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Hu Tao fc7a5800ad exec: add parameter errp to gethugepagesize 
Add parameter errp to gethugepagesize thus callers can handle errors.

If user adds a memory-backend-file object using object_add command,
specifying a non-existing directory for property mem-path, qemu will
core dump with message:

  /nonexistingdir: No such file or directory
  Bad ram offset fffffffffffff000
  Aborted (core dumped)

This patch fixes the problem. With this patch, qemu reports an error
message like:

  qemu-system-x86_64: -object memory-backend-file,mem-path=/nonexistingdir,id=mem-file0,size=128M:
  failed to get page size of file /nonexistingdir: No such file or directory

Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-09-09 13:41:44 +02:00
audio
audio: Drop superfluous conditionals around g_free()
2014-06-13 12:34:54 +02:00
backends
hostmem-ram: don't exit qemu if size of memory-backend-ram is way too big
2014-09-09 13:41:44 +02:00
block
curl: The macro that you have to uncomment to get debugging is DEBUG_CURL.
2014-09-02 22:38:16 +04:00
bsd-user
bsd-user: Fix syscall format, add strace support for more syscalls
2014-06-11 00:25:06 +01:00
default-configs
target-tricore: Add initialization for translation and activate target
2014-09-01 14:49:20 +01:00
disas
disas/libvixl: Update to upstream VIXL 1.5
2014-08-29 15:00:27 +01:00
docs
Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
2014-08-19 13:00:57 +01:00
dtc @ bc895d6d09
…
fpu
fpu: softfloat: drop INLINE macro
2014-06-23 11:00:12 -04:00
fsdev
virtfs-proxy-helper: fix call to accept
2014-04-28 08:55:32 +04:00
gdb-xml
s390x/gdb: add the feature xml files for s390x
2014-09-01 09:45:19 +02:00
hw
memory: add parameter errp to memory_region_init_rom_device
2014-09-09 13:41:44 +02:00
include
memory: add parameter errp to memory_region_init_rom_device
2014-09-09 13:41:44 +02:00
libcacard
vscclient: Add required headers to fix build on FreeBSD
2014-06-24 20:01:24 +04:00
libdecnumber
libdecnumber: Fix warnings from smatch (missing static, boolean operations)
2014-08-24 13:21:06 +04:00
linux-headers
linux-headers: update linux headers to kvm/next
2014-06-16 13:24:41 +02:00
linux-user
linux-user: fix file descriptor leaks
2014-08-24 13:18:28 +04:00
net
Merge remote-tracking branch 'remotes/stefanha/tags/net-pull-request' into staging
2014-09-04 17:39:07 +01:00
pc-bios
pc-bios/s390-ccw.img binary update
2014-09-01 09:23:02 +02:00
pixman @ 97336fad32
…
po
po: Fix Makefile rules for in-tree builds without configuration
2014-08-24 13:16:42 +04:00
qapi
qapi: add read-pattern enum for quorum
2014-08-29 10:46:58 +01:00
qga
channel-posix: using qemu_set_nonblock() instead of fcntl(O_NONBLOCK)
2014-08-15 18:03:13 +01:00
qobject
json-lexer: fix escaped backslash in single-quoted string
2014-06-23 11:01:24 -04:00
qom
qom: Add automatic arrayification to object_property_add()
2014-09-04 16:14:47 +02:00
roms
Update OpenBIOS images
2014-08-26 13:52:15 +01:00
scripts
scripts: Remove scripts/qtest
2014-09-02 22:38:16 +04:00
slirp
slirp/misc: Use the GLib memory allocation APIs
2014-08-24 13:16:32 +04:00
stubs
monitor: fix use after free
2014-08-18 14:39:10 -04:00
sysconfigs/target
…
target-alpha
trace: [tcg] Include TCG-tracing header on all targets
2014-08-12 14:26:12 +01:00
target-arm
target-arm: Implement pmccfiltr_write function
2014-08-29 15:00:30 +01:00
target-cris
trace: [tcg] Include TCG-tracing header on all targets
2014-08-12 14:26:12 +01:00
target-i386
target-i386: Reject invalid CPU feature names on the command-line
2014-09-05 16:37:07 +02:00
target-lm32
trace: [tcg] Include TCG-tracing header on all targets
2014-08-12 14:26:12 +01:00
target-m68k
trace: [tcg] Include TCG-tracing header on all targets
2014-08-12 14:26:12 +01:00
target-microblaze
trace: [tcg] Include TCG-tracing header on all targets
2014-08-12 14:26:12 +01:00
target-mips
trace: [tcg] Include TCG-tracing header on all targets
2014-08-12 14:26:12 +01:00
target-moxie
softmmu: introduce cpu_ldst.h
2014-06-05 16:10:33 +02:00
target-openrisc
trace: [tcg] Include TCG-tracing header on all targets
2014-08-12 14:26:12 +01:00
target-ppc
spapr: Add support for new NMI interface
2014-08-25 13:25:16 +02:00
target-s390x
s390x/gdb: coding style fixes
2014-09-01 09:45:19 +02:00
target-sh4
trace: [tcg] Include TCG-tracing header on all targets
2014-08-12 14:26:12 +01:00
target-sparc
target-sparc64: implement Short Floating-Point Store Instructions
2014-08-17 13:24:27 +01:00
target-tricore
target-tricore: Add instructions of SR opcode format
2014-09-01 14:49:21 +01:00
target-unicore32
trace: [tcg] Include TCG-tracing header on all targets
2014-08-12 14:26:12 +01:00
target-xtensa
trace: [tcg] Include TCG-tracing header on all targets
2014-08-12 14:26:12 +01:00
tcg
tcg: dump op count into qemu log
2014-08-24 13:16:32 +04:00
tests
Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging
2014-08-29 18:40:04 +01:00
trace
trace: Only link generated-tracers.o with "simple" backend
2014-09-09 13:13:05 +02:00
ui
spice: make sure we don't overflow ssd->buf
2014-09-05 12:19:50 +02:00
util
util: Don't link host-utils.o if it's empty
2014-09-09 13:13:05 +02:00
.exrc
…
.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
Update mailmap
2013-09-05 09:40:31 -05:00
.travis.yml
trace: Multi-backend tracing
2014-06-09 15:43:40 +02:00
aio-posix.c
AioContext: introduce aio_prepare
2014-08-29 10:46:58 +01:00
aio-win32.c
aio-win32: add support for sockets
2014-08-29 10:46:58 +01:00
arch_init.c
target-tricore: Add target stubs and qom-cpu
2014-09-01 14:49:20 +01:00
async.c
AioContext: introduce aio_prepare
2014-08-29 10:46:58 +01:00
balloon.c
qapi event: convert BALLOON_CHANGE
2014-06-23 11:12:28 -04:00
block-migration.c
block: Use g_new() & friends where that makes obvious sense
2014-08-20 11:51:28 +02:00
block.c
block: fix overlapping multiwrite requests
2014-08-29 14:09:43 +01:00
blockdev-nbd.c
block: Use g_new() & friends where that makes obvious sense
2014-08-20 11:51:28 +02:00
blockdev.c
block: acquire AioContext in do_drive_del()
2014-08-29 16:01:10 +01:00
blockjob.c
coroutine: Drop co_sleep_ns
2014-08-29 10:46:58 +01:00
bt-host.c
…
bt-vhci.c
…
Changelog
Use qemu-project.org domain name
2013-10-11 09:34:56 -07:00
CODING_STYLE
CODING_STYLE: Section about conditional statement
2014-08-15 18:54:06 +04:00
configure
target-tricore: Add initialization for translation and activate target
2014-09-01 14:49:20 +01:00
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
target-tricore: Add target stubs and qom-cpu
2014-09-01 14:49:20 +01:00
cpus.c
target-tricore: Add target stubs and qom-cpu
2014-09-01 14:49:20 +01:00
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: Remove unused DriveInfo reference count
2014-06-16 17:23:19 +08:00
disas.c
monitor: QEMU Monitor Instruction Disassembly Incorrect for PowerPC LE Mode
2014-06-16 13:24:26 +02:00
dma-helpers.c
dma-helpers: Fix too long qiov
2014-07-14 12:03:21 +02:00
dump.c
dump.c: Fix memory leak issue in cleanup processing for dump_init()
2014-08-18 14:39:10 -04:00
exec.c
exec: add parameter errp to gethugepagesize
2014-09-09 13:41:44 +02:00
gdbstub.c
exec: Change cpu_breakpoint_{insert,remove{,_by_ref,_all}} argument
2014-03-13 19:20:48 +01:00
HACKING
HACKING: Document vaddr type usage
2013-07-23 02:41:31 +02:00
hmp-commands.hx
cpus: Define callback for QEMU "nmi" command
2014-08-25 13:25:16 +02:00
hmp.c
hmp: fix MemdevList memory leak
2014-09-02 22:38:16 +04:00
hmp.h
hmp: add info memdev
2014-06-19 18:44:21 +03:00
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
AioContext: do not rely on aio_poll(ctx, true) result to end a loop
2014-07-14 12:03:20 +02:00
kvm-all.c
kvm: do not abort if KVM_RUN fails
2014-09-09 13:13:05 +02:00
kvm-stub.c
Add kvm_eventfds_enabled function
2014-06-19 16:41:54 +03:00
LICENSE
LICENSE: clarify
2013-08-12 09:15:12 -05:00
main-loop.c
block: drop aio functions that operate on the main AioContext
2014-07-09 15:50:11 +02:00
MAINTAINERS
MAINTAINERS: Add VMWare devices maintainer
2014-09-02 22:38:16 +04:00
Makefile
Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' into staging
2014-08-15 16:37:17 +01:00
Makefile.objs
Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' into staging
2014-08-15 16:37:17 +01:00
Makefile.target
trace: [tcg] Define TCG tracing helper routines
2014-08-12 14:26:12 +01:00
memory_mapping.c
cpu: Use QTAILQ for CPU list
2013-09-03 12:25:55 +02:00
memory.c
memory: add parameter errp to memory_region_init_rom_device
2014-09-09 13:41:44 +02:00
migration-exec.c
aio / timers: Untangle include files
2013-08-22 19:10:27 +02:00
migration-fd.c
aio / timers: Untangle include files
2013-08-22 19:10:27 +02:00
migration-rdma.c
rdma: bug fixes
2014-06-23 19:09:50 +02:00
migration-tcp.c
Coverity: Fix failure path for qemu_accept in migration
2014-05-05 22:15:03 +02:00
migration-unix.c
Coverity: Fix failure path for qemu_accept in migration
2014-05-05 22:15:03 +02:00
migration.c
migration: catch unknown flags in ram_load
2014-06-16 04:55:27 +02:00
module-common.c
module: implement module loading
2014-02-20 13:14:18 +01:00
monitor.c
monitor: fix use after free
2014-08-18 14:39:10 -04:00
nbd.c
nbd: Follow the BDS' AIO context
2014-08-29 10:48:45 +01:00
numa.c
memory: add parameter errp to memory_region_init_ram
2014-09-09 13:41:43 +02:00
os-posix.c
oslib-posix: Fix build on FreeBSD
2014-03-13 14:34:16 +00:00
os-win32.c
util: Split out exec_dir from os_find_datadir
2014-02-20 13:12:54 +01:00
page_cache.c
migration: Plug memory leak in migrate-set-cache-size command
2014-06-10 19:54:43 +04:00
qapi-schema.json
cpus: Define callback for QEMU "nmi" command
2014-08-25 13:25:16 +02:00
qdev-monitor.c
Merge remote-tracking branch 'remotes/mjt/tags/trivial-patches-2014-08-15' into staging
2014-08-15 18:44:48 +01:00
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
pty: Fix byte loss bug when connecting to pty
2014-09-05 13:27:10 +02:00
qemu-coroutine-io.c
qemu-coroutine-io: fix for Win32
2014-08-29 10:46:58 +01:00
qemu-coroutine-lock.c
coroutine: remove qemu_co_queue_wait_insert_head
2013-12-02 17:11:49 +01:00
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
doc: slirp supports ICMP echo if enabled in Linux
2014-07-18 17:45:37 +04:00
qemu-file.c
Make qemu_peek_buffer loop until it gets it's data
2014-05-05 22:15:03 +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: always goto out in img_snapshot() error paths
2014-08-29 10:46:57 +01:00
qemu-img.texi
qemu-img: Allow cache mode specification for amend
2014-08-22 14:54:48 +02:00
qemu-io-cmds.c
qemu-io-cmds: g_renew() can't fail, bury dead error handling
2014-08-20 11:51:28 +02:00
qemu-io.c
block: Use g_new() & friends where that makes obvious sense
2014-08-20 11:51:28 +02:00
qemu-log.c
…
qemu-nbd.c
nbd: Shutdown socket before closing.
2014-06-30 12:50:12 +02:00
qemu-nbd.texi
nbd: Miscellaneous typo fixes.
2014-05-24 00:07:29 +04:00
qemu-options-wrapper.h
…
qemu-options.h
…
qemu-options.hx
Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
2014-09-02 16:07:31 +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
nsis: Improved support for parallel installation of 32 and 64 bit code
2013-11-07 07:02:44 +01:00
qemu.sasl
sasl: Avoid 'Could not find keytab file' in syslog
2014-03-15 13:54:18 +04:00
qmp-commands.hx
cpus: Define callback for QEMU "nmi" command
2014-08-25 13:25:16 +02:00
qmp.c
qmp: hide "hotplugged" device property from device-list-properties
2014-08-15 15:07:13 +02:00
qtest.c
icount: Add QemuOpts for icount
2014-08-06 17:53:07 +02:00
README
Use qemu-project.org domain name
2013-10-11 09:34:56 -07:00
rules.mak
rules.mak: Fix DSO build by pulling in archive symbols
2014-09-09 13:13:05 +02:00
savevm.c
savevm: check vmsd for migratability status
2014-06-25 23:54:57 +02:00
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: introduce qemu_chr_alloc
2014-06-23 11:12:28 -04:00
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
thread-pool: avoid deadlock in nested aio_poll() calls
2014-08-15 15:07:14 +02:00
thunk.c
…
tpm.c
Use error_is_set() only when necessary
2014-02-17 11:57:23 -05:00
trace-events
usb: add usb host adapters exit trace
2014-08-29 12:52:14 +02:00
translate-all.c
trace: add some tcg tracing support
2014-08-12 14:26:12 +01:00
translate-all.h
translate-all: Change tb_check_watchpoint() argument to CPUState
2014-03-13 19:20:48 +01:00
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
Use qemu-project.org domain name
2013-10-11 09:34:56 -07:00
vl.c
machine: Clean up -machine handling
2014-09-04 16:14:47 +02:00
vmstate.c
vmstate: Add preallocation for migrating arrays (VMS_ALLOC flag)
2014-06-27 13:48:27 +02:00
xbzrle.c
xbzrle.c: Avoid undefined behaviour with signed arithmetic
2014-04-18 10:33:36 +04:00
xen-common-stub.c
xen: factor out common functions
2014-05-07 16:16:43 +00:00
xen-common.c
xen: factor out common functions
2014-05-07 16:16:43 +00:00
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
memory: add parameter errp to memory_region_init_ram
2014-09-09 13:41:43 +02:00
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

- QEMU team
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Original Xbox Emulator for Windows, macOS, and Linux (Active Development)
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