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Max Reitz 808c4b6f30 qcow2: Allow "full" discard

Normally, discarded sectors should read back as zero. However, there are
cases in which a sector (or rather cluster) should be discarded as if
they were never written in the first place, that is, reading them should
fall through to the backing file again.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-id: 1414159063-25977-2-git-send-email-mreitz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

2014-11-03 11:41:47 +00:00

audio

audio: Drop superfluous conditionals around g_free()

2014-06-13 12:34:54 +02:00

backends

pci, pc, virtio, misc bugfixes

2014-09-18 20:02:01 +01:00

block

qcow2: Allow "full" discard

2014-11-03 11:41:47 +00:00

bsd-user

bsd-user: Fix syscall format, add strace support for more syscalls

2014-06-11 00:25:06 +01:00

default-configs

PPC: Fix default config ordering and add eTSEC for ppc64

2014-09-08 12:50:54 +02:00

disas

disas/libvixl/a64/instructions-a64.h: Remove unused constants

2014-10-24 12:19:12 +01:00

docs

virtio-scsi fixes, the first part of dynamic sysbus devices,

2014-10-30 13:35:12 +00:00

dtc @ bc895d6d09

…

fpu

softfloat: add functions corresponding to IEEE-2008 min/maxNumMag

2014-10-14 13:28:51 +01:00

fsdev

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gdb-xml

s390x/gdb: add the feature xml files for s390x

2014-09-01 09:45:19 +02:00

ahci: Fix SDB FIS Construction

2014-11-03 09:48:41 +00:00

include

BlockLimits: introduce max_transfer_length

2014-11-03 09:48:41 +00:00

libcacard

libcacard: don't free sign buffer while sign op is pending

2014-10-28 11:38:18 +01:00

libdecnumber

libdecnumber: Fix warnings from smatch (missing static, boolean operations)

2014-08-24 13:21:06 +04:00

linux-headers

linux-headers: update to 3.17-rc7

2014-10-10 10:37:47 +02:00

linux-user

translate-all.c: memory walker initial address miscalculation

2014-10-06 21:53:35 +03:00

net

Net patches

2014-09-04 17:39:07 +01:00

pc-bios

linuxboot: compute initrd loading address

2014-10-09 15:36:15 +02:00

pixman @ 87eea99e44

pixman: update internal copy to pixman-0.32.6

2014-09-15 08:14:19 +02:00

po: fix conflict with %.mo rule in rules.mak

2014-09-26 13:35:08 +02:00

qapi

qapi: Add corrupt field to ImageInfoSpecificQCow2

2014-10-04 19:18:17 +01:00

qga

qga: Rewrite code where using readdir_r

2014-10-22 07:49:52 -05:00

qobject

json-lexer: fix escaped backslash in single-quoted string

2014-06-23 11:01:24 -04:00

qom

qom: Demote already-has-a-parent to a regular error

2014-10-23 16:41:25 +02:00

roms

Update OpenBIOS images

2014-09-25 13:34:03 +01:00

scripts

get_maintainer.pl: restrict cases where it falls back to --git

2014-10-23 16:41:27 +02:00

slirp

slirp: udp: fix NULL pointer dereference because of uninitialized socket

2014-09-23 19:15:05 +01:00

stubs

block: Code motion to get rid of stubs/blockdev.c

2014-10-20 13:41:26 +02:00

sysconfigs/target

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target-alpha

target-alpha: Use cpu_exec_interrupt qom hook

2014-09-25 18:54:21 +01:00

target-arm

target-arm: A32: Emulate the SMC instruction

2014-10-24 12:19:15 +01:00

target-cris

gdbstub: Allow target CPUs to specify watchpoint STOP_BEFORE_ACCESS flag

2014-10-06 14:25:43 +01:00

target-i386

target-i386: add Intel AVX-512 support

2014-10-24 18:03:14 +02:00

target-lm32

gdbstub: Allow target CPUs to specify watchpoint STOP_BEFORE_ACCESS flag

2014-10-06 14:25:43 +01:00

target-m68k

target-m68k: Use cpu_exec_interrupt qom hook

2014-09-25 18:54:21 +01:00

target-microblaze

target-microblaze: Use cpu_exec_interrupt qom hook

2014-09-25 18:54:22 +01:00

target-mips

target-mips: add ULL suffix in bitswap to avoid compiler warning

2014-10-24 14:07:51 +01:00

target-moxie

softmmu: introduce cpu_ldst.h

2014-06-05 16:10:33 +02:00

target-openrisc

target-openrisc: Use cpu_exec_interrupt qom hook

2014-09-25 18:54:22 +01:00

target-ppc

qdev: Drop legacy_name from qdev properties

2014-10-15 05:03:15 +02:00

target-s390x

s390x/migration: migrate CPU state

2014-10-10 13:31:51 +02:00

target-sh4

target-sh4: Use cpu_exec_interrupt qom hook

2014-09-25 18:54:22 +01:00

target-sparc

target-sparc: Use cpu_exec_interrupt qom hook

2014-09-25 18:54:22 +01:00

target-tricore

target-tricore: Add instructions of BO opcode format

2014-10-20 12:25:07 +01:00

target-unicore32

target-unicore32: Use cpu_exec_interrupt qom hook

2014-09-25 18:54:22 +01:00

target-xtensa

gdbstub: Allow target CPUs to specify watchpoint STOP_BEFORE_ACCESS flag

2014-10-06 14:25:43 +01:00

tcg

tcg/mips: fix store softmmu slow path

2014-11-02 13:30:00 +01:00

tests

iotests: Add test for external image truncation

2014-11-03 11:41:47 +00:00

trace

trace: [hmp] Reimplement "trace-event" and "info trace-events" using QMP

2014-09-26 09:34:38 +01:00

vnc: return directly if no vnc client connected

2014-10-30 18:21:25 +00:00

util

Four changes here. Polling for reconnection of character devices,

2014-10-09 15:09:05 +01:00

.exrc

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.gitignore

trace: [tcg] Generate TCG tracing routines

2014-08-12 14:26:12 +01:00

.gitmodules

PPC: Add u-boot firmware for e500

2014-06-16 13:24:35 +02:00

.mailmap

…

.travis.yml

.travis.yml: remove "make check" from main matrix

2014-09-26 21:05:06 +04:00

accel.c

accel: Create accel object when initializing machine

2014-10-09 15:36:14 +02:00

aio-posix.c

AioContext: introduce aio_prepare

2014-08-29 10:46:58 +01:00

aio-win32.c

aio-win32: avoid out-of-bounds access to the events array

2014-09-22 11:39:21 +01:00

arch_init.c

migration: catch unknown flag combinations in ram_load

2014-10-14 11:24:20 +02:00

async.c

async: aio_context_new(): Handle event_notifier_init failure

2014-09-22 11:39:48 +01:00

balloon.c

qapi event: convert BALLOON_CHANGE

2014-06-23 11:12:28 -04:00

block-migration.c

block: Rename BlockDriverAIOCB* to BlockAIOCB*

2014-10-20 13:41:27 +02:00

block.c

block.c: Fix type of IoOperationType variable in send_qmp_error_event()

2014-11-03 09:48:41 +00:00

blockdev-nbd.c

block: Use g_new() & friends where that makes obvious sense

2014-08-20 11:51:28 +02:00

blockdev.c

block: Lift device model API into BlockBackend

2014-10-20 14:03:50 +02:00

blockjob.c

block: Rename BlockDriverCompletionFunc to BlockCompletionFunc

2014-10-20 13:41:27 +02:00

bootdevice.c

bootindex: change fprintf to error_report

2014-10-15 10:46:01 +02:00

bt-host.c

…

bt-vhci.c

…

Changelog

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CODING_STYLE

CODING_STYLE: Section about conditional statement

2014-08-15 18:54:06 +04:00

configure

configure: Prepend pixman and ftd flags to overrule system-provided ones

2014-10-15 12:20:27 +02:00

COPYING

…

COPYING.LIB

…

coroutine-gthread.c

glib-compat.h: add new thread API emulation on top of pre-2.31 API

2014-06-10 07:44:01 +02:00

coroutine-sigaltstack.c

…

coroutine-ucontext.c

…

coroutine-win32.c

coroutine-win32.c: Add noinline attribute to work around gcc bug

2014-06-26 14:08:14 +01:00

cpu-exec.c

cpu-exec: Do CPU_INTERRUPT_HALT unconditionally

2014-09-25 18:54:22 +01:00

cpus.c

Introduce cpu_clean_all_dirty

2014-09-16 11:04:09 +02:00

cputlb.c

implementing victim TLB for QEMU system emulated TLB

2014-09-01 17:43:06 +01:00

device_tree.c

device_tree.c: dump all err mesages with error_report

2014-09-02 22:38:16 +04:00

device-hotplug.c

blockdev: Eliminate drive_del()

2014-10-20 13:41:26 +02:00

disas.c

monitor: QEMU Monitor Instruction Disassembly Incorrect for PowerPC LE Mode

2014-06-16 13:24:26 +02:00

dma-helpers.c

hw: Convert from BlockDriverState to BlockBackend, mostly

2014-10-20 14:02:25 +02:00

dump.c

dump: Turn some functions to void to make code cleaner

2014-10-23 09:01:29 -04:00

exec.c

exec.c: fix setting 1-byte-long watchpoints

2014-09-19 17:42:16 +01:00

gdbstub.c

gdbstub: Allow target CPUs to specify watchpoint STOP_BEFORE_ACCESS flag

2014-10-06 14:25:43 +01:00

HACKING

…

hmp-commands.hx

hmp: Remove "info pcmcia"

2014-10-24 12:19:11 +01:00

hmp.c

Add HMP command "info memory-devices"

2014-09-26 13:37:06 -04:00

hmp.h

Add HMP command "info memory-devices"

2014-09-26 13:37:06 -04:00

iohandler.c

iohandler.c: Properly initialize sigaction struct

2014-05-24 00:07:29 +04:00

ioport.c

memory: convert memory_region_destroy to object_unparent

2014-08-18 12:06:20 +02:00

iothread.c

async: aio_context_new(): Handle event_notifier_init failure

2014-09-22 11:39:48 +01:00

kvm-all.c

kvm fix compilation with GCC 4.3.4

2014-10-10 14:07:08 +01:00

kvm-stub.c

accel: Move KVM accel registration to kvm-all.c

2014-10-04 08:59:15 +02:00

LICENSE

…

main-loop.c

Revert "main-loop.c: Handle SIGINT, SIGHUP and SIGTERM synchronously"

2014-10-27 15:05:09 +00:00

MAINTAINERS

virtio-scsi fixes, the first part of dynamic sysbus devices,

2014-10-30 13:35:12 +00:00

Makefile

trace: install trace-events file

2014-09-26 09:34:39 +01:00

Makefile.objs

qemu-file: Move stdio implementation to qemu-file-stdio.c

2014-10-14 10:29:28 +02:00

Makefile.target

bootdevice: move bootdevice related code to new file bootdevice.c

2014-10-15 09:49:48 +02:00

memory_mapping.c

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memory.c

memory: add parameter errp to memory_region_init_rom_device

2014-09-09 13:41:44 +02:00

migration-exec.c

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migration-fd.c

…

migration-rdma.c

rdma: Fix incorrect description in comments

2014-09-20 17:55:53 +04:00

migration-tcp.c

qemu-sockets: Add error to non-blocking connect handler

2014-10-09 15:36:15 +02:00

migration-unix.c

qemu-sockets: Add error to non-blocking connect handler

2014-10-09 15:36:15 +02:00

migration.c

block/migration: Disable cache invalidate for incoming migration

2014-10-14 09:35:21 +02:00

module-common.c

…

monitor.c

hmp: Remove "info pcmcia"

2014-10-24 12:19:11 +01:00

nbd.c

block/migration: Disable cache invalidate for incoming migration

2014-10-14 09:35:21 +02:00

numa.c

memory: add parameter errp to memory_region_init_ram

2014-09-09 13:41:43 +02:00

os-posix.c

os-posix: report error message when lock file failed

2014-09-26 21:21:09 +04:00

os-win32.c

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page_cache.c

migration: Plug memory leak in migrate-set-cache-size command

2014-06-10 19:54:43 +04:00

qapi-schema.json

qmp: Print descriptions of object properties

2014-10-15 05:03:15 +02:00

qdev-monitor.c

qmp: Print descriptions of object properties

2014-10-15 05:03:15 +02:00

qdict-test-data.txt

…

qemu-bridge-helper.c

qemu-bridge-helper: Fix fd leak in main()

2014-06-27 10:39:10 +02:00

qemu-char.c

qemu-char: Fix reconnect socket error reporting

2014-10-09 15:36:15 +02:00

qemu-coroutine-io.c

qemu-coroutine-io: fix for Win32

2014-08-29 10:46:58 +01:00

qemu-coroutine-lock.c

…

qemu-coroutine-sleep.c

coroutine: Drop co_sleep_ns

2014-08-29 10:46:58 +01:00

qemu-coroutine.c

coroutine: make pool size dynamic

2014-08-15 15:07:14 +02:00

qemu-doc.texi

block: delete cow block driver

2014-09-22 11:39:45 +01:00

qemu-file-stdio.c

qemu-file: Move stdio implementation to qemu-file-stdio.c

2014-10-14 10:29:28 +02:00

qemu-file-unix.c

qemu-file: Move unix and socket implementations to qemu-file-unix.c

2014-10-14 10:29:28 +02:00

qemu-file.c

qemu-file: Move stdio implementation to qemu-file-stdio.c

2014-10-14 10:29:28 +02:00

qemu-img-cmds.hx

qemu-img: Allow cache mode specification for amend

2014-08-22 14:54:48 +02:00

qemu-img.c

qemu-img: Print error if check failed

2014-10-23 19:42:07 +02:00

qemu-img.texi

block: delete cow block driver

2014-09-22 11:39:45 +01:00

qemu-io-cmds.c

qemu-io: Respect early image end for map

2014-10-23 15:34:02 +02:00

qemu-io.c

block: Make BlockBackend own its BlockDriverState

2014-10-20 13:41:26 +02:00

qemu-log.c

…

qemu-nbd.c

block: Make BlockBackend own its BlockDriverState

2014-10-20 13:41:26 +02:00

qemu-nbd.texi

nbd: Miscellaneous typo fixes.

2014-05-24 00:07:29 +04:00

qemu-options-wrapper.h

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qemu-options.h

…

qemu-options.hx

aio / timers: De-document -clock

2014-10-27 16:11:45 +01:00

qemu-seccomp.c

seccomp: add semctl() to the syscall whitelist

2014-08-21 10:29:16 +02:00

qemu-tech.texi

…

qemu-timer.c

vl.c: remove init_clocks call from main

2014-05-09 20:57:32 +02:00

qemu.nsi

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qemu.sasl

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qmp-commands.hx

add input-send-event command

2014-10-02 09:58:14 +02:00

qmp.c

qmp: Print descriptions of object properties

2014-10-15 05:03:15 +02:00

qtest.c

qtest: fix qtest log fd should be initialized before qtest chardev

2014-10-23 16:41:27 +02:00

README

…

rules.mak

Fix cross compilation (nm command)

2014-09-19 17:20:11 +01:00

savevm.c

snapshot: Reset err to NULL to avoid double free

2014-11-03 09:48:41 +00:00

softmmu_template.h

implementing victim TLB for QEMU system emulated TLB

2014-09-01 17:43:06 +01:00

spice-qemu-char.c

qemu-char: Rename register_char_driver_qapi() to register_char_driver()

2014-09-16 23:36:32 +01:00

tcg-runtime.c

tcg: Push tcg-runtime routines into exec/helper-*

2014-05-28 09:33:54 -07:00

tci.c

Merge remote-tracking branch 'remotes/bonzini/softmmu-smap' into staging

2014-06-05 21:06:14 +01:00

thread-pool.c

block: Rename BlockDriverCompletionFunc to BlockCompletionFunc

2014-10-20 13:41:27 +02:00

thunk.c

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tpm.c

…

trace-events

hw: Convert from BlockDriverState to BlockBackend, mostly

2014-10-20 14:02:25 +02:00

translate-all.c

translate-all.c: memory walker initial address miscalculation

2014-10-06 21:53:35 +03:00

translate-all.h

…

user-exec.c

softmmu: introduce cpu_ldst.h

2014-06-05 16:10:33 +02:00

VERSION

Open 2.2 development tree

2014-08-01 18:30:08 +01:00

version.rc

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vl.c

Make qemu_shutdown_requested signal-safe

2014-10-27 14:09:27 +00:00

vmstate.c

vmstate: Allow dynamic allocation for VBUFFER during migration

2014-10-14 09:35:48 +02:00

xbzrle.c

…

xen-common-stub.c

accel: Move Xen registration code to xen-common.c

2014-10-04 08:59:15 +02:00

xen-common.c

accel: Pass MachineState object to accel init functions

2014-10-09 12:57:10 +02:00

xen-hvm-stub.c

xen-hvm: Fix xen_hvm_init() to adjust pc memory layout

2014-06-23 17:50:04 +03:00

xen-hvm.c

xen-hvm.c: Add support for Xen access to vmport

2014-10-30 14:16:38 +00:00

xen-mapcache.c

xen: build on ARM

2014-07-07 10:37:40 +00:00

README

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

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