* ppc/e500 and arm/virt: only add valid dynamic sysbus devices to the
platform bus
* update i.mx31 maintainer list
* Revert "target/arm: Make number of counters in PMCR follow the CPU"
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20210406' into staging
target-arm queue:
* ppc/e500 and arm/virt: only add valid dynamic sysbus devices to the
platform bus
* update i.mx31 maintainer list
* Revert "target/arm: Make number of counters in PMCR follow the CPU"
# gpg: Signature made Tue 06 Apr 2021 13:25:54 BST
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE
* remotes/pmaydell/tags/pull-target-arm-20210406:
Remove myself as i.mx31 maintainer
Revert "target/arm: Make number of counters in PMCR follow the CPU"
hw/ppc/e500plat: Only try to add valid dynamic sysbus devices to platform bus
hw/arm/virt: Only try to add valid dynamic sysbus devices to platform bus
machine: Provide a function to check the dynamic sysbus allowlist
include/hw/boards.h: Document machine_class_allow_dynamic_sysbus_dev()
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
We are using the dtrace backend in downstream RHEL, so testing this
in the CentOS 8 task seems to be a good fit.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Message-Id: <20210331160351.3071279-1-thuth@redhat.com>
Message-Id: <20210401102530.12030-12-alex.bennee@linaro.org>
Commit 7d7dbf9dc1 introduced a new line starting with
"GIT_SUBMODULES_ACTION=" in the config-host.mak file. The grep that
tries to determine the submodules in the gitlab-ci.yml file matches
this new line, too, causing a warning message when updating the modules:
warn: ignoring non-existent submodule GIT_SUBMODULES_ACTION=update
Fix it by matching the "GIT_SUBMODULES=..." line only.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Message-Id: <20210331073316.2965928-1-thuth@redhat.com>
Message-Id: <20210401102530.12030-11-alex.bennee@linaro.org>
Document how multicore machines appear to GDB when debugged
via the debug stub. This is particularly non-intuitive for
the "multiple heterogenous clusters" case, but unfortunately
as far as I know there is no way with the remote protocol
for the stub to tell gdb "I have 2 inferiors, please connect
to both", so the user must set it all up manually.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210325175023.13838-3-peter.maydell@linaro.org>
Message-Id: <20210401102530.12030-10-alex.bennee@linaro.org>
We're about to add a new section to gdb.rst. In
preparation, add some more headings so it isn't just
one huge run-on section.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210325175023.13838-2-peter.maydell@linaro.org>
Message-Id: <20210401102530.12030-9-alex.bennee@linaro.org>
Depending on the version of gdb we may not execute the first line of
SHA1Init when executing the first "next" command - instead just
stepping over the preamble. As we don't actually care about the
position of the PC after the steps and want to be sure the
context->state[] has been loaded before we inspect it do a double next
at the start.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210401102530.12030-8-alex.bennee@linaro.org>
The containerised compiler defaults to no-pie anyway but if we are
relying on the users installed cross compiler we need to check it
works for building 16 bit code first.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210401102530.12030-7-alex.bennee@linaro.org>
Newer compilers might end up putting some data in .data.rel.local
which was getting skipped resulting in hilarious confusion on some
tests. Fix that.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210401102530.12030-6-alex.bennee@linaro.org>
While it's hard to find cross compilers packaged for arches other than
x86_64 the same cannot be said for the x86_64 compiler which is
available on Debians i386, arm64 and ppc64el release architectures.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210401102530.12030-5-alex.bennee@linaro.org>
While docker is nominally multiarch these days it doesn't mean our
distros actually package all cross compilers for all architectures.
The upcoming Debian bullseye release will improve things further. At
least for now we can get things like the 32 bit ARM compiler on it's
64 bit cousin.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210401102530.12030-4-alex.bennee@linaro.org>
Currently our gitlab registry is x86_64 only so attempting to pull an
image from it on something else will end in tears.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210401102530.12030-3-alex.bennee@linaro.org>
You don't usually notice this is broken on developer system on x86 as
we use the normal host compiler. However on other systems the -pc was
extraneous. Also for 32 bit only i686 packages exist now so we should
use those when available.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210401102530.12030-2-alex.bennee@linaro.org>
Two last minute bugfixes. They are both designed to prevent
compatibility headaches down the road.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pc,virtio: last minute bugfixes
Two last minute bugfixes. They are both designed to prevent
compatibility headaches down the road.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Tue 06 Apr 2021 12:13:07 BST
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* remotes/mst/tags/for_upstream:
virtio-pci: compat page aligned ATS
x86: rename oem-id and oem-table-id properties
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Commit 4c70875372 ("pci: advertise a page aligned ATS") advertises
the page aligned via ATS capability (RO) to unbrek recent Linux IOMMU
drivers since 5.2. But it forgot the compat the capability which
breaks the migration from old machine type:
(qemu) qemu-kvm: get_pci_config_device: Bad config data: i=0x104 read:
0 device: 20 cmask: ff wmask: 0 w1cmask:0
This patch introduces a new parameter "x-ats-page-aligned" for
virtio-pci device and turns it on for machine type which is newer than
5.1.
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: qemu-stable@nongnu.org
Fixes: 4c70875372 ("pci: advertise a page aligned ATS")
Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20210406040330.11306-1-jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Remove Peter Chubb as i/MX31 maintainer.
I'm leaving my current job and will no longer have access to the
hardware to test or maintain this port.
Signed-off-by: Peter Chubb <peter.chubb@data61.csiro.au>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This reverts commit f7fb73b8cd.
This change turned out to be a bit half-baked, and doesn't
work with KVM, which fails with the error:
"qemu-system-aarch64: Failed to retrieve host CPU features"
because KVM does not allow accessing of the PMCR_EL0 value in
the scratch "query CPU ID registers" VM unless we have first
set the KVM_ARM_VCPU_PMU_V3 feature on the VM.
Revert the change for 6.0.
Reported-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Zenghui Yu <yuzenghui@huawei.com>
Message-id: 20210331154822.23332-1-peter.maydell@linaro.org
The e500plat machine device plug callback currently calls
platform_bus_link_device() for any sysbus device. This is overly
broad, because platform_bus_link_device() will unconditionally grab
the IRQs and MMIOs of the device it is passed, whether it was
intended for the platform bus or not. Restrict hotpluggability of
sysbus devices to only those devices on the dynamic sysbus allowlist.
We were mostly getting away with this because the board creates the
platform bus as the last device it creates, and so the hotplug
callback did not do anything for all the sysbus devices created by
the board itself. However if the user plugged in a device which
itself uses a sysbus device internally we would have mishandled this
and probably asserted. An example of this is:
qemu-system-ppc64 -M ppce500 -device macio-oldworld
This isn't a sensible command because the macio-oldworld device
is really specific to the 'g3beige' machine, but we now fail
with a reasonable error message rather than asserting:
qemu-system-ppc64: Device heathrow is not supported by this machine yet.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Message-id: 20210325153310.9131-5-peter.maydell@linaro.org
The virt machine device plug callback currently calls
platform_bus_link_device() for any sysbus device. This is overly
broad, because platform_bus_link_device() will unconditionally grab
the IRQs and MMIOs of the device it is passed, whether it was
intended for the platform bus or not. Restrict hotpluggability of
sysbus devices to only those devices on the dynamic sysbus
allowlist.
We were mostly getting away with this because the board creates the
platform bus as the last device it creates, and so the hotplug
callback did not do anything for all the sysbus devices created by
the board itself. However if the user plugged in a device which
itself uses a sysbus device internally we would have mishandled this
and probably asserted.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20210325153310.9131-4-peter.maydell@linaro.org
Provide a new function dynamic_sysbus_dev_allowed() which checks the
per-machine list of permitted dynamic sysbus devices and returns a
boolean result indicating whether the device is allowed. We can use
this in the implementation of validate_sysbus_device(), but we will
also need it so that machine hotplug callbacks can validate devices
rather than assuming that any sysbus device might be hotpluggable
into the platform bus.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20210325153310.9131-3-peter.maydell@linaro.org
The function machine_class_allow_dynamic_sysbus_dev() is currently
undocumented; add a doc comment.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20210325153310.9131-2-peter.maydell@linaro.org
The check for `n->namespace.blkconf.blk` always fails because
this is in the initialization function.
Signed-off-by: Joelle van Dyne <j@getutm.app>
Reviewed-by: Klaus Jensen <k.jensen@samsung.com>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
This patch handles icount mode for timer read/write instructions,
because it is required to call gen_io_start in such cases.
Signed-off-by: Pavel Dovgalyuk <pavel.dovgalyuk@ispras.ru>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <161700373035.1135822.16451510827008616793.stgit@pasha-ThinkPad-X280>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The addrl used to compare with SoftTLB entry should be sign-extended
in common case, and it will cause constant failing in SoftTLB
comparisons for the addrl whose address is over 0x80000000 on the
emulation of 32-bit guest on 64-bit host.
This is an important performance bug fix. Spec2000 gzip rate increase
from ~45 to ~140 on Loongson 3A4000 (MIPS compatible platform).
Signed-off-by: Kele Huang <kele.hwang@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210401100457.191458-1-kele.hwang@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The description was originally removed in commit 578d914b26
("hw/block/nvme: align zoned.zasl with mdts") together with the removal
of the zoned.append_size_limit parameter itself.
However, it was (most likely accidentally), re-added in commit
f7dcd31885 ("hw/block/nvme: add non-mdts command size limit for verify").
Remove the description again, since the parameter it describes,
zoned.append_size_limit, no longer exists.
Signed-off-by: Niklas Cassel <niklas.cassel@wdc.com>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
After introducing non-scalar machine properties, it would be preferrable
to have a single acpitable property which includes both generic
information (such as the OEM ids) and custom tables currently
passed via -acpitable.
Do not saddle ourselves with legacy oem-id and oem-table-id
properties, instead mark them as experimental.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210402082128.13854-1-pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
xtensa_modules variable defined in each xtensa-modules.c.inc is only
used locally by the including file. Make it static.
Reported-by: Yury Gribov <tetra2005@gmail.com>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
import_core.sh tries to change Makefile.objs when importing new xtensa
core, but that file no longer exists. Rewrite meson.build rule to pick
up all source files that match core-*.c pattern and drop commands that
change Makefile.objs.
Cc: qemu-stable@nongnu.org # v5.2.0
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
* Some small documentation updates
* Some small misc fixes
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Merge remote-tracking branch 'remotes/thuth-gitlab/tags/pull-request-2021-04-01' into staging
* Updates for the MAINTAINERS file
* Some small documentation updates
* Some small misc fixes
# gpg: Signature made Thu 01 Apr 2021 13:30:39 BST
# gpg: using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg: issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg: aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg: aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5
* remotes/thuth-gitlab/tags/pull-request-2021-04-01:
device-crash-test: Ignore errors about a bus not being available
docs: Fix typo in the default name of the qemu-system-x86_64 binary
docs: Remove obsolete paragraph about config-target.mak
util/compatfd.c: Fixed style issues
qom: Fix default values in help
MAINTAINERS: Mark SH-4 hardware emulation orphan
MAINTAINERS: Mark RX hardware emulation orphan
MAINTAINERS: add virtio-fs mailing list
MAINTAINERS: Drop the line with Xiang Zheng
MAINTAINERS: replace Huawei's email to personal one
MAINTAINERS: Drop the lines with Sarah Harris
MAINTAINERS: add/replace backups for some s390 areas
MAINTAINERS: Fix tests/migration maintainers
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
If a device model
(a) doesn't set the value to a correct interrupt number and then
(b) triggers an interrupt for itself,
it's device model bug. Add assert on interrupt pin number to catch
this kind of bug more obviously.
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
Message-Id: <9cf8ac3b17e162daac0971d7be32deb6a33ae6ec.1616532563.git.isaku.yamahata@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Commit 6be8cf56bc made sure that SCI is enabled in PM1.CNT
on reset in acpi_only mode by modifying acpi_pm1_cnt_reset() and
that worked for q35 as expected.
This patch adds reset ACPI PM related registers on vt82c686 reset time
and de-assert sci.
via_pm_realize() initializes acpi pm tmr, evt, cnt and gpe.
Reset them on device reset.
Cc: BALATON Zoltan <balaton@eik.bme.hu>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: "Philippe Mathieu-Daudé" <f4bug@amsat.org>
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
Message-Id: <0a3fe998525552860919a690ce83dab8f663ab99.1616532563.git.isaku.yamahata@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Commit 6be8cf56bc made sure that SCI is enabled in PM1.CNT
on reset in acpi_only mode by modifying acpi_pm1_cnt_reset() and
that worked for q35 as expected.
The function was introduced by commit
eaba51c573 (acpi, acpi_piix, vt82c686: factor out PM1_CNT logic)
that forgot to actually call it at piix4 reset time and as result
SCI_EN wasn't set as was expected by 6be8cf56bc in acpi_only mode.
So Windows crashes when it notices that SCI_EN is not set and FADT is
not providing information about how to enable it anymore.
Reproducer:
qemu-system-x86_64 -enable-kvm -M pc-i440fx-6.0,smm=off -cdrom any_windows_10x64.iso
Fix it by calling acpi_pm1_cnt_reset() at piix4 reset time.
Occasionally this patch adds reset acpi PM related registers on
piix4 reset time and de-assert sci.
piix4_pm_realize() initializes acpi pm tmr, evt, cnt and gpe.
Reset them on device reset. pm_reset() in ich9.c correctly calls
corresponding reset functions.
Fixes: 6be8cf56bc (acpi/core: always set SCI_EN when SMM isn't supported)
Reported-by: Reinoud Zandijk <reinoud@NetBSD.org>
Co-developed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
Message-Id: <8a5bbd19727045ec863523830078dd4ca63f6a9a.1616532563.git.isaku.yamahata@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
V2:
- "tests: Add tests for yank with the chardev-change case" updated
- drop the readthedoc theme patch
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Merge remote-tracking branch 'remotes/marcandre/tags/for-6.0-pull-request' into staging
For 6.0 misc patches under my radar.
V2:
- "tests: Add tests for yank with the chardev-change case" updated
- drop the readthedoc theme patch
# gpg: Signature made Thu 01 Apr 2021 12:54:52 BST
# gpg: using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg: issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg: aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276 F62D DAE8 E109 7596 9CE5
* remotes/marcandre/tags/for-6.0-pull-request:
tests: Add tests for yank with the chardev-change case
chardev: Fix yank with the chardev-change case
chardev/char.c: Always pass id to chardev_new
chardev/char.c: Move object_property_try_add_child out of chardev_new
yank: Always link full yank code
yank: Remove dependency on qiochannel
docs: simplify each section title
dbus-vmstate: Increase the size of input stream buffer used during load
util: fix use-after-free in module_load_one
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The value is assigned later in this procedure.
Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com>
Message-Id: <20210315115937.14286-3-yuri.benditovich@daynix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
https://bugzilla.redhat.com/show_bug.cgi?id=1743098
This commit completes the solution of segfault in hot unplug flow
(by commit ccec7e9603).
Added missing check for vdev in virtio_pci_isr_read.
Typical stack of crash:
virtio_pci_isr_read ../hw/virtio/virtio-pci.c:1365 with proxy-vdev = 0
memory_region_read_accessor at ../softmmu/memory.c:442
access_with_adjusted_size at ../softmmu/memory.c:552
memory_region_dispatch_read1 at ../softmmu/memory.c:1420
memory_region_dispatch_read at ../softmmu/memory.c:1449
flatview_read_continue at ../softmmu/physmem.c:2822
flatview_read at ../softmmu/physmem.c:2862
address_space_read_full at ../softmmu/physmem.c:2875
Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com>
Message-Id: <20210315115937.14286-2-yuri.benditovich@daynix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Qemu crashes on shutdown if the chardev used by vhost-user-blk has been
finalized before the vhost-user-blk.
This happens with char-socket chardev operating in the listening mode (server).
The char-socket chardev emits "close" event at the end of finalizing when
its internal data is destroyed. This calls vhost-user-blk event handler
which in turn tries to manipulate with destroyed chardev by setting an empty
event handler for vhost-user-blk cleanup postponing.
This patch separates the shutdown case from the cleanup postponing removing
the need to set an event handler.
Signed-off-by: Denis Plotnikov <den-plotnikov@yandex-team.ru>
Message-Id: <20210325151217.262793-4-den-plotnikov@yandex-team.ru>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Commit 4bcad76f4c ("vhost-user-blk: delay vhost_user_blk_disconnect")
introduced postponing vhost_dev cleanup aiming to eliminate qemu aborts
because of connection problems with vhost-blk daemon.
However, it introdues a new problem. Now, any communication errors
during execution of vhost_dev_init() called by vhost_user_blk_device_realize()
lead to qemu abort on assert in vhost_dev_get_config().
This happens because vhost_user_blk_disconnect() is postponed but
it should have dropped s->connected flag by the time
vhost_user_blk_device_realize() performs a new connection opening.
On the connection opening, vhost_dev initialization in
vhost_user_blk_connect() relies on s->connection flag and
if it's not dropped, it skips vhost_dev initialization and returns
with success. Then, vhost_user_blk_device_realize()'s execution flow
goes to vhost_dev_get_config() where it's aborted on the assert.
To fix the problem this patch adds immediate cleanup on device
initialization(in vhost_user_blk_device_realize()) using different
event handlers for initialization and operation introduced in the
previous patch.
On initialization (in vhost_user_blk_device_realize()) we fully
control the initialization process. At that point, nobody can use the
device since it isn't initialized and we don't need to postpone any
cleanups, so we can do cleaup right away when there is a communication
problem with the vhost-blk daemon.
On operation we leave it as is, since the disconnect may happen when
the device is in use, so the device users may want to use vhost_dev's data
to do rollback before vhost_dev is re-initialized (e.g. in vhost_dev_set_log()).
Signed-off-by: Denis Plotnikov <den-plotnikov@yandex-team.ru>
Reviewed-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Message-Id: <20210325151217.262793-3-den-plotnikov@yandex-team.ru>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
It is useful to use different connect/disconnect event handlers
on device initialization and operation as seen from the further
commit fixing a bug on device initialization.
This patch refactors the code to make use of them: we don't rely any
more on the VM state for choosing how to cleanup the device, instead
we explicitly use the proper event handler depending on whether
the device has been initialized.
Signed-off-by: Denis Plotnikov <den-plotnikov@yandex-team.ru>
Reviewed-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Message-Id: <20210325151217.262793-2-den-plotnikov@yandex-team.ru>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Recent QEMU versions now sometimes exit cleanly with an error message
that a bus is not available for a specified device. Don't flag those
as an error in the device-crash-test script.
Message-Id: <20210323164718.1393792-1-thuth@redhat.com>
Acked-by: John Snow <jsnow@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
It's a '-' between 'qemu' and 'system', not a '_'.
Fixes: 324b2298fe ("docs/system: convert Texinfo documentation to rST")
Message-Id: <20210401051829.3169438-1-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
$TARGET-NAME/config-target.mak has been removed a while ago.
Remove it now from the documentation, too.
Fixes: fdb75aeff7 ("configure: remove target configuration")
Message-Id: <20210316124208.455456-1-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Output of default values in device help is broken:
$ ./qemu-system-x86_64 -S -display none -monitor stdio
QEMU 5.2.50 monitor - type 'help' for more information
(qemu) device_add pvpanic,help
pvpanic options:
events=<uint8> - (default: (null))
ioport=<uint16> - (default: (null))
pvpanic[0]=<child<qemu:memory-region>>
The "(null)" is glibc printing a null pointer. Other systems crash
instead. Having a help request crash a running VM can really spoil
your day.
Root cause is a botched replacement of qstring_free() by
g_string_free(): to get the string back, we need to pass true to the
former, but false to the latter. Fix the argument.
Fixes: eab3a4678b
Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210324084130.3986072-1-armbru@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Yoshinori Sato doesn't have time to manage QEMU reviews.
The code is in good shape and hasn't started to bitrot,
so mark the SH-4 hardware as orphan to give the possibility
to any contributor to step in and fill the gap.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
CC: Magnus Damm <magnus.damm@gmail.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Message-Id: <20210312155513.1849109-3-f4bug@amsat.org>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Yoshinori Sato doesn't have time to manage QEMU reviews.
The code is in good shape and hasn't started to bitrot,
so mark the RX target and hardware as orphan to give the
possibility to any contributor to step in and fill the gap.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Message-Id: <20210312155513.1849109-2-f4bug@amsat.org>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
