Merge tag 'pull-request-2025-06-11' of https://gitlab.com/thuth/qemu into staging

* Remove aarch64 job from travis.yml
* Remove deprecated s390-ccw-virtio-4.1 machine
* Add memlock functional test
* Various other small updates and fixes

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# gpg: Signature made Wed 11 Jun 2025 08:54:16 EDT
# 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-2025-06-11' of https://gitlab.com/thuth/qemu:
  scripts/meson-buildoptions: Sort coroutine_backend choices lexicographically
  MAINTAINERS: Update Akihiko Odaki's affiliation
  MAINTAINERS: Update the paths to the testing documentation files
  tests/vm/README: fix documentation path in tests/vm/README
  tests/functional: add memlock tests
  tests/functional: add skipLockedMemoryTest decorator
  tests/functional: Speed up the avr_mega2560 test
  tests/functional: Use the 'none' machine for the VNC test
  hw/s390x/s390-virtio-ccw: Remove the deprecated 4.1 machine type
  travis.yml: Remove the aarch64 job

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

12 files changed, 117 insertions, 70 deletions

diff --git a/.travis.yml b/.travis.yml
index 8fc1ae0cf2..0a634d7b4a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -79,41 +79,6 @@ after_script:
 jobs:
   include:
 
-    - name: "[aarch64] GCC check-tcg"
-      arch: arm64
-      addons:
-        apt_packages:
-          - libaio-dev
-          - libattr1-dev
-          - libbrlapi-dev
-          - libcacard-dev
-          - libcap-ng-dev
-          - libfdt-dev
-          - libgcrypt20-dev
-          - libgnutls28-dev
-          - libgtk-3-dev
-          - libiscsi-dev
-          - liblttng-ust-dev
-          - libncurses5-dev
-          - libnfs-dev
-          - libpixman-1-dev
-          - libpng-dev
-          - librados-dev
-          - libsdl2-dev
-          - libseccomp-dev
-          - liburcu-dev
-          - libusb-1.0-0-dev
-          - libvdeplug-dev
-          - libvte-2.91-dev
-          - ninja-build
-          - python3-tomli
-          # Tests dependencies
-          - genisoimage
-      env:
-        - TEST_CMD="make check check-tcg V=1"
-        - CONFIG="--disable-containers --enable-fdt=system
-                  --target-list=${MAIN_SYSTEM_TARGETS} --cxx=/bin/false"
-
     - name: "[ppc64] Clang check-tcg"
       arch: ppc64le
       compiler: clang
diff --git a/MAINTAINERS b/MAINTAINERS
index a6f210dba5..bc3b56d8dd 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2125,7 +2125,7 @@ M: Michael S. Tsirkin <mst@redhat.com>
 S: Supported
 F: tests/functional/acpi-bits/*
 F: tests/functional/test_acpi_bits.py
-F: docs/devel/acpi-bits.rst
+F: docs/devel/testing/acpi-bits.rst
 
 ACPI/HEST/GHES
 R: Dongjiu Geng <gengdongjiu1@gmail.com>
@@ -3441,8 +3441,8 @@ F: system/qtest.c
 F: include/system/qtest.h
 F: accel/qtest/
 F: tests/qtest/
-F: docs/devel/qgraph.rst
-F: docs/devel/qtest.rst
+F: docs/devel/testing/qgraph.rst
+F: docs/devel/testing/qtest.rst
 X: tests/qtest/bios-tables-test*
 X: tests/qtest/migration-*
 
@@ -3460,7 +3460,7 @@ F: tests/qtest/fuzz-*test.c
 F: tests/docker/test-fuzz
 F: scripts/oss-fuzz/
 F: hw/mem/sparse-mem.c
-F: docs/devel/fuzzing.rst
+F: docs/devel/testing/fuzzing.rst
 
 Register API
 M: Alistair Francis <alistair@alistair23.me>
@@ -4079,7 +4079,7 @@ M: Stefan Hajnoczi <stefanha@redhat.com>
 L: qemu-block@nongnu.org
 S: Supported
 F: block/blkverify.c
-F: docs/devel/blkverify.rst
+F: docs/devel/testing/blkverify.rst
 
 bochs
 M: Stefan Hajnoczi <stefanha@redhat.com>
@@ -4157,7 +4157,7 @@ M: Hanna Reitz <hreitz@redhat.com>
 L: qemu-block@nongnu.org
 S: Supported
 F: block/blkdebug.c
-F: docs/devel/blkdebug.rst
+F: docs/devel/testing/blkdebug.rst
 
 vpc
 M: Kevin Wolf <kwolf@redhat.com>
@@ -4277,7 +4277,8 @@ F: tests/vm/
 F: tests/lcitool/
 F: tests/functional/test_*_tuxrun.py
 F: scripts/archive-source.sh
-F: docs/devel/testing.rst
+F: docs/devel/testing/ci*
+F: docs/devel/testing/main.rst
 W: https://gitlab.com/qemu-project/qemu/pipelines
 W: https://travis-ci.org/qemu/qemu
 
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index f69a4d8ed3..ce3c13defb 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -1145,20 +1145,6 @@ static void ccw_machine_4_2_class_options(MachineClass *mc)
 }
 DEFINE_CCW_MACHINE(4, 2);
 
-static void ccw_machine_4_1_instance_options(MachineState *machine)
-{
-    static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V4_1 };
-    ccw_machine_4_2_instance_options(machine);
-    s390_set_qemu_cpu_model(0x2964, 13, 2, qemu_cpu_feat);
-}
-
-static void ccw_machine_4_1_class_options(MachineClass *mc)
-{
-    ccw_machine_4_2_class_options(mc);
-    compat_props_add(mc->compat_props, hw_compat_4_1, hw_compat_4_1_len);
-}
-DEFINE_CCW_MACHINE(4, 1);
-
 static void ccw_machine_register_types(void)
 {
     type_register_static(&ccw_machine_info);
diff --git a/scripts/meson-buildoptions.sh b/scripts/meson-buildoptions.sh
index f09ef9604f..73e0770f42 100644
--- a/scripts/meson-buildoptions.sh
+++ b/scripts/meson-buildoptions.sh
@@ -80,7 +80,7 @@ meson_options_help() {
   printf "%s\n" '  --tls-priority=VALUE     Default TLS protocol/cipher priority string'
   printf "%s\n" '                           [NORMAL]'
   printf "%s\n" '  --with-coroutine=CHOICE  coroutine backend to use (choices:'
-  printf "%s\n" '                           auto/sigaltstack/ucontext/windows/wasm)'
+  printf "%s\n" '                           auto/sigaltstack/ucontext/wasm/windows)'
   printf "%s\n" '  --with-pkgversion=VALUE  use specified string as sub-version of the'
   printf "%s\n" '                           package'
   printf "%s\n" '  --with-suffix=VALUE      Suffix for QEMU data/modules/config directories'
diff --git a/target/s390x/gen-features.c b/target/s390x/gen-features.c
index a814ece82f..8218e6470e 100644
--- a/target/s390x/gen-features.c
+++ b/target/s390x/gen-features.c
@@ -884,9 +884,6 @@ static uint16_t qemu_MIN[] = {
      */
     S390_FEAT_FLOATING_POINT_EXT,
     S390_FEAT_ZPCI,
-};
-
-static uint16_t qemu_V4_1[] = {
     S390_FEAT_STFLE_53,
     S390_FEAT_VECTOR,
 };
@@ -1049,7 +1046,6 @@ static FeatGroupDefSpec FeatGroupDef[] = {
  *******************************/
 static FeatGroupDefSpec QemuFeatDef[] = {
     QEMU_FEAT_INITIALIZER(MIN),
-    QEMU_FEAT_INITIALIZER(V4_1),
     QEMU_FEAT_INITIALIZER(V6_0),
     QEMU_FEAT_INITIALIZER(V6_2),
     QEMU_FEAT_INITIALIZER(V7_0),
diff --git a/tests/functional/meson.build b/tests/functional/meson.build
index e406451cd3..7faa2b6e3c 100644
--- a/tests/functional/meson.build
+++ b/tests/functional/meson.build
@@ -313,6 +313,7 @@ tests_x86_64_system_quick = [
   'virtio_version',
   'x86_cpu_model_versions',
   'vnc',
+  'memlock',
 ]
 
 tests_x86_64_system_thorough = [
diff --git a/tests/functional/qemu_test/__init__.py b/tests/functional/qemu_test/__init__.py
index af41c2c6a2..6e666a059f 100644
--- a/tests/functional/qemu_test/__init__.py
+++ b/tests/functional/qemu_test/__init__.py
@@ -15,6 +15,6 @@ from .testcase import QemuBaseTest, QemuUserTest, QemuSystemTest
 from .linuxkernel import LinuxKernelTest
 from .decorators import skipIfMissingCommands, skipIfNotMachine, \
     skipFlakyTest, skipUntrustedTest, skipBigDataTest, skipSlowTest, \
-    skipIfMissingImports, skipIfOperatingSystem
+    skipIfMissingImports, skipIfOperatingSystem, skipLockedMemoryTest
 from .archive import archive_extract
 from .uncompress import uncompress
diff --git a/tests/functional/qemu_test/decorators.py b/tests/functional/qemu_test/decorators.py
index 50d29de533..c0d1567b14 100644
--- a/tests/functional/qemu_test/decorators.py
+++ b/tests/functional/qemu_test/decorators.py
@@ -5,6 +5,7 @@
 import importlib
 import os
 import platform
+import resource
 from unittest import skipIf, skipUnless
 
 from .cmd import which
@@ -131,3 +132,20 @@ def skipIfMissingImports(*args):
 
     return skipUnless(has_imports, 'required import(s) "%s" not installed' %
                                    ", ".join(args))
+
+'''
+Decorator to skip execution of a test if the system's
+locked memory limit is below the required threshold.
+Takes required locked memory threshold in kB.
+Example:
+
+  @skipLockedMemoryTest(2_097_152)
+'''
+def skipLockedMemoryTest(locked_memory):
+    # get memlock hard limit in bytes
+    _, ulimit_memory = resource.getrlimit(resource.RLIMIT_MEMLOCK)
+
+    return skipUnless(
+        ulimit_memory == resource.RLIM_INFINITY or ulimit_memory >= locked_memory * 1024,
+        f'Test required {locked_memory} kB of available locked memory',
+    )
diff --git a/tests/functional/test_avr_mega2560.py b/tests/functional/test_avr_mega2560.py
index 8e47b4200b..6359b72af3 100755
--- a/tests/functional/test_avr_mega2560.py
+++ b/tests/functional/test_avr_mega2560.py
@@ -18,12 +18,10 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 
-import time
+from qemu_test import QemuSystemTest, Asset, wait_for_console_pattern
 
-from qemu_test import QemuSystemTest, Asset
 
 class AVR6Machine(QemuSystemTest):
-    timeout = 5
 
     ASSET_ROM = Asset(('https://github.com/seharris/qemu-avr-tests'
                        '/raw/36c3e67b8755dcf/free-rtos/Demo'
@@ -40,13 +38,12 @@ class AVR6Machine(QemuSystemTest):
         self.set_machine('arduino-mega-2560-v3')
         self.vm.add_args('-bios', rom_path)
         self.vm.add_args('-nographic')
+        self.vm.set_console()
         self.vm.launch()
 
-        time.sleep(2)
-        self.vm.shutdown()
+        wait_for_console_pattern(self,
+                        'XABCDEFGHIJKLMNOPQRSTUVWXABCDEFGHIJKLMNOPQRSTUVWXA')
 
-        self.assertIn('ABCDEFGHIJKLMNOPQRSTUVWXABCDEFGHIJKLMNOPQRSTUVWX',
-                self.vm.get_log())
 
 if __name__ == '__main__':
     QemuSystemTest.main()
diff --git a/tests/functional/test_memlock.py b/tests/functional/test_memlock.py
new file mode 100755
index 0000000000..2b515ff979
--- /dev/null
+++ b/tests/functional/test_memlock.py
@@ -0,0 +1,79 @@
+#!/usr/bin/env python3
+#
+# Functional test that check overcommit memlock options
+#
+# Copyright (c) Yandex Technologies LLC, 2025
+#
+# Author:
+#  Alexandr Moshkov <dtalexundeer@yandex-team.ru>
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+import re
+
+from typing import Dict
+
+from qemu_test import QemuSystemTest
+from qemu_test import skipLockedMemoryTest
+
+
+STATUS_VALUE_PATTERN = re.compile(r'^(\w+):\s+(\d+) kB', re.MULTILINE)
+
+
+@skipLockedMemoryTest(2_097_152)  # 2GB
+class MemlockTest(QemuSystemTest):
+    """
+    Runs a guest with memlock options.
+    Then verify, that this options is working correctly
+    by checking the status file of the QEMU process.
+    """
+
+    def common_vm_setup_with_memlock(self, memlock):
+        self.vm.add_args('-overcommit', f'mem-lock={memlock}')
+        self.vm.launch()
+
+    def test_memlock_off(self):
+        self.common_vm_setup_with_memlock('off')
+
+        status = self.get_process_status_values(self.vm.get_pid())
+
+        self.assertTrue(status['VmLck'] == 0)
+
+    def test_memlock_on(self):
+        self.common_vm_setup_with_memlock('on')
+
+        status = self.get_process_status_values(self.vm.get_pid())
+
+        # VmLck > 0 kB and almost all memory is resident
+        self.assertTrue(status['VmLck'] > 0)
+        self.assertTrue(status['VmRSS'] >= status['VmSize'] * 0.70)
+
+    def test_memlock_onfault(self):
+        self.common_vm_setup_with_memlock('on-fault')
+
+        status = self.get_process_status_values(self.vm.get_pid())
+
+        # VmLck > 0 kB and only few memory is resident
+        self.assertTrue(status['VmLck'] > 0)
+        self.assertTrue(status['VmRSS'] <= status['VmSize'] * 0.30)
+
+    def get_process_status_values(self, pid: int) -> Dict[str, int]:
+        result = {}
+        raw_status = self._get_raw_process_status(pid)
+
+        for line in raw_status.split('\n'):
+            if m := STATUS_VALUE_PATTERN.match(line):
+                result[m.group(1)] = int(m.group(2))
+
+        return result
+
+    def _get_raw_process_status(self, pid: int) -> str:
+        try:
+            with open(f'/proc/{pid}/status', 'r') as f:
+                return f.read()
+        except FileNotFoundError:
+            self.skipTest("Can't open status file of the process")
+
+
+if __name__ == '__main__':
+    MemlockTest.main()
diff --git a/tests/functional/test_vnc.py b/tests/functional/test_vnc.py
index 5c0ee5f927..f1dd1597cf 100755
--- a/tests/functional/test_vnc.py
+++ b/tests/functional/test_vnc.py
@@ -31,6 +31,7 @@ def check_connect(port: int) -> bool:
 class Vnc(QemuSystemTest):
 
     def test_no_vnc_change_password(self):
+        self.set_machine('none')
         self.vm.add_args('-nodefaults', '-S')
         self.vm.launch()
 
@@ -62,6 +63,7 @@ class Vnc(QemuSystemTest):
                 raise excp
 
     def test_change_password_requires_a_password(self):
+        self.set_machine('none')
         self.vm.add_args('-nodefaults', '-S', '-vnc', ':1,to=999')
         self.launch_guarded()
         self.assertTrue(self.vm.qmp('query-vnc')['return']['enabled'])
@@ -74,6 +76,7 @@ class Vnc(QemuSystemTest):
                          'Could not set password')
 
     def test_change_password(self):
+        self.set_machine('none')
         self.vm.add_args('-nodefaults', '-S', '-vnc', ':1,to=999,password=on')
         self.launch_guarded()
         self.assertTrue(self.vm.qmp('query-vnc')['return']['enabled'])
@@ -103,6 +106,7 @@ class Vnc(QemuSystemTest):
         self.assertTrue(check_connect(c))
 
     def test_change_listen(self):
+        self.set_machine('none')
         with Ports() as ports:
             a, b, c = ports.find_free_ports(3)
             self.do_test_change_listen(a, b, c)
diff --git a/tests/vm/README b/tests/vm/README
index f9c04cc0e7..14ac323309 100644
--- a/tests/vm/README
+++ b/tests/vm/README
@@ -1 +1 @@
-See docs/devel/testing.rst for help.
+See docs/devel/testing/main.rst for help.