:47:07 -06:00
cpus.h
Refactor debug and vmstop request interface
2011-02-14 12:39:46 -02:00
cris-dis.c
…
cursor_hidden.xpm
…
cursor_left_ptr.xpm
…
cursor.c
…
cutils.c
QCOW2: bug fix - read base image beyond its size
2011-02-10 13:23:44 +01:00
def-helper.h
…
device_tree.c
…
device_tree.h
…
dis-asm.h
Delete useless 'extern' qualifiers for functions
2011-01-23 16:21:20 +00:00
disas.c
disas: remove opcode printing on ARM hosts
2011-01-12 15:12:58 +01:00
disas.h
…
dma-helpers.c
…
dma.h
…
dyngen-exec.h
…
elf.h
linux-user/elfload: add FDPIC support
2011-02-09 10:33:54 +02:00
envlist.c
…
envlist.h
Delete useless 'extern' qualifiers for functions
2011-01-23 16:21:20 +00:00
exec-all.h
Make tb_alloc static
2011-02-10 18:17:43 +01:00
exec.c
Introduce log_start/log_stop in CPUPhysMemoryClient
2011-02-14 12:39:47 -02:00
gdbstub.c
Improve vm_stop reason declarations
2011-02-14 12:39:46 -02:00
gdbstub.h
Add scripts directory
2011-01-20 20:54:21 +00:00
gen-icount.h
…
HACKING
…
hmp-commands.hx
Change snapshot_blkdev hmp to use correct argument type for device
2011-02-10 13:23:43 +01:00
host-utils.c
…
host-utils.h
…
hpet.h
…
hppa-dis.c
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hppa.ld
…
i386-dis.c
…
i386.ld
…
ia64-dis.c
…
ia64.ld
…
input.c
…
ioport-user.c
…
ioport.c
…
ioport.h
…
iorange.h
…
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: Make kvm_state globally available
2011-02-14 12:39:47 -02:00
kvm-stub.c
Introduce log_start/log_stop in CPUPhysMemoryClient
2011-02-14 12:39:47 -02:00
kvm.h
kvm: Make kvm_state globally available
2011-02-14 12:39:47 -02:00
libfdt_env.h
…
LICENSE
…
linux-aio.c
…
m68k-dis.c
…
m68k-semi.c
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m68k.ld
…
MAINTAINERS
spice: MAINTAINERS update
2011-01-24 15:13:54 +01:00
Makefile
Add scripts directory
2011-01-20 20:54:21 +00:00
Makefile.dis
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Makefile.hw
…
Makefile.objs
applesmc: make optional
2011-02-20 09:34:16 +00:00
Makefile.target
applesmc: make optional
2011-02-20 09:34:16 +00:00
Makefile.user
…
microblaze-dis.c
…
migration-exec.c
…
migration-fd.c
…
migration-tcp.c
…
migration-unix.c
…
migration.c
Improve vm_stop reason declarations
2011-02-14 12:39:46 -02:00
migration.h
add migration state change notifiers
2011-01-24 15:13:54 +01:00
mips-dis.c
…
mips.ld
…
module.c
…
module.h
…
monitor.c
Improve vm_stop reason declarations
2011-02-14 12:39:46 -02:00
monitor.h
…
nbd.c
…
nbd.h
…
net-checksum.c
…
net.c
…
net.h
…
notify.c
…
notify.h
…
os-posix.c
…
os-win32.c
…
osdep.c
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osdep.h
…
oslib-posix.c
…
oslib-win32.c
…
path.c
user: speed up init_paths a bit
2011-02-09 10:33:54 +02:00
pci-ids.txt
…
pflib.c
…
pflib.h
…
poison.h
…
posix-aio-compat.c
…
ppc64.ld
…
ppc-dis.c
…
ppc.ld
…
qbool.c
…
qbool.h
…
qdict-test-data.txt
…
qdict.c
…
qdict.h
…
qemu_socket.h
…
qemu-aio.h
…
qemu-barrier.h
…
qemu-char.c
fix QemuOpts leak
2011-02-01 16:50:44 -06:00
qemu-char.h
add qemu_chr_set_echo
2011-02-01 16:50:43 -06:00
qemu-common.h
Merge remote branch 'kwolf/for-anthony' into staging
2011-02-16 08:47:13 -06:00
qemu-config.c
spice: add chardev (v5)
2011-01-24 15:41:40 +01:00
qemu-config.h
…
qemu-doc.texi
Documentation: add Sheepdog disk images
2011-02-07 09:44:45 +01:00
qemu-error.c
…
qemu-error.h
…
qemu-img-cmds.hx
…
qemu-img.c
qemu-img: Improve error messages for failed bdrv_open
2011-02-10 13:24:11 +01:00
qemu-img.texi
Documentation: Add qemu-img check/rebase
2011-01-24 16:41:49 +01:00
qemu-io.c
qemu-io: Fix discard command
2011-01-31 10:03:00 +01:00
qemu-lock.h
…
qemu-log.h
…
qemu-malloc.c
…
qemu-nbd.c
…
qemu-nbd.texi
…
qemu-objects.h
…
qemu-option.c
…
qemu-option.h
…
qemu-options.h
…
qemu-options.hx
vhost: force vhost off for non-MSI guests
2011-02-01 16:50:44 -06:00
qemu-os-posix.h
…
qemu-os-win32.h
…
qemu-queue.h
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qemu-sockets.c
…
qemu-tech.texi
…
qemu-thread.c
…
qemu-thread.h
…
qemu-timer-common.c
…
qemu-timer.c
qemu-timer: Fix compilation of new timer code for w32, w64
2011-02-07 19:50:29 +00:00
qemu-timer.h
…
qemu-tool.c
…
qemu-x509.h
…
qemu.sasl
…
qerror.c
qerror: Add QERR_UNKNOWN_BLOCK_FORMAT_FEATURE
2011-02-10 13:23:44 +01:00
qerror.h
qerror: Add QERR_UNKNOWN_BLOCK_FORMAT_FEATURE
2011-02-10 13:23:44 +01:00
qfloat.c
…
qfloat.h
…
qint.c
…
qint.h
…
qjson.c
…
qjson.h
…
qlist.c
…
qlist.h
…
qmp-commands.hx
Merge remote branch 'spice/spice.v29.pull' into staging
2011-02-01 15:22:48 -06:00
qobject.h
…
qstring.c
…
qstring.h
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range.h
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readline.c
…
readline.h
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README
…
rules.mak
Add scripts directory
2011-01-20 20:54:21 +00:00
rwhandler.c
…
rwhandler.h
…
s390-dis.c
…
s390.ld
…
savevm.c
Improve vm_stop reason declarations
2011-02-14 12:39:46 -02:00
sh4-dis.c
…
simpletrace.c
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simpletrace.h
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softmmu_defs.h
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softmmu_exec.h
…
softmmu_header.h
…
softmmu_template.h
…
softmmu-semi.h
…
sparc64.ld
…
sparc-dis.c
…
sparc.ld
…
spice-qemu-char.c
spice: add chardev (v5)
2011-01-24 15:41:40 +01:00
sysemu.h
Refactor debug and vmstop request interface
2011-02-14 12:39:46 -02:00
targphys.h
…
tcg-runtime.c
…
thunk.c
…
thunk.h
…
TODO
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trace-events
Merge remote branch 'spice/spice.v29.pull' into staging
2011-02-01 15:22:48 -06:00
translate-all.c
…
uboot_image.h
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usb-bsd.c
…
usb-linux.c
…
usb-stub.c
…
VERSION
Open up the 0.15 development branch
2011-02-02 08:39:28 +01:00
version.rc
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vgafont.h
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vl.c
Move debug exception handling out of cpu_exec
2011-02-14 12:39:46 -02:00
x86_64.ld
…

README 

Read the documentation in qemu-doc.html.

Fabrice Bellard.
Description
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