Commit Graph

94784 Commits

Author SHA1 Message Date
Dr. David Alan Gilbert
a83c284490 acpi: fix acpi_index migration
vmstate_acpi_pcihp_use_acpi_index() was expecting AcpiPciHpState
as state but it actually received PIIX4PMState, because
VMSTATE_PCI_HOTPLUG is a macro and not another struct.
So it ended up accessing random pointer, which resulted
in 'false' return value and acpi_index field wasn't ever
sent.

However in 7.0 that pointer de-references to value > 0, and
destination QEMU starts to expect the field which isn't
sent in migratioon stream from older QEMU (6.2 and older).
As result migration fails with:
  qemu-system-x86_64: Missing section footer for 0000:00:01.3/piix4_pm
  qemu-system-x86_64: load of migration failed: Invalid argument

In addition with QEMU-6.2, destination due to not expected
state, also never expects the acpi_index field in migration
stream.

Q35 is not affected as it always sends/expects the field as
long as acpi based PCI hotplug is enabled.

Fix issue by introducing compat knob to never send/expect
acpi_index in migration stream for 6.2 and older PC machine
types and always send it for 7.0 and newer PC machine types.

Diagnosed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Fixes: b32bd76 ("pci: introduce acpi-index property for PCI device")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/932
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-04-06 20:03:26 +01:00
Peter Maydell
f53faa70bb * fix vss-win32 compilation with clang++
* update Coverity model
 
 * add measurement calculation to amd-memory-encryption docs
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 =NO6n
 -----END PGP SIGNATURE-----

Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* fix vss-win32 compilation with clang++

* update Coverity model

* add measurement calculation to amd-memory-encryption docs

# gpg: Signature made Tue 05 Apr 2022 09:42:59 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

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  docs/system/i386: Add measurement calculation details to amd-memory-encryption
  qga/vss-win32: fix compilation with clang++
  coverity: update model for latest tools

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-04-05 16:14:28 +01:00
Peter Maydell
2e185fb65e QAPI patches patches for 2022-04-05
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 =X3H5
 -----END PGP SIGNATURE-----

Merge tag 'pull-qapi-2022-04-05' of git://repo.or.cz/qemu/armbru into staging

QAPI patches patches for 2022-04-05

# gpg: Signature made Tue 05 Apr 2022 11:32:05 BST
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* tag 'pull-qapi-2022-04-05' of git://repo.or.cz/qemu/armbru:
  qapi: Fix calc-dirty-rate example
  qapi: fix example of query-memdev command
  qapi: fix example of query-cpus-fast command
  qapi: fix example of trace-event-get-state command
  qapi: fix example of query-colo-status command
  qapi: fix example of query-vnc command
  qapi: fix example of query-spice command
  qapi: fix example of query-named-block-nodes command
  qapi: fix examples: replay-break and replay-seek
  qapi: fix example of netdev_add command

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-04-05 14:02:01 +01:00
Peter Maydell
223a8671ca target-arm queue:
* docs/system/devices/can.rst: correct links to CTU CAN FD IP core documentation.
  * xlnx-bbram: hw/nvram: Fix uninitialized Error *
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Merge tag 'pull-target-arm-20220405' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
 * docs/system/devices/can.rst: correct links to CTU CAN FD IP core documentation.
 * xlnx-bbram: hw/nvram: Fix uninitialized Error *

# gpg: Signature made Tue 05 Apr 2022 10:26:21 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

* tag 'pull-target-arm-20220405' of https://git.linaro.org/people/pmaydell/qemu-arm:
  docs/system/devices/can.rst: correct links to CTU CAN FD IP core documentation.
  xlnx-bbram: hw/nvram: Fix uninitialized Error *

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-04-05 12:43:12 +01:00
Markus Armbruster
8230f3389c qapi: Fix calc-dirty-rate example
The example shows {"command": ...}, which is wrong.  Fix it to
{"execute": ...}.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20220401082028.3583296-1-armbru@redhat.com>
Reviewed-by: Victor Toso <victortoso@redhat.com>
2022-04-05 12:30:45 +02:00
Victor Toso
7c90031d80 qapi: fix example of query-memdev command
Example output is missing mandatory argument @share for the return
JSON object. Add it.

Signed-off-by: Victor Toso <victortoso@redhat.com>
Message-Id: <20220331190633.121077-10-victortoso@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2022-04-05 12:30:45 +02:00
Victor Toso
28c1ec60aa qapi: fix example of query-cpus-fast command
Example output contains member @arch that was removed in 445a5b4087
"machine: remove 'arch' field from 'query-cpus-fast' QMP command". Fix
it.

Signed-off-by: Victor Toso <victortoso@redhat.com>
Message-Id: <20220331190633.121077-9-victortoso@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2022-04-05 12:30:45 +02:00
Victor Toso
6352c81b24 qapi: fix example of trace-event-get-state command
The example output is missing the mandatory member @vcpu. Fix it.

Signed-off-by: Victor Toso <victortoso@redhat.com>
Message-Id: <20220331190633.121077-8-victortoso@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2022-04-05 12:30:45 +02:00
Victor Toso
51ec294d8e qapi: fix example of query-colo-status command
The example output is missing the mandatory member @last-mode in the
return value. Fix it.

Signed-off-by: Victor Toso <victortoso@redhat.com>
Message-Id: <20220331190633.121077-7-victortoso@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2022-04-05 12:30:45 +02:00
Victor Toso
c7f4a0fc78 qapi: fix example of query-vnc command
The return value is missing the mandatory member @websocket. Fix it.

Signed-off-by: Victor Toso <victortoso@redhat.com>
Message-Id: <20220331190633.121077-6-victortoso@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2022-04-05 12:30:45 +02:00
Victor Toso
74dd52e556 qapi: fix example of query-spice command
Example output is missing mandatory members @migrated and @mouse-mode.
Fix it.

Signed-off-by: Victor Toso <victortoso@redhat.com>
Message-Id: <20220331190633.121077-5-victortoso@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2022-04-05 12:30:45 +02:00
Victor Toso
016b835949 qapi: fix example of query-named-block-nodes command
Example output is missing mandatory member @detect_zeroes. Fix it.

Signed-off-by: Victor Toso <victortoso@redhat.com>
Message-Id: <20220331190633.121077-4-victortoso@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2022-04-05 12:30:45 +02:00
Victor Toso
227a762bef qapi: fix examples: replay-break and replay-seek
Both examples outputs are using @data member for the arguments. This
is wrong. The expected member for the QMP is @arguments. Fix it.

Signed-off-by: Victor Toso <victortoso@redhat.com>
Message-Id: <20220331190633.121077-3-victortoso@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2022-04-05 12:30:45 +02:00
Victor Toso
9a9d101c5b qapi: fix example of netdev_add command
Example output has the optional member @dnssearch as string type. It
should be an array of String objects instead. Fix it.

For reference, see NetdevUserOptions.

Signed-off-by: Victor Toso <victortoso@redhat.com>
Message-Id: <20220401110712.26911-1-victortoso@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Commit message tweaked for precision]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2022-04-05 12:30:45 +02:00
Dov Murik
776a6a32b4 docs/system/i386: Add measurement calculation details to amd-memory-encryption
Add a section explaining how the Guest Owner should calculate the
expected guest launch measurement for SEV and SEV-ES.

Also update the name and links to the SEV API Spec document.

Signed-off-by: Dov Murik <dovmurik@linux.ibm.com>
Suggested-by: Daniel P. Berrangé <berrange@redhat.com>

Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20220217110059.2320497-1-dovmurik@linux.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-04-05 10:42:06 +02:00
Helge Konetzka
7bd16378bb qga/vss-win32: fix compilation with clang++
This fixes:

qga/vss-win32/install.cpp:49:24: error: cannot initialize a variable of
type 'char *' with an rvalue of type 'const char *'
    char *msg = NULL, *nul = strchr(text, '(');
                       ^     ~~~~~~~~~~~~~~~~~

Signed-off-by: Helge Konetzka <hk@zapateado.de>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Konstantin Kostiuk <kkostiuk@redhat.com>
Message-Id: <39400817-3dc9-516d-9096-bc1f68862531@zapateado.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-04-05 10:42:06 +02:00
Paolo Bonzini
fae4fad5b4 coverity: update model for latest tools
Coverity is now rejecting incomplete types in the modeling file.
Just use a random number (in the neighborhood of the actual one)
for the size of a GIOChannel.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-04-05 10:42:06 +02:00
Pavel Pisa
80b952bb69 docs/system/devices/can.rst: correct links to CTU CAN FD IP core documentation.
Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Reviewed-by: Francisco Iglesias <frasse.iglesias@gmail.com>
Message-id: 20220402204523.32643-1-pisa@cmp.felk.cvut.cz
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-04-05 09:29:28 +01:00
Tong Ho
2e9ce53200 xlnx-bbram: hw/nvram: Fix uninitialized Error *
This adds required initialization of Error * variable.

Signed-off-by: Tong Ho <tong.ho@xilinx.com>
Reviewed-by: Francisco Iglesias <frasse.iglesias@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-04-05 09:28:04 +01:00
Peter Maydell
20661b75ea ppc-7.0 queue:
* Coverity fixes
 * Fix for a memory leak issue
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Merge tag 'pull-ppc-20220404' of https://github.com/legoater/qemu into staging

ppc-7.0 queue:

* Coverity fixes
* Fix for a memory leak issue

# gpg: Signature made Mon 04 Apr 2022 09:45:51 BST
# gpg:                using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@kaod.org>" [undefined]
# 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: A0F6 6548 F048 95EB FE6B  0B60 51A3 43C7 CFFB ECA1

* tag 'pull-ppc-20220404' of https://github.com/legoater/qemu:
  linux-user/ppc: Narrow type of ccr in save_user_regs
  ppc/pnv: Fix number of registers in the PCIe controller on POWER9
  hw/ppc: free env->tb_env in spapr_unrealize_vcpu()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-04-04 15:48:55 +01:00
Richard Henderson
0798da8df9 linux-user/ppc: Narrow type of ccr in save_user_regs
Coverity warns that we shift a 32-bit value by N, and then
accumulate it into a 64-bit type (target_ulong on ppc64).

The ccr is always 8 * 4-bit fields, and thus is always a
32-bit quantity; narrow the type to avoid the warning.

Fixes: Coverity CID 1487223
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20220401191643.330393-1-richard.henderson@linaro.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-04-04 08:49:06 +02:00
Frederic Barrat
7e5157696b ppc/pnv: Fix number of registers in the PCIe controller on POWER9
The spec defines 3 registers, even though only index 0 and 2 are valid
on POWER9. The same model is used on POWER10. Register 1 is defined
there but we currently don't use it in skiboot. So we can keep
reporting an error on write.

Reported by Coverity (CID 1487176).

Fixes: 4f9924c4d4 ("ppc/pnv: Add models for POWER9 PHB4 PCIe Host bridge")
Suggested-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220401091925.770803-1-fbarrat@linux.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-04-04 08:49:06 +02:00
Daniel Henrique Barboza
ef95a24494 hw/ppc: free env->tb_env in spapr_unrealize_vcpu()
The timebase is allocated during spapr_realize_vcpu() and it's not
freed. This results in memory leaks when doing vcpu unplugs:

==636935==
==636935== 144 (96 direct, 48 indirect) bytes in 1 blocks are definitely lost in loss record 6
,461 of 8,135
==636935==    at 0x4897468: calloc (vg_replace_malloc.c:760)
==636935==    by 0x5077213: g_malloc0 (in /usr/lib64/libglib-2.0.so.0.6400.4)
==636935==    by 0x507757F: g_malloc0_n (in /usr/lib64/libglib-2.0.so.0.6400.4)
==636935==    by 0x93C3FB: cpu_ppc_tb_init (ppc.c:1066)
==636935==    by 0x97BC2B: spapr_realize_vcpu (spapr_cpu_core.c:268)
==636935==    by 0x97C01F: spapr_cpu_core_realize (spapr_cpu_core.c:337)
==636935==    by 0xD4626F: device_set_realized (qdev.c:531)
==636935==    by 0xD55273: property_set_bool (object.c:2273)
==636935==    by 0xD523DF: object_property_set (object.c:1408)
==636935==    by 0xD588B7: object_property_set_qobject (qom-qobject.c:28)
==636935==    by 0xD52897: object_property_set_bool (object.c:1477)
==636935==    by 0xD4579B: qdev_realize (qdev.c:333)
==636935==

This patch adds a cpu_ppc_tb_free() helper in hw/ppc/ppc.c to allow us
to free the timebase. This leak is then solved by calling
cpu_ppc_tb_free() in spapr_unrealize_vcpu().

Fixes: 6f4b5c3ec5 ("spapr: CPU hot unplug support")
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Message-Id: <20220329124545.529145-2-danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-04-04 08:49:06 +02:00
Peter Maydell
bc6ec396d4 * Fix some compilation issues
* Fix overflow calculation in s390x emulation
 * Update location of lockdown.yml in MAINTAINERS file
 -----BEGIN PGP SIGNATURE-----
 
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 51c4GVBBEOY=
 =4ry6
 -----END PGP SIGNATURE-----

Merge tag 'pull-request-2022-04-01' of https://gitlab.com/thuth/qemu into staging

* Fix some compilation issues
* Fix overflow calculation in s390x emulation
* Update location of lockdown.yml in MAINTAINERS file

# gpg: Signature made Fri 01 Apr 2022 12:27:38 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

* tag 'pull-request-2022-04-01' of https://gitlab.com/thuth/qemu:
  trace: fix compilation with lttng-ust >= 2.13
  9p: move P9_XATTR_SIZE_MAX from 9p.h to 9p.c
  meson.build: Fix dependency of page-vary-common.c to config-poison.h
  target/s390x: Fix determination of overflow condition code after subtraction
  target/s390x: Fix determination of overflow condition code after addition
  misc: Fixes MAINTAINERS's path .github/workflows/lockdown.yml

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-04-02 09:36:07 +01:00
Peter Maydell
ea72ac9bc8 target-arm queue:
* target/arm: Fix some bugs in secure EL2 handling
  * target/arm: Fix assert when !HAVE_CMPXCHG128
  * MAINTAINERS: change Fred Konrad's email address
 -----BEGIN PGP SIGNATURE-----
 
 iQJNBAABCAA3FiEE4aXFk81BneKOgxXPPCUl7RQ2DN4FAmJHE28ZHHBldGVyLm1h
 eWRlbGxAbGluYXJvLm9yZwAKCRA8JSXtFDYM3izND/0RuCk7xsg/X4QVk0yeHi6T
 AavOkb2a5Jo3wqW4z4FLWC0C+0nq+SYI7/sR9UgDWBCGYQH+c+5vYdpxLb222Xxf
 lT63f2Gb84RtKddmJ96giy4gBVyXPZHKfBLb64EavP870wIOCkkOLabfQz8qgkzB
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 uNX1WOmN/Lgk4NVdPGe/QLIbY8HtweZG2KWZ4ktJz7l12A8XYRhslD7StCvdmJrq
 FYqUp8T1/l/+ZgTuWkLcNzepSNw02vWpZJre3VnulDR0dLPdh0f9NhPn3D7ITqv2
 MeYA6eorC6oNn525oE0oFaJMVuyoGteeSMC+gZlFb7uwqpWATynR+fxF2EB9ZsI6
 4pY7gNseZn7q6lBGf/2CNTEmxACe8OMRShZOfrqVR2G6c+SYQxSJal/lk7NmcEMp
 MMSxxWn7pcRnqliZxFXz+PukWmZ93+xUhHXW/Mq+ImslW8NqdgC6mc/0Enj2sCSL
 jsL4wB9r0QcX2jNS74ZiJw==
 =WcCR
 -----END PGP SIGNATURE-----

Merge tag 'pull-target-arm-20220401' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
 * target/arm: Fix some bugs in secure EL2 handling
 * target/arm: Fix assert when !HAVE_CMPXCHG128
 * MAINTAINERS: change Fred Konrad's email address

# gpg: Signature made Fri 01 Apr 2022 15:59:59 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

* tag 'pull-target-arm-20220401' of https://git.linaro.org/people/pmaydell/qemu-arm:
  target/arm: Don't use DISAS_NORETURN in STXP !HAVE_CMPXCHG128 codegen
  MAINTAINERS: change Fred Konrad's email address
  target/arm: Determine final stage 2 output PA space based on original IPA
  target/arm: Take VSTCR.SW, VTCR.NSW into account in final stage 2 walk
  target/arm: Check VSTCR.SW when assigning the stage 2 output PA space
  target/arm: Fix MTE access checks for disabled SEL2

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-04-01 17:16:48 +01:00
Peter Maydell
697d18b1bd Sixth RISC-V PR for QEMU 7.0
This is a last minute RISC-V PR for 7.0.
 
 It includes a fix to avoid leaking no translation TLB entries. This
 incorrectly cached uncachable baremetal entries. This would break Linux
 boot while single stepping. As the fix is pretty straight forward (flush
 the cache more often) it's being pulled in for 7.0.
 
 At the same time I have included a RISC-V vector extension fixup patch.
 -----BEGIN PGP SIGNATURE-----
 
 iQEzBAABCAAdFiEE9sSsRtSTSGjTuM6PIeENKd+XcFQFAmJGOmYACgkQIeENKd+X
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 ft4ipqQ9TYNAOQ/c2+X46brVyB/2q6WnfX0e55lW9LfxZSBLaGNSFKt+hBqj1CiA
 smv9kQYPlcSMVfOw7/DtPoS+whGgGA==
 =r96A
 -----END PGP SIGNATURE-----

Merge tag 'pull-riscv-to-apply-20220401' of github.com:alistair23/qemu into staging

Sixth RISC-V PR for QEMU 7.0

This is a last minute RISC-V PR for 7.0.

It includes a fix to avoid leaking no translation TLB entries. This
incorrectly cached uncachable baremetal entries. This would break Linux
boot while single stepping. As the fix is pretty straight forward (flush
the cache more often) it's being pulled in for 7.0.

At the same time I have included a RISC-V vector extension fixup patch.

# gpg: Signature made Fri 01 Apr 2022 00:33:58 BST
# gpg:                using RSA key F6C4AC46D4934868D3B8CE8F21E10D29DF977054
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [full]
# Primary key fingerprint: F6C4 AC46 D493 4868 D3B8  CE8F 21E1 0D29 DF97 7054

* tag 'pull-riscv-to-apply-20220401' of github.com:alistair23/qemu:
  target/riscv: rvv: Add missing early exit condition for whole register load/store
  target/riscv: Avoid leaking "no translation" TLB entries

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-04-01 16:01:10 +01:00
Peter Maydell
a5b1e1ab66 target/arm: Don't use DISAS_NORETURN in STXP !HAVE_CMPXCHG128 codegen
In gen_store_exclusive(), if the host does not have a cmpxchg128
primitive then we generate bad code for STXP for storing two 64-bit
values.  We generate a call to the exit_atomic helper, which never
returns, and set is_jmp to DISAS_NORETURN.  However, this is
forgetting that we have already emitted a brcond that jumps over this
call for the case where we don't hold the exclusive.  The effect is
that we don't generate any code to end the TB for the
exclusive-not-held execution path, which falls into the "exit with
TB_EXIT_REQUESTED" code that gen_tb_end() emits.  This then causes an
assert at runtime when cpu_loop_exec_tb() sees an EXIT_REQUESTED TB
return that wasn't for an interrupt or icount.

In particular, you can hit this case when using the clang sanitizers
and trying to run the xlnx-versal-virt acceptance test in 'make
check-acceptance'.  This bug was masked until commit 848126d11e
("meson: move int128 checks from configure") because we used to set
CONFIG_CMPXCHG128=1 and avoid the buggy codepath, but after that we
do not.

Fix the bug by not setting is_jmp.  The code after the exit_atomic
call up to the fail_label is dead, but TCG is smart enough to
eliminate it.  We do need to set 'tmp' to some valid value, though
(in the same way the exit_atomic-using code in tcg/tcg-op.c does).

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/953
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220331150858.96348-1-peter.maydell@linaro.org
2022-04-01 15:35:49 +01:00
Frederic Konrad
034e050dbd MAINTAINERS: change Fred Konrad's email address
frederic.konrad@adacore.com and konrad@adacore.com will stop working starting
2022-04-01.

Use my personal email instead.

Signed-off-by: Frederic Konrad <frederic.konrad@adacore.com>
Reviewed-by: Fabien Chouteau <chouteau@adacore.com <clg@kaod.org>>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 1648643217-15811-1-git-send-email-frederic.konrad@adacore.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-04-01 15:35:49 +01:00
Idan Horowitz
6c05a866cf target/arm: Determine final stage 2 output PA space based on original IPA
As per the AArch64.S2Walk() pseudo-code in the ARMv8 ARM, the final
decision as to the output address's PA space based on the SA/SW/NSA/NSW
bits needs to take the input IPA's PA space into account, and not the
PA space of the result of the stage 2 walk itself.

Signed-off-by: Idan Horowitz <idan.horowitz@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220327093427.1548629-4-idan.horowitz@gmail.com
[PMM: fixed commit message typo]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-04-01 15:35:49 +01:00
Idan Horowitz
bcd7a8cf38 target/arm: Take VSTCR.SW, VTCR.NSW into account in final stage 2 walk
As per the AArch64.SS2InitialTTWState() psuedo-code in the ARMv8 ARM the
initial PA space used for stage 2 table walks is assigned based on the SW
and NSW bits of the VSTCR and VTCR registers.
This was already implemented for the recursive stage 2 page table walks
in S1_ptw_translate(), but was missing for the final stage 2 walk.

Signed-off-by: Idan Horowitz <idan.horowitz@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220327093427.1548629-3-idan.horowitz@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-04-01 15:35:49 +01:00
Idan Horowitz
d3b2d19111 target/arm: Check VSTCR.SW when assigning the stage 2 output PA space
As per the AArch64.SS2OutputPASpace() psuedo-code in the ARMv8 ARM when the
PA space of the IPA is non secure, the output PA space is secure if and only
if all of the bits VTCR.<NSW, NSA>, VSTCR.<SW, SA> are not set.

Signed-off-by: Idan Horowitz <idan.horowitz@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220327093427.1548629-2-idan.horowitz@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-04-01 15:35:49 +01:00
Idan Horowitz
0da067f2a8 target/arm: Fix MTE access checks for disabled SEL2
While not mentioned anywhere in the actual specification text, the
HCR_EL2.ATA bit is treated as '1' when EL2 is disabled at the current
security state. This can be observed in the psuedo-code implementation
of AArch64.AllocationTagAccessIsEnabled().

Signed-off-by: Idan Horowitz <idan.horowitz@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220328173107.311267-1-idan.horowitz@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-04-01 15:35:48 +01:00
Marc-André Lureau
e32aaa5a19 trace: fix compilation with lttng-ust >= 2.13
On Fedora 36, with lttng-ust 2.13.1, compilation fails with:

In file included from trace/trace-ust-all.h:49085,
                 from trace/trace-ust-all.c:13:
/usr/include/lttng/tracepoint-event.h:67:10: error: #include expects "FILENAME" or <FILENAME>
   67 | #include LTTNG_UST_TRACEPOINT_INCLUDE
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~

In lttng-ust commit 41858e2b6e8 ("Fix: don't do macro expansion in
tracepoint file name") from 2012, starting from lttng-ust 2.1, the API
was changed to expect TRACEPOINT_INCLUDE to be defined as a string.

In lttng-ust commit d2966b4b0b2 ("Remove TRACEPOINT_INCLUDE_FILE
macro"), in 2021, the compatibility macro was removed.

Use the "new" API from 2012, and bump the version requirement to 2.1 to
fix compilation with >= 2.13.

According to repology, all distributions we support have >= 2.1 (centos
8 has oldest with 2.8.1 afaict)

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20220328084717.367993-2-marcandre.lureau@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-04-01 13:06:07 +02:00
Will Cohen
a136d17590 9p: move P9_XATTR_SIZE_MAX from 9p.h to 9p.c
The patch set adding 9p functionality to darwin introduced an issue
where limits.h, which defines XATTR_SIZE_MAX, is included in 9p.c,
though the referenced constant is needed in 9p.h. This commit fixes that
issue by moving the definition of P9_XATTR_SIZE_MAX, which uses
XATTR_SIZE_MAX, to also be in 9p.c.

Additionally, this commit moves the location of the system headers
include in 9p.c to occur before the project headers (except osdep.h).

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/950
Fixes: 38d7fd68b0 ("9p: darwin: Move XATTR_SIZE_MAX->P9_XATTR_SIZE_MAX")
Signed-off-by: Will Cohen <wwcohen@gmail.com>
Message-Id: <20220331182651.887-1-wwcohen@gmail.com>
[thuth: Adjusted placement of osdep.h]
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-04-01 13:06:07 +02:00
Thomas Huth
54c9b19421 meson.build: Fix dependency of page-vary-common.c to config-poison.h
Before compiling page-vary-common.c, we have to make sure that
config-poison.h has been generated (which is in the "genh" list).

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/948
Message-Id: <20220330114808.942933-1-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-04-01 13:06:07 +02:00
Bruno Haible
fc6e0d0f2d target/s390x: Fix determination of overflow condition code after subtraction
Reported by Paul Eggert in
https://lists.gnu.org/archive/html/bug-gnulib/2021-09/msg00050.html

This program currently prints different results when run with TCG instead
of running on real s390x hardware:

 #include <stdio.h>

 int overflow_32 (int x, int y)
 {
   int sum;
   return __builtin_sub_overflow (x, y, &sum);
 }

 int overflow_64 (long long x, long long y)
 {
   long sum;
   return __builtin_sub_overflow (x, y, &sum);
 }

 int a1 = 0;
 int b1 = -2147483648;
 long long a2 = 0L;
 long long b2 = -9223372036854775808L;

 int main ()
 {
   {
     int a = a1;
     int b = b1;
     printf ("a = 0x%x, b = 0x%x\n", a, b);
     printf ("no_overflow = %d\n", ! overflow_32 (a, b));
   }
   {
     long long a = a2;
     long long b = b2;
     printf ("a = 0x%llx, b = 0x%llx\n", a, b);
     printf ("no_overflow = %d\n", ! overflow_64 (a, b));
   }
 }

Signed-off-by: Bruno Haible <bruno@clisp.org>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/618
Message-Id: <20220323162621.139313-3-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-04-01 13:06:07 +02:00
Bruno Haible
5a2e67a691 target/s390x: Fix determination of overflow condition code after addition
This program currently prints different results when run with TCG instead
of running on real s390x hardware:

 #include <stdio.h>

 int overflow_32 (int x, int y)
 {
   int sum;
   return ! __builtin_add_overflow (x, y, &sum);
 }

 int overflow_64 (long long x, long long y)
 {
   long sum;
   return ! __builtin_add_overflow (x, y, &sum);
 }

 int a1 = -2147483648;
 int b1 = -2147483648;
 long long a2 = -9223372036854775808L;
 long long b2 = -9223372036854775808L;

 int main ()
 {
   {
     int a = a1;
     int b = b1;
     printf ("a = 0x%x, b = 0x%x\n", a, b);
     printf ("no_overflow = %d\n", overflow_32 (a, b));
   }
   {
     long long a = a2;
     long long b = b2;
     printf ("a = 0x%llx, b = 0x%llx\n", a, b);
     printf ("no_overflow = %d\n", overflow_64 (a, b));
   }
 }

Signed-off-by: Bruno Haible <bruno@clisp.org>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/616
Message-Id: <20220323162621.139313-2-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-04-01 13:06:07 +02:00
Yonggang Luo
e7c2d7436e misc: Fixes MAINTAINERS's path .github/workflows/lockdown.yml
Signed-off-by: Yonggang Luo <luoyonggang@gmail.com>
Message-Id: <20220323080755.156-4-luoyonggang@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-04-01 13:06:07 +02:00
Peter Maydell
9b617b1bb4 Trivial branch pull request 20220401
Fix sh4 linux-user build on Alpine
 and some trivial updates
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Merge tag 'trivial-branch-for-7.0-pull-request' of https://gitlab.com/laurent_vivier/qemu into staging

Trivial branch pull request 20220401

Fix sh4 linux-user build on Alpine
and some trivial updates

# gpg: Signature made Thu 31 Mar 2022 23:18:21 BST
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* tag 'trivial-branch-for-7.0-pull-request' of https://gitlab.com/laurent_vivier/qemu:
  tests/lcitool: Do not use a hard-coded /usr/bin/python3 as python interpreter
  vhost-vdpa: fix typo in a comment
  target/sh4: Remove old README.sh4 file
  linux-user/sh4/termbits: Silence warning about TIOCSER_TEMT double definition

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-04-01 10:23:27 +01:00
Yueh-Ting (eop) Chen
8ff8ac6329 target/riscv: rvv: Add missing early exit condition for whole register load/store
According to v-spec (section 7.9):
The instructions operate with an effective vector length, evl=NFIELDS*VLEN/EEW,
regardless of current settings in vtype and vl. The usual property that no
elements are written if vstart ≥ vl does not apply to these instructions.
Instead, no elements are written if vstart ≥ evl.

Signed-off-by: eop Chen <eop.chen@sifive.com>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <164762720573.18409.3931931227997483525-0@git.sr.ht>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-04-01 08:40:55 +10:00
Palmer Dabbelt
5242ef887d target/riscv: Avoid leaking "no translation" TLB entries
The ISA doesn't allow bare mappings to be cached, as the caches are
translations and bare mppings are not translated.  We cache these
translations in QEMU in order to utilize the TLB code, but that leaks
out to the guest.

Suggested-by: phantom@zju.edu.cn # no name in the From field
Fixes: 1e0d985fa9 ("target/riscv: Only flush TLB if SATP.ASID changes")
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20220330165913.8836-1-palmer@rivosinc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-04-01 08:40:42 +10:00
Thomas Huth
04cca669b2 tests/lcitool: Do not use a hard-coded /usr/bin/python3 as python interpreter
When running "make lcitool-refresh", this currently uses the hard-coded
/usr/bin/python3 from the script's shebang line for running Python.
That's bad, since neither /usr/bin/python3 is guaranteed to exist, nor
does it honor the python interpreter that the user might have chosen
while running the "configure" script. Thus let's rather use $(PYTHON)
in the Makefile, and improve the shebang line in the script in case
someone runs this directly.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220329063958.262669-1-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-03-31 21:32:49 +02:00
Stefano Garzarella
ef4ff56cf3 vhost-vdpa: fix typo in a comment
Replace vpda with vdpa.

Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220328152022.73245-1-sgarzare@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-03-31 21:30:56 +02:00
Thomas Huth
b49202151c target/sh4: Remove old README.sh4 file
This file didn't have any non-trivial update since it was initially
added in 2006, and looking at the content, it seems incredibly outdated,
saying e.g. "The sh4 target is not ready at all yet for integration in
qemu" or "A sh4 user-mode has also somewhat started but will be worked
on afterwards"... Sounds like nobody is interested in this README file
anymore, so let's simply remove it now.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Message-Id: <20220329151955.472306-1-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-03-31 21:29:15 +02:00
Thomas Huth
b1f4b9b832 linux-user/sh4/termbits: Silence warning about TIOCSER_TEMT double definition
Seen while compiling on Alpine:

 In file included from ../linux-user/strace.c:17:
 In file included from ../linux-user/qemu.h:11:
 In file included from ../linux-user/syscall_defs.h:1247:
 ../linux-user/sh4/termbits.h:276:10: warning: 'TIOCSER_TEMT' macro redefined
  [-Wmacro-redefined]
 # define TIOCSER_TEMT    0x01   /* Transmitter physically empty */
          ^
 /usr/include/sys/ioctl.h:50:9: note: previous definition is here
 #define TIOCSER_TEMT 1
         ^
 1 warning generated.

Add the TARGET_ prefix here, too, like we do it on the other architectures.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Message-Id: <20220330134302.979686-1-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-03-31 21:27:02 +02:00
Peter Maydell
d5341e0913 Fix tcg/aarch64 buglet for Windows on ARM host (#947).
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 -----END PGP SIGNATURE-----

Merge tag 'pull-tcg-20220331' of https://gitlab.com/rth7680/qemu into staging

Fix tcg/aarch64 buglet for Windows on ARM host (#947).

# gpg: Signature made Thu 31 Mar 2022 18:05:46 BST
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* tag 'pull-tcg-20220331' of https://gitlab.com/rth7680/qemu:
  tcg/aarch64: Use 'ull' suffix to force 64-bit constant

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-03-31 18:36:08 +01:00
Richard Henderson
7ceee3a19b tcg/aarch64: Use 'ull' suffix to force 64-bit constant
Typo used only 'ul' suffix, which is still 32-bits for windows host.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/947
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-31 11:03:59 -06:00
Peter Maydell
cace6c6f3a QAPI patches patches for 2022-03-31
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 -----END PGP SIGNATURE-----

Merge tag 'pull-qapi-2022-03-31' of git://repo.or.cz/qemu/armbru into staging

QAPI patches patches for 2022-03-31

# gpg: Signature made Thu 31 Mar 2022 11:51:34 BST
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* tag 'pull-qapi-2022-03-31' of git://repo.or.cz/qemu/armbru:
  qapi: fix example of dump-guest-memory
  qapi: fix example of ACPI_DEVICE_OST event
  qapi: ui examples: add missing @websocket member
  qapi: fix example of MEMORY_FAILURE
  qapi: run-state examples: add missing @timestamp
  qapi: fix examples: SHUTDOWN and RESET events
  qapi: fix example of FAILOVER_NEGOTIATED event
  qapi: fix example of UNPLUG_PRIMARY event
  qapi: fix example of MEMORY_DEVICE_SIZE_CHANGE event
  qapi: fix example of DUMP_COMPLETED event
  qapi: fix example of BLOCK_JOB_PENDING event
  qapi: fix example of BLOCK_IO_ERROR event
  qapi: fix example of BLOCK_IMAGE_CORRUPTED event
  qapi: BlockExportRemoveMode: move comments to TODO
  schemas: add missing vim modeline

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-03-31 11:56:52 +01:00
Victor Toso
4375cf9868 qapi: fix example of dump-guest-memory
Example output lacks mandatory member @paging.  Provide it.

Signed-off-by: Victor Toso <victortoso@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-Id: <20220328140604.41484-15-victortoso@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2022-03-31 12:35:59 +02:00
Victor Toso
69bd6cb829 qapi: fix example of ACPI_DEVICE_OST event
Example output lacks mandatory member @timestamp.  Provide it.

Event's @data member is missing @info object. Provide it.

Signed-off-by: Victor Toso <victortoso@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-Id: <20220328140604.41484-14-victortoso@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2022-03-31 12:35:59 +02:00