This callback is used to set default value in following patch "object:
add object_property_set_defaut_{bool,str,int,uint}()".
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200110153039.1379601-7-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Like object properties, no need to duplicate property name, as it is
owned already by ObjectProperty value.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200110153039.1379601-6-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Move the one-user function to the place it is being used.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200110153039.1379601-5-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
All callers use error_abort, and even the function itself calls with
error_abort.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200110153039.1379601-4-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The function is already documented in the header.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200110153039.1379601-3-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Type system checked that children class_size >= parent class_size, but
not instances. Fix that.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200110153039.1379601-2-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Commit af0440ae85 moved the qemu_tcg_configure() function,
but introduced extraneous 'include/' in the includes path.
As it is not necessary, remove it.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20200121110349.25842-11-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
We actually want to access the accelerator, not the machine, so
use the current_accel() wrapper instead.
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200121110349.25842-10-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The accel/ code only accesses the MachineState::accel field.
As we simply want to access the accelerator, not the machine,
add a current_accel() wrapper.
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20200121110349.25842-9-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
QEMU object model is scarse in documentation. Some calls are
recursive, and it might be hard to figure out even trivial issues.
We can avoid developers to waste time in a debugging session by
displaying a simple error message.
This commit is also similar to e02bdf1cec ("Display more helpful
message when an object type is missing").
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20200121110349.25842-7-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
KVMState is already accessible via CPUState::kvm_state, use it.
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200121110349.25842-5-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
We only access this variable in the RTAS_SYSPARM_SPLPAR_CHARACTERISTICS
case. Use it in place and remove the local declaration.
Suggested-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200121110349.25842-4-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
We received a SpaprMachineState argument. Since SpaprMachineState
inherits of MachineState, use it instead of calling qdev_get_machine.
Reviewed-by: Greg Kurz <groug@kaod.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200121110349.25842-3-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Since we have the MachineState already available locally,
use it instead of the global current_machine.
Reviewed-by: Greg Kurz <groug@kaod.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200121110349.25842-2-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Use virtio_delete_queue to make it more clear.
Signed-off-by: Pan Nengyuan <pannengyuan@huawei.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20200117075547.60864-3-pannengyuan@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
KVM can return the host microcode revision as a feature MSR.
Use it as the default value for -cpu host.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1579544504-3616-4-git-send-email-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Add the property and plumb it in TCG and HVF (the latter of which
tried to support returning a constant value but used the wrong MSR).
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1579544504-3616-3-git-send-email-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Some read-only MSRs affect the behavior of ioctls such as
KVM_SET_NESTED_STATE. We can initialize them once and for all
right after the CPU is realized, since they will never be modified
by the guest.
Reported-by: Qingua Cheng <qcheng@redhat.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1579544504-3616-2-git-send-email-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
To ease review/modifications of this Makefile, group generic
objects first, then system-mode specific ones, and finally
peripherals (which are only used in system-mode).
No logical changes introduced here.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200118140619.26333-7-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The user-mode code does not use this API, restrict it
to the system-mode.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20200118140619.26333-6-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
It is pointless to keep qapi/ object separate from the other
common-objects. Drop the comment.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20200118140619.26333-5-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Restrict all the system emulation and tools objects with a
Makefile IF (CONFIG_SOFTMMU OR CONFIG_TOOLS) check.
Using the same description over and over is not very helpful.
Use it once, just before the if() block.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20200118140619.26333-4-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
QEMU user-mode also requires the qom/ objects, it is not only
used by "system emulation and qemu-img". As we will use a big
if() block, move it upper in the "Common libraries for tools
and emulators" section.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20200118140619.26333-3-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
We only require libfdt for system emulation, in a small set
of architecture:
4077 # fdt support is mandatory for at least some target architectures,
4078 # so insist on it if we're building those system emulators.
4079 fdt_required=no
4080 for target in $target_list; do
4081 case $target in
4082 aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu)
4083 fdt_required=yes
Do not build libfdt if we did not manually specified --enable-fdt,
or have one of the platforms that require it in our target list.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20200118140619.26333-2-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
We don't need to explicit this obvious switch fall through.
Stay consistent with the rest of the codebase.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20191218192526.13845-7-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
We don't need to explicit these obvious switch fall through
comments. Stay consistent with the rest of the codebase.
Suggested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20191218192526.13845-6-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
GCC9 is confused by this comment when building with CFLAG
-Wimplicit-fallthrough=2:
hw/net/imx_fec.c: In function ‘imx_eth_write’:
hw/net/imx_fec.c:906:12: error: this statement may fall through [-Werror=implicit-fallthrough=]
906 | if (unlikely(single_tx_ring)) {
| ^
hw/net/imx_fec.c:912:5: note: here
912 | case ENET_TDAR: /* FALLTHROUGH */
| ^~~~
cc1: all warnings being treated as errors
Rewrite the comments in the correct place, using 'fall through'
which is recognized by GCC and static analyzers.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20191218192526.13845-5-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reported by GCC9 when building with CFLAG -Wimplicit-fallthrough=2:
hw/timer/aspeed_timer.c: In function ‘aspeed_timer_set_value’:
hw/timer/aspeed_timer.c:283:24: error: this statement may fall through [-Werror=implicit-fallthrough=]
283 | if (old_reload || !t->reload) {
| ~~~~~~~~~~~^~~~~~~~~~~~~
hw/timer/aspeed_timer.c:287:5: note: here
287 | case TIMER_REG_STATUS:
| ^~~~
cc1: all warnings being treated as errors
Add the missing fall through comment.
Fixes: 1403f36447
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20191218192526.13845-4-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
When building with GCC9 using CFLAG -Wimplicit-fallthrough=2 we get:
hw/display/tcx.c: In function ‘tcx_dac_writel’:
hw/display/tcx.c:453:26: error: this statement may fall through [-Werror=implicit-fallthrough=]
453 | s->dac_index = (s->dac_index + 1) & 0xff; /* Index autoincrement */
| ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
hw/display/tcx.c:454:9: note: here
454 | default:
| ^~~~~~~
hw/display/tcx.c: In function ‘tcx_dac_readl’:
hw/display/tcx.c:412:22: error: this statement may fall through [-Werror=implicit-fallthrough=]
412 | s->dac_index = (s->dac_index + 1) & 0xff; /* Index autoincrement */
| ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
hw/display/tcx.c:413:5: note: here
413 | default:
| ^~~~~~~
cc1: all warnings being treated as errors
Give a hint to GCC by adding the missing fall through comments.
Fixes: 55d7bfe22
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20191218192526.13845-3-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
When building with GCC9 using CFLAG -Wimplicit-fallthrough=2 we get:
audio/audio.c: In function ‘audio_pcm_init_info’:
audio/audio.c:306:14: error: this statement may fall through [-Werror=implicit-fallthrough=]
306 | sign = 1;
| ~~~~~^~~
audio/audio.c:307:5: note: here
307 | case AUDIO_FORMAT_U8:
| ^~~~
cc1: all warnings being treated as errors
Similarly to e46349414, add the missing fall through comment to
hint GCC.
Fixes: 2b9cce8c8c
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20191218192526.13845-2-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
When adding new devices implementing QOM interfaces, we might
forgot to add the Kconfig dependency that pulls the required
objects in when building.
Since QOM dependencies are resolved at runtime, we don't get any
link-time failures, and QEMU aborts while starting:
$ qemu ...
Segmentation fault (core dumped)
(gdb) bt
#0 0x00007ff6e96b1e35 in raise () from /lib64/libc.so.6
#1 0x00007ff6e969c895 in abort () from /lib64/libc.so.6
#2 0x00005572bc5051cf in type_initialize (ti=0x5572be6f1200) at qom/object.c:323
#3 0x00005572bc505074 in type_initialize (ti=0x5572be6f1800) at qom/object.c:301
#4 0x00005572bc505074 in type_initialize (ti=0x5572be6e48e0) at qom/object.c:301
#5 0x00005572bc506939 in object_class_by_name (typename=0x5572bc56109a) at qom/object.c:959
#6 0x00005572bc503dd5 in cpu_class_by_name (typename=0x5572bc56109a, cpu_model=0x5572be6d9930) at hw/core/cpu.c:286
Since the caller has access to the qdev parent/interface names,
we can simply display them to avoid starting a debugger:
$ qemu ...
qemu: missing interface 'fancy-if' for object 'fancy-dev'
Aborted (core dumped)
This commit is similar to e02bdf1cec ("Display more helpful message
when an object type is missing").
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200118162348.17823-1-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Handle bit 1 write, then post event to monitor.
Suggested by Paolo, declear a new event, using GUEST_PANICKED could
cause upper layers to react by shutting down or rebooting the guest.
In advance for extention, add GuestPanicInformation in event message.
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
Message-Id: <20200114023102.612548-3-pizhenwei@bytedance.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Add bit 1 for pvpanic. This bit means that guest hits a panic, but
guest wants to handle error by itself. Typical case: Linux guest runs
kdump in panic. It will help us to separate the abnormal reboot from
normal operation.
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
Message-Id: <20200114023102.612548-2-pizhenwei@bytedance.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Convert all targets to use cpu_class_set_parent_reset() with the following
coccinelle script:
@@
type CPUParentClass;
CPUParentClass *pcc;
CPUClass *cc;
identifier parent_fn;
identifier child_fn;
@@
+cpu_class_set_parent_reset(cc, child_fn, &pcc->parent_fn);
-pcc->parent_fn = cc->reset;
...
-cc->reset = child_fn;
Signed-off-by: Greg Kurz <groug@kaod.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Acked-by: David Hildenbrand <david@redhat.com>
Message-Id: <157650847817.354886.7047137349018460524.stgit@bahia.lan>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Similarly to what we already do with qdev, use a helper to overload the
reset QOM methods of the parent in children classes, for clarity.
Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <157650847239.354886.2782881118916307978.stgit@bahia.lan>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Another set of build-sys patches, to help building the firmware
binaries we use for testing. We almost have reproducible builds.
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Merge remote-tracking branch 'remotes/philmd-gitlab/tags/edk2-next-20200121' into staging
EDK2 firmware patches
Another set of build-sys patches, to help building the firmware
binaries we use for testing. We almost have reproducible builds.
# gpg: Signature made Tue 21 Jan 2020 15:14:09 GMT
# gpg: using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD 6BB2 E3E3 2C2C DEAD C0DE
* remotes/philmd-gitlab/tags/edk2-next-20200121:
gitlab-ci.yml: Add jobs to build EDK2 firmware binaries
roms/edk2-funcs: Force softfloat ARM toolchain prefix on Debian
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add two GitLab job to build the EDK2 firmware binaries.
The first job build a Docker image with the packages requisite
to build EDK2, and store this image in the GitLab registry.
The second job pull the image from the registry and build the
EDK2 firmware binaries.
The docker image is only rebuilt if the GitLab YAML or the
Dockerfile is updated.
The second job is only built when the roms/edk2/ submodule is
updated, when a git-ref starts with 'edk2' or when the last
commit contains 'EDK2'. The files generated are archived in
the artifacts.zip file.
With edk2-stable201905, it took 2 minutes 52 seconds to build
the docker image, and 36 minutes 28 seconds to generate the
artifacts.zip with the firmware binaries (filesize: 10MiB).
See: https://gitlab.com/philmd/qemu/pipelines/107553178
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Acked-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
The Debian (based) distributions currently provides 2 ARM
toolchains, documented as [1]:
* The ARM EABI (armel) port targets a range of older 32-bit ARM
devices, particularly those used in NAS hardware and a variety
of *plug computers.
* The newer ARM hard-float (armhf) port supports newer, more
powerful 32-bit devices using version 7 of the ARM architecture
specification.
For various reasons documented in [2], the EDK2 project suggests
to use the softfloat toolchain (named 'armel' by Debian).
Force the softfloat cross toolchain prefix on Debian distributions.
[1] https://www.debian.org/ports/arm/#status
[2] https://github.com/tianocore/edk2/commit/41203b9a
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
A regression that was introduced, with the refactor to TranslatorOps,
drops two lines that update the PC when single-stepping is being performed.
Fixes: 11ab74b01e ("target/m68k: Convert to TranslatorOps")
Reported-by: Lucien Murray-Pitts <lucienmp_antispam@yahoo.com>
Suggested-by: Lucien Murray-Pitts <lucienmp_antispam@yahoo.com>
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20200116165454.2076265-1-laurent@vivier.eu>
The MANUAL_BUILDDIR directory is automatically created by sphinx-build
for the other targets. The index.html target does not use sphinx-build
so we must manually create the directory to avoid the following error:
GEN docs/built/index.html
/bin/sh: docs/built/index.html: No such file or directory
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20200120163400.603449-1-stefanha@redhat.com
Reviewed-by: Miroslav Rezanina <mrezanin@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
'out' label in v9fs_xattr_write() and 'out_nofid' label in
v9fs_complete_rename() can be replaced by appropriate return
calls.
CC: Greg Kurz <groug@kaod.org>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Acked-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Greg Kurz <groug@kaod.org>
'err_out' can be removed and be replaced by 'return -errno'
in its only instance in the function.
CC: Greg Kurz <groug@kaod.org>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Acked-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Greg Kurz <groug@kaod.org>
init_in_iov_from_pdu might not be able to allocate the full buffer size
requested, which comes from the client and could be larger than the
transport has available at the time of the request. Specifically, this
can happen with read operations, with the client requesting a read up to
the max allowed, which might be more than the transport has available at
the time.
Today the implementation of init_in_iov_from_pdu throws an error, both
Xen and Virtio.
Instead, change the V9fsTransport interface so that the size becomes a
pointer and can be limited by the implementation of
init_in_iov_from_pdu.
Change both the Xen and Virtio implementations to set the size to the
size of the buffer they managed to allocate, instead of throwing an
error. However, if the allocated buffer size is less than P9_IOHDRSZ
(the size of the header) still throw an error as the case is unhandable.
Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com>
CC: groug@kaod.org
CC: anthony.perard@citrix.com
CC: roman@zededa.com
CC: qemu_oss@crudebyte.com
[groug: fix 32-bit build]
Signed-off-by: Greg Kurz <groug@kaod.org>
local_unlinkat_common() is supposed to always return -1 on error.
This is being done by jumps to the 'err_out' label, which is
a 'return ret' call, and 'ret' is initialized with -1.
Unfortunately there is a condition in which the function will
return 0 on error: in a case where flags == AT_REMOVEDIR, 'ret'
will be 0 when reaching
map_dirfd = openat_dir(...)
And, if map_dirfd == -1 and errno != ENOENT, the existing 'err_out'
jump will execute 'return ret', when ret is still set to zero
at that point.
This patch fixes it by changing all 'err_out' labels by
'return -1' calls, ensuring that the function will always
return -1 on error conditions. 'ret' can be left unintialized
since it's now being used just to store the result of 'unlinkat'
calls.
CC: Greg Kurz <groug@kaod.org>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
[groug: changed prefix in title to be "9p: local:"]
Signed-off-by: Greg Kurz <groug@kaod.org>
There is a possible memory leak while local_link return -1 without free
odirpath and oname.
Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Jaijun Chen <chenjiajun8@huawei.com>
Signed-off-by: Xiang Zheng <zhengxiang9@huawei.com>
Reviewed-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Greg Kurz <groug@kaod.org>
Recent commit 3e7fb5811b "qapi: Fix code generation for empty modules"
modules" switched QAPISchema.visit() from
for entity in self._entity_list:
effectively to
for mod in self._module_dict.values():
for entity in mod._entity_list:
Visits in the same order as long as .values() is in insertion order.
That's the case only for Python 3.6 and later. Before, it's in some
arbitrary order, which results in broken generated code.
Fix by making self._module_dict an OrderedDict rather than a dict.
Fixes: 3e7fb5811b
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Thomas Huth <thuth@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: BALATON Zoltan <balaton@eik.bme.hu>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20200116202558.31473-1-armbru@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Merge remote-tracking branch 'remotes/juanquintela/tags/migration-pull-pull-request' into staging
Migration pull request
# gpg: Signature made Mon 20 Jan 2020 10:29:53 GMT
# gpg: using RSA key 1899FF8EDEBF58CCEE034B82F487EF185872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>" [full]
# gpg: aka "Juan Quintela <quintela@trasno.org>" [full]
# Primary key fingerprint: 1899 FF8E DEBF 58CC EE03 4B82 F487 EF18 5872 D723
* remotes/juanquintela/tags/migration-pull-pull-request: (29 commits)
multifd: Be consistent about using uint64_t
migration: Support QLIST migration
apic: Use 32bit APIC ID for migration instance ID
migration: Change SaveStateEntry.instance_id into uint32_t
migration: Define VMSTATE_INSTANCE_ID_ANY
Bug #1829242 correction.
migration/multifd: fix destroyed mutex access in terminating multifd threads
migration/multifd: fix nullptr access in terminating multifd threads
migration/multifd: not use multifd during postcopy
migration/multifd: clean pages after filling packet
migration/postcopy: enable compress during postcopy
migration/postcopy: enable random order target page arrival
migration/postcopy: set all_zero to true on the first target page
migration/postcopy: count target page number to decide the place_needed
migration/postcopy: wait for decompress thread in precopy
migration/postcopy: reduce memset when it is zero page and matches_target_page_size
migration/ram: Yield periodically to the main loop
migration: savevm_state_handler_insert: constant-time element insertion
migration: add savevm_state_handler_remove()
misc: use QEMU_IS_ALIGNED
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Marc-André Lureau