commit a6f230c move blockbackend back to main AioContext on unplug. It set the AioContext of
SCSIDevice to the main AioContex, but s->ctx is still the iothread AioContex（if the scsi controller
is configure with iothread）. So if there are having in-flight requests during unplug, a failing assertion
happend. The bt is below:
(gdb) bt
#0 0x0000ffff86aacbd0 in raise () from /lib64/libc.so.6
#1 0x0000ffff86aadf7c in abort () from /lib64/libc.so.6
#2 0x0000ffff86aa6124 in __assert_fail_base () from /lib64/libc.so.6
#3 0x0000ffff86aa61a4 in __assert_fail () from /lib64/libc.so.6
#4 0x0000000000529118 in virtio_scsi_ctx_check (d=<optimized out>, s=<optimized out>, s=<optimized out>) at /home/qemu-4.0.0/hw/scsi/virtio-scsi.c:246
#5 0x0000000000529ec4 in virtio_scsi_handle_cmd_req_prepare (s=0x2779ec00, req=0xffff740397d0) at /home/qemu-4.0.0/hw/scsi/virtio-scsi.c:559
#6 0x000000000052a228 in virtio_scsi_handle_cmd_vq (s=0x2779ec00, vq=0xffff7c6d7110) at /home/qemu-4.0.0/hw/scsi/virtio-scsi.c:603
#7 0x000000000052afa8 in virtio_scsi_data_plane_handle_cmd (vdev=<optimized out>, vq=0xffff7c6d7110) at /home/qemu-4.0.0/hw/scsi/virtio-scsi-dataplane.c:59
#8 0x000000000054d94c in virtio_queue_host_notifier_aio_poll (opaque=<optimized out>) at /home/qemu-4.0.0/hw/virtio/virtio.c:2452
assert(blk_get_aio_context(d->conf.blk) == s->ctx) failed.
To avoid assertion failed, moving the "if" after qdev_simple_device_unplug_cb.
In addition, to avoid another qemu crash below, add aio_disable_external before
qdev_simple_device_unplug_cb, which disable the further processing of external clients
when doing qdev_simple_device_unplug_cb.
(gdb) bt
#0 scsi_req_unref (req=0xffff6802c6f0) at hw/scsi/scsi-bus.c:1283
#1 0x00000000005294a4 in virtio_scsi_handle_cmd_req_submit (req=<optimized out>,
s=<optimized out>) at /home/qemu-4.0.0/hw/scsi/virtio-scsi.c:589
#2 0x000000000052a2a8 in virtio_scsi_handle_cmd_vq (s=s@entry=0x9c90e90,
vq=vq@entry=0xffff7c05f110) at /home/qemu-4.0.0/hw/scsi/virtio-scsi.c:625
#3 0x000000000052afd8 in virtio_scsi_data_plane_handle_cmd (vdev=<optimized out>,
vq=0xffff7c05f110) at /home/qemu-4.0.0/hw/scsi/virtio-scsi-dataplane.c:60
#4 0x000000000054d97c in virtio_queue_host_notifier_aio_poll (opaque=<optimized out>)
at /home/qemu-4.0.0/hw/virtio/virtio.c:2447
#5 0x00000000009b204c in run_poll_handlers_once (ctx=ctx@entry=0x6efea40,
timeout=timeout@entry=0xffff7d7f7308) at util/aio-posix.c:521
#6 0x00000000009b2b64 in run_poll_handlers (ctx=ctx@entry=0x6efea40,
max_ns=max_ns@entry=4000, timeout=timeout@entry=0xffff7d7f7308) at util/aio-posix.c:559
#7 0x00000000009b2ca0 in try_poll_mode (ctx=ctx@entry=0x6efea40, timeout=0xffff7d7f7308,
timeout@entry=0xffff7d7f7348) at util/aio-posix.c:594
#8 0x00000000009b31b8 in aio_poll (ctx=0x6efea40, blocking=blocking@entry=true)
at util/aio-posix.c:636
#9 0x00000000006973cc in iothread_run (opaque=0x6ebd800) at iothread.c:75
#10 0x00000000009b592c in qemu_thread_start (args=0x6efef60) at util/qemu-thread-posix.c:502
#11 0x0000ffff8057f8bc in start_thread () from /lib64/libpthread.so.0
#12 0x0000ffff804e5f8c in thread_start () from /lib64/libc.so.6
(gdb) p bus
$1 = (SCSIBus *) 0x0
Signed-off-by: Zhengui li <lizhengui@huawei.com>
Message-Id: <1563696502-7972-1-git-send-email-lizhengui@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1563829520-17525-1-git-send-email-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
- docker sphinx updates
- windows build re-enabled in CI
- travis_retry for make check
- build fixes
- docker cache fixes
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Merge remote-tracking branch 'remotes/stsquad/tags/pull-testing-230719-4' into staging
Final testing updates:
- docker sphinx updates
- windows build re-enabled in CI
- travis_retry for make check
- build fixes
- docker cache fixes
# gpg: Signature made Tue 23 Jul 2019 17:20:16 BST
# gpg: using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8 DF35 FBD0 DB09 5A9E 2A44
* remotes/stsquad/tags/pull-testing-230719-4: (23 commits)
tests/docker: Refresh APT cache before installing new packages on Debian
tests/qemu-iotests: Don't use 'seq' in the iotests
tests/qemu-iotests/group: Remove some more tests from the "auto" group
tests/qemu-iotests/check: Allow tests without groups
tests/docker: invoke the DEBUG shell with --noprofile/--norc
travis: enable travis_retry for check phase
hw/i386: also turn off VMMOUSE is VMPORT is disabled
NSIS: Add missing firmware blobs
tests/docker: Let the test-mingw test generate a NSIS installer
buildsys: The NSIS Windows build requires qemu-nsis.bmp installed
buildsys: The NSIS Windows build requires the documentation installed
tests/docker: Install texinfo in the Fedora image
tests/docker: Set the correct cross-PKG_CONFIG_PATH in the MXE images
tests/docker: Install the NSIS tools in the MinGW capable images
tests/docker: Install Sphinx in the Debian images
shippable: re-enable the windows cross builds
tests/dockerfiles: update the win cross builds to stretch
tests/migration-test: don't spam the logs when we fail
tests/docker: Install Ubuntu images noninteractively
tests/docker: Install Sphinx in the Fedora image
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Since docker caches the different layers, updating the package
list does not invalidate the previous "apt-get update" layer,
and it is likely "apt-get install" hits an outdated repository.
See commit beac6a98f6 and
https://docs.docker.com/develop/develop-images/dockerfile_best-practices/#apt-get
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190723141528.18023-1-philmd@redhat.com>
[AJB: manually applies and fixed up]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
The 'seq' command is not available by default on OpenBSD, so these
iotests are currently failing there. It could be installed as 'gseq'
from the coreutils package - but since it is using a different name
there and we are running the iotests with the "bash" shell anyway,
let's simply use the built-in double parentheses for the for-loops
instead.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20190723111201.1926-1-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Remove some more tests from the "auto" group that either have issues
in certain environments (like macOS or FreeBSD, or on certain file systems
like ZFS or tmpfs), do not work with the qcow2 format, or that are simply
taking too much time.
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20190717111947.30356-3-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
The regular expressions in the "check" script currently expect that there
is always a space after the test number in the group file, so you can't
have a test in there without a group unless the line still ends with a
space - which is quite error prone since some editors might remove spaces
at the end of lines automatically.
Thus let's fix the regular expressions so that it is also possible to
have lines with one test number only in the group file.
Suggested-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20190717111947.30356-2-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
It's very confusing when things work in the debug shell because the
environment is different from what the test is running. Fix this by
ensuring we only have the inherited environment from the run shell.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
We have some flaky tests and usually the test passes on a retry.
Enable travis_retry for the test phase and see if that helps keep
things green.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Commit 97fd1ea8c1 broke the build for --without-default-devices as
VMMOUSE depends on VMPORT.
Fixes: 97fd1ea8c1
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Various firmwares has been added in the pc-bios/ directory:
- CCW (since commit 0c1fecdd52)
- skiboot (since commit bcad45de6a)
- EDK2 (since commit f7fa38b74c)
Since we install qemu-system able to run the architectures
targetted by these firmware, include them in the NSIS exe.
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190723070218.3606-1-philmd@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
The NSIS installer generates an executable suitable to install
QEMU on Windows.
Suggested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190715174817.18981-9-philmd@redhat.com>
[AJB: also --enable-docs in configure step]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
The 'makeinfo' is required to generate the documentation from
the 'html' Makefile rule (called by 'install-doc').
The NSIS installer uses these files.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190715174817.18981-6-philmd@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
This silents a bunch of warnings while compiling the Slirp objects:
$ make
[...]
CC slirp/src/tftp.o
Package glib-2.0 was not found in the pkg-config search path.
Perhaps you should add the directory containing `glib-2.0.pc'
to the PKG_CONFIG_PATH environment variable
No package 'glib-2.0' found
CC slirp/src/udp6.o
Package glib-2.0 was not found in the pkg-config search path.
Perhaps you should add the directory containing `glib-2.0.pc'
to the PKG_CONFIG_PATH environment variable
No package 'glib-2.0' found
[...]
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190715174817.18981-5-philmd@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Since commit 5f71eac06e the Sphinx tool is required
to build the rST documentation.
This fixes:
$ ./configure --enable-docs
ERROR: User requested feature docs
configure was not able to find it.
Install texinfo, Perl/perl-podlators and python-sphinx
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190715174817.18981-3-philmd@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
The pkg.mxe.cc repo has been restored.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
While fixing up pkg.mxe.cc they move the URLs around a bit and dropped
Jessie support in favour of Stretch. We also need to update the keys
used to verify the packages.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Quite often the information about which test failed is hidden by the
wall of repeated failures for each page. Stop outputting the error
after 10 bad pages and just summarise the total damage at the end.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
We correctly use the DEBIAN_FRONTEND environment variable on
the Debian images, but forgot the Ubuntu ones are based on it.
Since building docker images is not interactive, we need to
inform the APT tools about it using the DEBIAN_FRONTEND
environment variable (we already use it on our Debian images).
This fixes:
$ make docker-image-ubuntu V=1
[...]
Setting up tzdata (2019b-0ubuntu0.19.04) ...
debconf: unable to initialize frontend: Dialog
debconf: (TERM is not set, so the dialog frontend is not usable.)
debconf: falling back to frontend: Readline
Configuring tzdata
------------------
Please select the geographic area in which you live. Subsequent configuration
questions will narrow this down by presenting a list of cities, representing
the time zones in which they are located.
1. Africa 4. Australia 7. Atlantic 10. Pacific 13. Etc
2. America 5. Arctic 8. Europe 11. SystemV
3. Antarctica 6. Asia 9. Indian 12. US
Geographic area: 12
[HANG]
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20190711124805.26476-1-philmd@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Since commit 5f71eac06e the Sphinx tool is required
to build the rST documentation.
This fixes:
$ ./configure --enable-docs
ERROR: User requested feature docs
configure was not able to find it.
Install texinfo, Perl/perl-podlators and python-sphinx
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20190711102710.2263-1-philmd@redhat.com>
[AJB: also add /usr/libexec/python3-sphinx/ to PATH]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Since commit 5f71eac06e the Sphinx tool is required
to build the rST documentation.
This fixes:
$ ./configure --enable-docs
ERROR: User requested feature docs
configure was not able to find it.
Install texinfo, Perl/perl-podlators and python-sphinx
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190711120609.12773-1-philmd@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Add yet another test type so we cna quickly exercise the miscellaneous
build products of the build system under various docer configurations.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
"git archive" fails when a submodule has a modification, because "git
stash create" doesn't handle submodules. Let's teach our
archive-source.sh to handle modifications in submodules the same way
as qemu tree, by creating a stash.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190708200250.12017-1-marcandre.lureau@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
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Merge remote-tracking branch 'remotes/amarkovic2/tags/mips-queue-jul-23-2019' into staging
MIPS queue for July 23rd, 2019
# gpg: Signature made Mon 22 Jul 2019 18:34:29 BST
# gpg: using RSA key D4972A8967F75A65
# gpg: Good signature from "Aleksandar Markovic <amarkovic@wavecomp.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 8526 FBF1 5DA3 811F 4A01 DD75 D497 2A89 67F7 5A65
* remotes/amarkovic2/tags/mips-queue-jul-23-2019:
target/mips: Fix emulation of MSA pack instructions on big endian hosts
target/mips: Add 'fall through' comments for handling nanoMips' SHXS, SWXS
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
GCC9 is confused by this comment when building with CFLAG
-Wimplicit-fallthrough=2:
hw/block/pflash_cfi02.c: In function ‘pflash_write’:
hw/block/pflash_cfi02.c:574:16: error: this statement may fall through [-Werror=implicit-fallthrough=]
574 | if (boff == 0x55 && cmd == 0x98) {
| ^
hw/block/pflash_cfi02.c:581:9: note: here
581 | default:
| ^~~~~~~
cc1: all warnings being treated as errors
Rewrite the comment using 'fall through' which is recognized by
GCC and static analyzers.
Reported-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20190719131425.10835-4-philmd@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
To avoid incoherent states when the machine resets (see bug report
below), add the device reset callback.
A "system reset" sets the device state machine in READ_ARRAY mode
and, after some delay, set the SR.7 READY bit.
Since we do not model timings, we set the SR.7 bit directly.
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1678713
Reported-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
[Laszlo Ersek: Regression tested EDK2 OVMF IA32X64, ArmVirtQemu Aarch64
https://lists.gnu.org/archive/html/qemu-devel/2019-07/msg04373.html]
Message-Id: <20190718104837.13905-2-philmd@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Fix emulation of MSA pack instructions on big endian hosts.
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1563812573-30309-3-git-send-email-aleksandar.markovic@rt-rk.com>
This was found by GCC 8.3 static analysis.
Missed in commit fb32f8c856.
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <1563812573-30309-2-git-send-email-aleksandar.markovic@rt-rk.com>
bdrv_set_aio_context_ignore() can only work in the main loop:
bdrv_drained_begin() only works in the main loop and the node's (old)
AioContext; and bdrv_drained_end() really only works in the main loop
and the node's (new) AioContext (contrary to its current comment, which
is just wrong).
Consequentially, bdrv_set_aio_context_ignore() must be called from the
main loop. Luckily, assuming that we can make block graph changes only
from the main loop as well, all its callers do that already.
Note that changing a node's context in a sense is an operation that
changes the block graph, so it actually makes sense to require this
function to be called from the main loop.
Also, fix bdrv_drained_end()'s description. You can only use it from
the main loop or the node's AioContext, and in the latter case, the
whole subtree must be in the same context.
Fixes: e037c09c78
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190722133054.21781-3-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
Decrementing drained_end_counter after bdrv_dec_in_flight() (which in
turn invokes bdrv_wakeup() and thus aio_wait_kick()) is not very clever.
We should decrement it beforehand, so that any waiting aio_poll() that
is woken by bdrv_dec_in_flight() sees the decremented
drained_end_counter.
Because the time window between decrementing drained_end_counter and
aio_wait_kick() is very small, I cannot supply a reliable regression
test. However, running e.g. the /bdrv-drain/blockjob/iothread/drain_all
test in test-bdrv-drain has a small chance of hanging without this
patch (about 1/200 or so; it gets to nearly 100 % if you add e.g. an
fputc(' ', stderr); after the bdrv_dec_in_flight()).
Fixes: e037c09c78
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190722133054.21781-2-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
Completion entries are meant to be only read by the host and written by the device.
The driver is supposed to scan the completions from the last point where it left,
and until it sees a completion with non flipped phase bit.
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190716163020.13383-4-mlevitsk@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
Currently the driver hardcodes the sector size to 512,
and doesn't check the underlying device. Fix that.
Also fail if underlying nvme device is formatted with metadata
as this needs special support.
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-id: 20190716163020.13383-3-mlevitsk@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
Fix the math involving non standard doorbell stride
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190716163020.13383-2-mlevitsk@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
contrib/elf2dmp has a source file which uses curl/curl.h;
although we link the final executable with CURL_LIBS, we
forgot to build this source file with CURL_CFLAGS, so if
the curl header is in a place that's not already on the
system include path then it will fail to build.
Add a line specifying the cflags needed for download.o;
while we are here, bring the specification of the libs
into line with this, since using a per-object variable
setting is preferred over adding them to the final
executable link line.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20190719100955.17180-1-peter.maydell@linaro.org
If configure detects that it's being run on a source tree which
is missing git modules, it prints an error messages suggesting
that the user downloads a correct source archive from the project
website. However https://www.qemu.org/download/ is a link to a
page with multiple tabs, with the default being the one telling
users how to get binaries from their distro. Clarify the URL
we print to include the #source anchor, so that the browser will
go directly to the source-tarball instructions.
Reported-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20190718131659.20783-1-peter.maydell@linaro.org
Suggested-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
In arm_cpu_realizefn() we make several assertions about the values of
guest ID registers:
* if the CPU provides AArch32 v7VE or better it must advertise the
ARM_DIV feature
* if the CPU provides AArch32 A-profile v6 or better it must
advertise the Jazelle feature
These are essentially consistency checks that our ID register
specifications in cpu.c didn't accidentally miss out a feature,
because increasingly the TCG emulation gates features on the values
in ID registers rather than using old-style checks of ARM_FEATURE_FOO
bits.
Unfortunately, these asserts can cause problems if we're running KVM,
because in that case we don't control the values of the ID registers
-- we read them from the host kernel. In particular, if the host
kernel is older than 4.15 then it doesn't expose the ID registers via
the KVM_GET_ONE_REG ioctl, and we set up dummy values for some
registers and leave the rest at zero. (See the comment in
target/arm/kvm64.c kvm_arm_get_host_cpu_features().) This set of
dummy values is not sufficient to pass our assertions, and so on
those kernels running an AArch32 guest on AArch64 will assert.
We could provide a more sophisticated set of dummy ID registers in
this case, but that still leaves the possibility of a host CPU which
reports bogus ID register values that would cause us to assert. It's
more robust to only do these ID register checks if we're using TCG,
as that is the only case where this is truly a QEMU code bug.
Reported-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20190718125928.20147-1-peter.maydell@linaro.org
Fixes: https://bugs.launchpad.net/qemu/+bug/1830864
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The i.MX6UL always has a single Cortex-A7 CPU (we set FSL_IMX6UL_NUM_CPUS
to 1 in line with this). This means that all the code in fsl-imx6ul.c to
handle multiple CPUs is dead code, and Coverity is now complaining that
it is unreachable (CID 1403008, 1403011).
Remove the unreachable code and the only-executes-once loops,
and replace the single-entry cpu[] array in the FSLIMX6ULState
with a simple cpu member.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190712115030.26895-1-peter.maydell@linaro.org
Reported by GCC9 when building with -Wimplicit-fallthrough=2:
target/arm/helper.c: In function ‘arm_cpu_do_interrupt_aarch32_hyp’:
target/arm/helper.c:7958:14: error: this statement may fall through [-Werror=implicit-fallthrough=]
7958 | addr = 0x14;
| ~~~~~^~~~~~
target/arm/helper.c:7959:5: note: here
7959 | default:
| ^~~~~~~
cc1: all warnings being treated as errors
Fixes: b9bc21ff9f
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reported-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20190719111451.12406-1-philmd@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
mtree" that has been lingering for too long.
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
Mostly bugfixes, plus a patch to mark accelerator MemoryRegions in "info
mtree" that has been lingering for too long.
# gpg: Signature made Fri 19 Jul 2019 22:45:46 BST
# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg: issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83
* remotes/bonzini/tags/for-upstream:
target/i386: sev: fix failed message typos
i386: indicate that 'pconfig' feature was removed intentionally
build-sys: do no support modules on Windows
qmp: don't emit the RESET event on wakeup
hmp: Print if memory section is registered with an accelerator
test-bitmap: add test for bitmap_set
scsi-generic: Check sense key before request snooping and patching
vhost-user-scsi: Call virtio_scsi_common_unrealize() when device realize failed
vhost-scsi: Call virtio_scsi_common_unrealize() when device realize failed
virtio-scsi: remove unused argument to virtio_scsi_common_realize
target/i386: skip KVM_GET/SET_NESTED_STATE if VMX disabled, or for SVM
target/i386: kvm: Demand nested migration kernel capabilities only when vCPU may have enabled VMX
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
In these multiline messages, there were typos. Fix them -- add a missing
space and remove a superfluous apostrophe.
Inspired by Tom's patch.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: qemu-trivial@nongnu.org
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Message-Id: <20190719104118.17735-1-jslaby@suse.cz>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
pconfig feature was added in 5131dc433d and removed in 712f807e19.
This patch mark this feature as known to QEMU and removed by
intentinally. This follows the convention of 9ccb9784b5 and f1a23522b0
dealing with 'osxsave' and 'ospke'.
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Richard Henderson <rth@twiddle.net>
CC: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20190719111222.14943-1-den@openvz.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
We've had two separate reports of different callers running into use
of uninitialized data if s->quit is set (one detected by gcc -O3,
another by valgrind), due to checking 'nbd_reply_is_simple(reply) ||
s->quit' in the wrong order. Rather than chasing down which callers
need to pre-initialize reply, and whether there are any other
uninitialized uses, it's easier to guarantee that reply will always be
set by nbd_co_receive_one_chunk() even on failure.
The uninitialized use happens to be harmless (the only time the
variable is uninitialized is if s->quit is set, so the conditional
results in the same action regardless of what was read from reply),
and was introduced in commit 65e01d47.
In fixing the problem, it can also be seen that all (one) callers pass
in a non-NULL reply, so there is a dead conditional to also be cleaned
up.
Reported-by: Thomas Huth <thuth@redhat.com>
Reported-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190719172001.19770-1-eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Our module system does not support Windows, because it relies on
resolving symbols from the main executable.
If there is enough interest in supporting modules on Windows, we could
generate an import library for the executable and link with it:
https://stackoverflow.com/questions/15454968/dll-plugin-that-uses-functions-defined-in-the-main-executable
However, there is a small chicken egg problem, since the executable
link and exports extra symbols needed by the library...
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190718120413.27678-1-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
