Merge tag 'pull-misc-20240805' of https://gitlab.com/rth7680/qemu into staging

linux-user/elfload: Fix pr_pid values in core files
util: Add qemu_close_all_open_fd
net/tap: Use qemu_close_all_open_f

Merge tag 'pull-misc-20240805' of https://gitlab.com/rth7680/qemu into staging

linux-user/elfload: Fix pr_pid values in core files
util: Add qemu_close_all_open_fd
net/tap: Use qemu_close_all_open_fd

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* tag 'pull-misc-20240805' of https://gitlab.com/rth7680/qemu:
net/tap: Use qemu_close_all_open_fd()
qemu/osdep: Add excluded fd parameter to qemu_close_all_open_fd()
net/tap: Factorize fd closing after forking
qemu/osdep: Split qemu_close_all_open_fd() and add fallback
qemu/osdep: Move close_all_open_fds() to oslib-posix
linux-user/elfload: Fix pr_pid values in core files

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

net/tap: Use qemu_close_all_open_fd()

Instead of using a slow implementation to close all open fd after
forking, use qemu_close_all_open_fd().

Signed-off-by: Clément Léger <cleger@rivosinc.com>
Rev

net/tap: Use qemu_close_all_open_fd()

Instead of using a slow implementation to close all open fd after
forking, use qemu_close_all_open_fd().

Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20240802145423.3232974-6-cleger@rivosinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

net/tap: Factorize fd closing after forking

The same code is used twice to actually close all open file descriptors
after forking. Factorize it in a single place.

Signed-off-by: Clément Léger <cleg

net/tap: Factorize fd closing after forking

The same code is used twice to actually close all open file descriptors
after forking. Factorize it in a single place.

Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20240802145423.3232974-4-cleger@rivosinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

Merge tag 'net-pull-request' of https://github.com/jasowang/qemu into staging

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Merge tag 'net-pull-request' of https://github.com/jasowang/qemu into staging

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# 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: 215D 46F4 8246 689E C77F 3562 EF04 965B 398D 6211

* tag 'net-pull-request' of https://github.com/jasowang/qemu:
ebpf: Added traces back. Changed source set for eBPF to 'system'.
virtio-net: drop too short packets early
ebpf: Add a separate target for skeleton
ebpf: Refactor tun_rss_steering_prog()
ebpf: Return 0 when configuration fails
ebpf: Fix RSS error handling
virtio-net: Do not write hashes to peer buffer
virtio-net: Always set populate_hash
virtio-net: Unify the logic to update NIC state for RSS
virtio-net: Disable RSS on reset
virtio-net: Shrink header byte swapping buffer
virtio-net: Copy header only when necessary
virtio-net: Add only one queue pair when realizing
virtio-net: Do not propagate ebpf-rss-fds errors
tap: Shrink zeroed virtio-net header
tap: Call tap_receive_iov() from tap_receive()
net: Remove receive_raw()
net: Move virtio-net header length assertion
tap: Remove qemu_using_vnet_hdr()
tap: Remove tap_probe_vnet_hdr_len()

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

tap: Shrink zeroed virtio-net header

tap prepends a zeroed virtio-net header when writing a packet to a
tap with virtio-net header enabled but not in use. This only happens
when s->host_vnet_hdr_len

tap: Shrink zeroed virtio-net header

tap prepends a zeroed virtio-net header when writing a packet to a
tap with virtio-net header enabled but not in use. This only happens
when s->host_vnet_hdr_len == sizeof(struct virtio_net_hdr).

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>

show more ...

tap: Call tap_receive_iov() from tap_receive()

This will save duplicate logic found in both of tap_receive_iov() and
tap_receive().

Suggested-by: "Zhang, Chen" <chen.zhang@intel.com>
Signed-off-by:

tap: Call tap_receive_iov() from tap_receive()

This will save duplicate logic found in both of tap_receive_iov() and
tap_receive().

Suggested-by: "Zhang, Chen" <chen.zhang@intel.com>
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>

show more ...

net: Remove receive_raw()

While netmap implements virtio-net header, it does not implement
receive_raw(). Instead of implementing receive_raw for netmap, add
virtio-net headers in the common code an

net: Remove receive_raw()

While netmap implements virtio-net header, it does not implement
receive_raw(). Instead of implementing receive_raw for netmap, add
virtio-net headers in the common code and use receive_iov()/receive()
instead. This also fixes the buffer size for the virtio-net header.

Fixes: fbbdbddec0 ("tap: allow extended virtio header with hash info")
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>

show more ...

net: Move virtio-net header length assertion

The virtio-net header length assertion should happen for any clients.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang

net: Move virtio-net header length assertion

The virtio-net header length assertion should happen for any clients.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>

show more ...

tap: Remove qemu_using_vnet_hdr()

Since qemu_set_vnet_hdr_len() is always called when
qemu_using_vnet_hdr() is called, we can merge them and save some code.

For consistency, express that the virtio

tap: Remove qemu_using_vnet_hdr()

Since qemu_set_vnet_hdr_len() is always called when
qemu_using_vnet_hdr() is called, we can merge them and save some code.

For consistency, express that the virtio-net header is not in use by
returning 0 with qemu_get_vnet_hdr_len() instead of having a dedicated
function, qemu_get_using_vnet_hdr().

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>

show more ...

tap: Remove tap_probe_vnet_hdr_len()

It was necessary since an Linux older than 2.6.35 may implement the
virtio-net header but may not allow to change its length. Remove it
since such an old Linux i

tap: Remove tap_probe_vnet_hdr_len()

It was necessary since an Linux older than 2.6.35 may implement the
virtio-net header but may not allow to change its length. Remove it
since such an old Linux is no longer supported.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>

show more ...

Merge tag 'net-pull-request' of https://github.com/jasowang/qemu into staging

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Merge tag 'net-pull-request' of https://github.com/jasowang/qemu into staging

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# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 215D 46F4 8246 689E C77F 3562 EF04 965B 398D 6211

* tag 'net-pull-request' of https://github.com/jasowang/qemu:
Revert "tap: setting error appropriately when calling net_init_tap_one()"
tap-win32: Remove unnecessary stubs
hw/net/net_tx_pkt: Fix virtio header without checksum offloading
ebpf: Fix indirections table setting
virtio-net: Fix vhost virtqueue notifiers for RSS

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

Revert "tap: setting error appropriately when calling net_init_tap_one()"

This reverts commit 46d4d36d0bf2b24b205f2f604f0905db80264eef.

The reverted commit changed to emit warnings instead of error

Revert "tap: setting error appropriately when calling net_init_tap_one()"

This reverts commit 46d4d36d0bf2b24b205f2f604f0905db80264eef.

The reverted commit changed to emit warnings instead of errors when
vhost is requested but vhost initialization fails if vhostforce option
is not set.

However, vhostforce is not meant to ignore vhost errors. It was once
introduced as an option to commit 5430a28fe4 ("vhost: force vhost off
for non-MSI guests") to force enabling vhost for non-MSI guests, which
will have worse performance with vhost. The option was deprecated with
commit 1e7398a140 ("vhost: enable vhost without without MSI-X") and
changed to behave identical with the vhost option for compatibility.

Worse, commit bf769f742c ("virtio: del net client if net_init_tap_one
failed") changed to delete the client when vhost fails even when the
failure only results in a warning. The leads to an assertion failure
for the -netdev command line option.

The reverted commit was intended to avoid that the vhost initialization
failure won't result in a corrupted netdev. This problem should have
been fixed by deleting netdev when the initialization fails instead of
ignoring the failure with an arbitrary option. Fortunately, commit
bf769f742c ("virtio: del net client if net_init_tap_one failed"),
mentioned earlier, implements this behavior.

Restore the correct semantics and fix the assertion failure for the
-netdev command line option by reverting the problematic commit.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>

show more ...

Merge tag 'block-pull-request' of https://gitlab.com/stefanha/qemu into staging

Pull request

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Merge tag 'block-pull-request' of https://gitlab.com/stefanha/qemu into staging

Pull request

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# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [full]
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" [full]
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8

* tag 'block-pull-request' of https://gitlab.com/stefanha/qemu:
Rename "QEMU global mutex" to "BQL" in comments and docs
Replace "iothread lock" with "BQL" in comments
qemu/main-loop: rename qemu_cond_wait_iothread() to qemu_cond_wait_bql()
qemu/main-loop: rename QEMU_IOTHREAD_LOCK_GUARD to BQL_LOCK_GUARD
system/cpus: rename qemu_mutex_lock_iothread() to bql_lock()
iothread: Remove unused Error** argument in aio_context_set_aio_params

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

Rename "QEMU global mutex" to "BQL" in comments and docs

The term "QEMU global mutex" is identical to the more widely used Big
QEMU Lock ("BQL"). Update the code comments and documentation to use
"B

Rename "QEMU global mutex" to "BQL" in comments and docs

The term "QEMU global mutex" is identical to the more widely used Big
QEMU Lock ("BQL"). Update the code comments and documentation to use
"BQL" instead of "QEMU global mutex".

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Paul Durrant <paul@xen.org>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Message-id: 20240102153529.486531-6-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

Merge tag 'net-pull-request' of https://github.com/jasowang/qemu into staging

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Merge tag 'net-pull-request' of https://github.com/jasowang/qemu into staging

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# gpg: Signature made Mon 18 Sep 2023 02:56:11 EDT
# gpg: using RSA key EF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>" [full]
# Primary key fingerprint: 215D 46F4 8246 689E C77F 3562 EF04 965B 398D 6211

* tag 'net-pull-request' of https://github.com/jasowang/qemu:
net/tap: Avoid variable-length array
net/dump: Avoid variable length array
hw/net/rocker: Avoid variable length array
hw/net/fsl_etsec/rings.c: Avoid variable length array
net: add initial support for AF_XDP network backend
tests: bump libvirt-ci for libasan and libxdp
e1000e: rename e1000e_ba_state and e1000e_write_hdr_to_rx_buffers
igb: packet-split descriptors support
igb: add IPv6 extended headers traffic detection
igb: RX payload guest writting refactoring
igb: RX descriptors guest writting refactoring
igb: rename E1000E_RingInfo_st
igb: remove TCP ACK detection
virtio-net: Add support for USO features
virtio-net: Add USO flags to vhost support.
tap: Add check for USO features
tap: Add USO support to tap device.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

net/tap: Avoid variable-length array

Use a heap allocation instead of a variable length array in
tap_receive_iov().

The codebase has very few VLAs, and if we can get rid of them all we
can make the

net/tap: Avoid variable-length array

Use a heap allocation instead of a variable length array in
tap_receive_iov().

The codebase has very few VLAs, and if we can get rid of them all we
can make the compiler error on new additions. This is a defensive
measure against security bugs where an on-stack dynamic allocation
isn't correctly size-checked (e.g. CVE-2021-3527).

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Francisco Iglesias <frasse.iglesias@gmail.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>

show more ...

tap: Add check for USO features

Tap indicates support for USO features according to
capabilities of current kernel module.

Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com>
Signed-off-b

tap: Add check for USO features

Tap indicates support for USO features according to
capabilities of current kernel module.

Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com>
Signed-off-by: Andrew Melnychecnko <andrew@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>

show more ...

tap: Add USO support to tap device.

Passing additional parameters (USOv4 and USOv6 offloads) when
setting TAP offloads

Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com>
Signed-off-by: A

tap: Add USO support to tap device.

Passing additional parameters (USOv4 and USOv6 offloads) when
setting TAP offloads

Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com>
Signed-off-by: Andrew Melnychenko <andrew@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>

show more ...

Merge tag 'net-pull-request' of https://github.com/jasowang/qemu into staging

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Merge tag 'net-pull-request' of https://github.com/jasowang/qemu into staging

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# gpg: Signature made Fri 10 Mar 2023 09:27:33 GMT
# gpg: using RSA key EF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>" [marginal]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 215D 46F4 8246 689E C77F 3562 EF04 965B 398D 6211

* tag 'net-pull-request' of https://github.com/jasowang/qemu: (44 commits)
ebpf: fix compatibility with libbpf 1.0+
docs/system/devices/igb: Add igb documentation
tests/avocado: Add igb test
igb: Introduce qtest for igb device
tests/qtest/libqos/e1000e: Export macreg functions
tests/qtest/e1000e-test: Fabricate ethernet header
Intrdocue igb device emulation
e1000: Split header files
pcie: Introduce pcie_sriov_num_vfs
net/eth: Introduce EthL4HdrProto
e1000e: Implement system clock
net/eth: Report if headers are actually present
e1000e: Count CRC in Tx statistics
e1000: Count CRC in Tx statistics
e1000e: Combine rx traces
MAINTAINERS: Add e1000e test files
MAINTAINERS: Add Akihiko Odaki as a e1000e reviewer
e1000e: Do not assert when MSI-X is disabled later
hw/net/net_tx_pkt: Check the payload length
hw/net/net_tx_pkt: Implement TCP segmentation
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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net: Strip virtio-net header when dumping

filter-dump specifiees Ethernet as PCAP LinkType, which does not expect
virtio-net header. Having virtio-net header in such PCAP file breaks
PCAP unconsumab

net: Strip virtio-net header when dumping

filter-dump specifiees Ethernet as PCAP LinkType, which does not expect
virtio-net header. Having virtio-net header in such PCAP file breaks
PCAP unconsumable. Unfortunately currently there is no LinkType for
virtio-net so for now strip virtio-net header to convert the output to
Ethernet.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>

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Merge tag 'pull-request-2023-01-09' of https://gitlab.com/thuth/qemu into staging

* s390x header clean-ups from Philippe
* Rework and improvements of the EINTR handling by Nikita
* Deprecate the -no

Merge tag 'pull-request-2023-01-09' of https://gitlab.com/thuth/qemu into staging

* s390x header clean-ups from Philippe
* Rework and improvements of the EINTR handling by Nikita
* Deprecate the -no-hpet command line option
* Disable the qtests in the 32-bit Windows CI job again
* Some other misc fixes here and there

# gpg: Signature made Mon 09 Jan 2023 14:21:19 GMT
# 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-2023-01-09' of https://gitlab.com/thuth/qemu:
.gitlab-ci.d/windows: Do not run the qtests in the msys2-32bit job
error handling: Use RETRY_ON_EINTR() macro where applicable
Refactoring: refactor TFR() macro to RETRY_ON_EINTR()
docs/interop: Change the vnc-ledstate-Pseudo-encoding doc into .rst
i386: Deprecate the -no-hpet QEMU command line option
tests/qtest/bios-tables-test: Replace -no-hpet with hpet=off machine parameter
tests/readconfig: spice doesn't support unix socket on windows yet
target/s390x: Restrict sysemu/reset.h to system emulation
target/s390x/tcg/excp_helper: Restrict system headers to sysemu
target/s390x/tcg/misc_helper: Remove unused "memory.h" include
hw/s390x/pv: Restrict Protected Virtualization to sysemu
exec/memory: Expose memory_region_access_valid()
MAINTAINERS: Add MIPS-related docs and configs to the MIPS architecture section
tests/vm: Update get_default_jobs() to work on non-x86_64 non-KVM hosts
qemu-iotests/stream-under-throttle: do not shutdown QEMU

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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error handling: Use RETRY_ON_EINTR() macro where applicable

There is a defined RETRY_ON_EINTR() macro in qemu/osdep.h
which handles the same while loop.

Resolves: https://gitlab.com/qemu-project/qe

error handling: Use RETRY_ON_EINTR() macro where applicable

There is a defined RETRY_ON_EINTR() macro in qemu/osdep.h
which handles the same while loop.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/415
Signed-off-by: Nikita Ivanov <nivanov@cloudlinux.com>
Message-Id: <20221023090422.242617-3-nivanov@cloudlinux.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
[thuth: Dropped the hunk that changed socket_accept() in libqtest.c]
Signed-off-by: Thomas Huth <thuth@redhat.com>

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Refactoring: refactor TFR() macro to RETRY_ON_EINTR()

Rename macro name to more transparent one and refactor
it to expression.

Signed-off-by: Nikita Ivanov <nivanov@cloudlinux.com>
Message-Id: <202

Refactoring: refactor TFR() macro to RETRY_ON_EINTR()

Rename macro name to more transparent one and refactor
it to expression.

Signed-off-by: Nikita Ivanov <nivanov@cloudlinux.com>
Message-Id: <20221023090422.242617-2-nivanov@cloudlinux.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

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Merge tag 'pull-qapi-2022-12-14-v2' of https://repo.or.cz/qemu/armbru into staging

QAPI patches patches for 2022-12-14

# gpg: Signature made Wed 14 Dec 2022 19:14:34 GMT
# gpg: using

Merge tag 'pull-qapi-2022-12-14-v2' of https://repo.or.cz/qemu/armbru into staging

QAPI patches patches for 2022-12-14

# gpg: Signature made Wed 14 Dec 2022 19:14:34 GMT
# 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-2022-12-14-v2' of https://repo.or.cz/qemu/armbru: (30 commits)
qapi: Drop temporary logic to support conversion step by step
qapi qga: Elide redundant has_FOO in generated C
qapi virtio: Elide redundant has_FOO in generated C
qapi ui: Elide redundant has_FOO in generated C
qapi transaction: Elide redundant has_FOO in generated C
qapi tpm: Elide redundant has_FOO in generated C
qapi stats: Elide redundant has_FOO in generated C
qapi run-state: Elide redundant has_FOO in generated C
qapi rocker: Elide redundant has_FOO in generated C
qapi replay: Elide redundant has_FOO in generated C
qapi qdev qom: Elide redundant has_FOO in generated C
qapi pci: Elide redundant has_FOO in generated C
qapi net: Elide redundant has_FOO in generated C
qapi misc: Elide redundant has_FOO in generated C
qapi migration: Elide redundant has_FOO in generated C
qapi machine: Elide redundant has_FOO in generated C
qapi job: Elide redundant has_FOO in generated C
qapi dump: Elide redundant has_FOO in generated C
qapi crypto: Elide redundant has_FOO in generated C
qapi chardev: Elide redundant has_FOO in generated C
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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qapi net: Elide redundant has_FOO in generated C

The has_FOO for pointer-valued FOO are redundant, except for arrays.
They are also a nuisance to work with. Recent commit "qapi: Start to
elide redu

qapi net: Elide redundant has_FOO in generated C

The has_FOO for pointer-valued FOO are redundant, except for arrays.
They are also a nuisance to work with. Recent commit "qapi: Start to
elide redundant has_FOO in generated C" provided the means to elide
them step by step. This is the step for qapi/net.json.

Said commit explains the transformation in more detail. The invariant
violations mentioned there do not occur here.

Cc: Jason Wang <jasowang@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20221104160712.3005652-19-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
[Fixes for MacOS squashed in]

show more ...