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

* finish atomics revamp
* meson.build tweaks
* revert avocado update
* always upgrade/downgrade locally installed Python packages
* switch from submodules to subprojects
* remove --with-git= option
* rename --enable-pypi to --enable-download, control submodules and subprojects too

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# gpg: Signature made Tue 06 Jun 2023 07:30:07 AM PDT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [unknown]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 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: (21 commits)
  configure: remove --with-git-submodules=
  build: remove git submodule handling from main makefile
  meson: subprojects: replace berkeley-{soft,test}float-3 with wraps
  pc-bios/s390-ccw: always build network bootloader
  configure: move SLOF submodule handling to pc-bios/s390-ccw
  meson: subprojects: replace submodules with wrap files
  build: log submodule update from git-submodule.sh
  git-submodule: allow partial update of .git-submodule-status
  configure: rename --enable-pypi to --enable-download, control subprojects too
  configure: remove --with-git= option
  mkvenv: always pass locally-installed packages to pip
  tests: Use separate virtual environment for avocado
  Revert "tests/requirements.txt: bump up avocado-framework version to 101.0"
  scsi/qemu-pr-helper: Drop support for 'old' libmultipath API
  meson.build: Use -Wno-undef only for SDL2 versions that need it
  meson.build: Group the audio backend entries in a separate summary section
  meson.build: Group the network backend entries in a separate summary section
  meson.build: Group the UI entries in a separate summary section
  scripts: remove dead file
  atomics: eliminate mb_read/mb_set
  ...

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

7 files changed, 53 insertions, 92 deletions

diff --git a/scripts/archive-source.sh b/scripts/archive-source.sh
index dba5ae0..4899630 100755
--- a/scripts/archive-source.sh
+++ b/scripts/archive-source.sh
@@ -26,8 +26,7 @@ sub_file="${sub_tdir}/submodule.tar"
 # independent of what the developer currently has initialized
 # in their checkout, because the build environment is completely
 # different to the host OS.
-submodules="subprojects/dtc subprojects/keycodemapdb"
-submodules="$submodules tests/fp/berkeley-softfloat-3 tests/fp/berkeley-testfloat-3"
+subprojects="dtc keycodemapdb libvfio-user berkeley-softfloat-3 berkeley-testfloat-3"
 sub_deinit=""
 
 function cleanup() {
@@ -51,23 +50,11 @@ function tree_ish() {
 
 git archive --format tar "$(tree_ish)" > "$tar_file"
 test $? -ne 0 && error "failed to archive qemu"
-for sm in $submodules; do
-    status="$(git submodule status "$sm")"
-    smhash="${status#[ +-]}"
-    smhash="${smhash%% *}"
-    case "$status" in
-        -*)
-            sub_deinit="$sub_deinit $sm"
-            git submodule update --init "$sm"
-            test $? -ne 0 && error "failed to update submodule $sm"
-            ;;
-        +*)
-            echo "WARNING: submodule $sm is out of sync"
-            ;;
-    esac
-    (cd $sm; git archive --format tar --prefix "$sm/" $(tree_ish)) > "$sub_file"
-    test $? -ne 0 && error "failed to archive submodule $sm ($smhash)"
-    tar --concatenate --file "$tar_file" "$sub_file"
-    test $? -ne 0 && error "failed append submodule $sm to $tar_file"
+
+for sp in $subprojects; do
+    meson subprojects download $sp
+    test $? -ne 0 && error "failed to download subproject $sp"
+    tar --append --file "$tar_file" --exclude=.git subprojects/$sp
+    test $? -ne 0 && error "failed to append subproject $sp to $tar_file"
 done
 exit 0
diff --git a/scripts/ci/org.centos/stream/8/x86_64/configure b/scripts/ci/org.centos/stream/8/x86_64/configure
index 6e8983f..d02b09a 100755
--- a/scripts/ci/org.centos/stream/8/x86_64/configure
+++ b/scripts/ci/org.centos/stream/8/x86_64/configure
@@ -29,14 +29,11 @@
 --extra-cflags="-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection" \
 --with-suffix="qemu-kvm" \
 --firmwarepath=/usr/share/qemu-firmware \
---with-git=meson \
---with-git-submodules=update \
 --target-list="x86_64-softmmu" \
 --block-drv-rw-whitelist="qcow2,raw,file,host_device,nbd,iscsi,rbd,blkdebug,luks,null-co,nvme,copy-on-read,throttle,gluster" \
 --audio-drv-list="" \
 --block-drv-ro-whitelist="vmdk,vhdx,vpc,https,ssh" \
 --with-coroutine=ucontext \
---with-git=git \
 --tls-priority=@QEMU,SYSTEM \
 --disable-attr \
 --disable-auth-pam \
diff --git a/scripts/ci/org.centos/stream/8/x86_64/test-avocado b/scripts/ci/org.centos/stream/8/x86_64/test-avocado
index 73e7a1a..e0443fc 100755
--- a/scripts/ci/org.centos/stream/8/x86_64/test-avocado
+++ b/scripts/ci/org.centos/stream/8/x86_64/test-avocado
@@ -4,7 +4,7 @@
 # KVM and x86_64, or tests that are generic enough to be valid for all
 # targets. Such a test list can be generated with:
 #
-# ./pyvenv/bin/avocado list --filter-by-tags-include-empty \
+# ./tests/venv/bin/avocado list --filter-by-tags-include-empty \
 #   --filter-by-tags-include-empty-key -t accel:kvm,arch:x86_64 \
 #   tests/avocado/
 #
@@ -22,7 +22,7 @@
 #   - tests/avocado/virtio_check_params.py:VirtioMaxSegSettingsCheck.test_machine_types
 #
 make get-vm-images
-./pyvenv/bin/avocado run \
+./tests/venv/bin/avocado run \
     --job-results-dir=tests/results/ \
     tests/avocado/boot_linux.py:BootLinuxX8664.test_pc_i440fx_kvm \
     tests/avocado/boot_linux.py:BootLinuxX8664.test_pc_q35_kvm \
diff --git a/scripts/device-crash-test b/scripts/device-crash-test
index 353aa57..b74d887 100755
--- a/scripts/device-crash-test
+++ b/scripts/device-crash-test
@@ -43,7 +43,7 @@ except ModuleNotFoundError as exc:
     print(f"Module '{exc.name}' not found.")
     print("  Try 'make check-venv' from your build directory,")
     print("  and then one way to run this script is like so:")
-    print(f'  > $builddir/pyvenv/bin/python3 "{path}"')
+    print(f'  > $builddir/tests/venv/bin/python3 "{path}"')
     sys.exit(1)
 
 logger = logging.getLogger('device-crash-test')
diff --git a/scripts/git-submodule.sh b/scripts/git-submodule.sh
index 7be41f5..11fad21 100755
--- a/scripts/git-submodule.sh
+++ b/scripts/git-submodule.sh
@@ -9,10 +9,10 @@ command=$1
 shift
 maybe_modules="$@"
 
-# if --with-git-submodules=ignore, do nothing
+# if not running in a git checkout, do nothing
 test "$command" = "ignore" && exit 0
 
-test -z "$GIT" && GIT=git
+test -z "$GIT" && GIT=$(command -v git)
 
 cd "$(dirname "$0")/.."
 
@@ -21,19 +21,14 @@ update_error() {
     echo
     echo "Unable to automatically checkout GIT submodules '$modules'."
     echo "If you require use of an alternative GIT binary (for example to"
-    echo "enable use of a transparent proxy), then please specify it by"
-    echo "running configure by with the '--with-git' argument. e.g."
+    echo "enable use of a transparent proxy), please disable automatic"
+    echo "GIT submodule checkout with:"
     echo
-    echo " $ ./configure --with-git='tsocks git'"
-    echo
-    echo "Alternatively you may disable automatic GIT submodule checkout"
-    echo "with:"
-    echo
-    echo " $ ./configure --with-git-submodules=validate"
+    echo " $ ./configure --disable-download"
     echo
     echo "and then manually update submodules prior to running make, with:"
     echo
-    echo " $ scripts/git-submodule.sh update $modules"
+    echo " $ GIT='tsocks git' scripts/git-submodule.sh update $modules"
     echo
     exit 1
 }
@@ -44,19 +39,30 @@ validate_error() {
         echo "configured for validate only. Please run"
         echo "  scripts/git-submodule.sh update $maybe_modules"
         echo "from the source directory or call configure with"
-        echo "  --with-git-submodules=update"
-        echo "To disable GIT submodules validation, use"
-        echo "  --with-git-submodules=ignore"
+        echo "  --enable-download"
     fi
     exit 1
 }
 
+check_updated() {
+    local CURSTATUS OLDSTATUS
+    CURSTATUS=$($GIT submodule status $module)
+    OLDSTATUS=$(grep $module $substat)
+    test "$CURSTATUS" = "$OLDSTATUS"
+}
+
 if test -n "$maybe_modules" && ! test -e ".git"
 then
     echo "$0: unexpectedly called with submodules but no git checkout exists"
     exit 1
 fi
 
+if test -n "$maybe_modules" && test -z "$GIT"
+then
+    echo "$0: unexpectedly called with submodules but git binary not found"
+    exit 1
+fi
+
 modules=""
 for m in $maybe_modules
 do
@@ -71,33 +77,34 @@ done
 
 case "$command" in
 status|validate)
-    if test -z "$maybe_modules"
-    then
-         test -s ${substat} && validate_error "$command" || exit 0
-    fi
-
     test -f "$substat" || validate_error "$command"
+    test -z "$maybe_modules" && exit 0
     for module in $modules; do
-        CURSTATUS=$($GIT submodule status $module)
-        OLDSTATUS=$(cat $substat | grep $module)
-        if test "$CURSTATUS" != "$OLDSTATUS"; then
-            validate_error "$command"
-        fi
+        check_updated $module || validate_error "$command"
     done
     exit 0
     ;;
 update)
-    if test -z "$maybe_modules"
-    then
-        test -e $substat || touch $substat
-        exit 0
-    fi
+    test -e $substat || touch $substat
+    test -z "$maybe_modules" && exit 0
 
     $GIT submodule update --init $modules 1>/dev/null
     test $? -ne 0 && update_error "failed to update modules"
+    for module in $modules; do
+        check_updated $module || echo Updated "$module"
+    done
 
-    $GIT submodule status $modules > "${substat}"
-    test $? -ne 0 && update_error "failed to save git submodule status" >&2
+    (while read -r; do
+        for module in $modules; do
+            case $REPLY in
+                *" $module "*) continue 2 ;;
+            esac
+        done
+        printf '%s\n' "$REPLY"
+    done
+    $GIT submodule status $modules
+    test $? -ne 0 && update_error "failed to save git submodule status" >&2) < $substat > $substat.new
+    mv -f $substat.new $substat
     ;;
 esac
 
diff --git a/scripts/make-release b/scripts/make-release
index 44a9d86..c5db87b 100755
--- a/scripts/make-release
+++ b/scripts/make-release
@@ -16,6 +16,9 @@ if [ $# -ne 2 ]; then
     exit 0
 fi
 
+# Only include wraps that are invoked with subproject()
+SUBPROJECTS="dtc libvfio-user keycodemapdb berkeley-softfloat-3 berkeley-testfloat-3"
+
 src="$1"
 version="$2"
 destination=qemu-${version}
@@ -26,6 +29,8 @@ git clone --single-branch -b "v${version}" -c advice.detachedHead=false \
 pushd ${destination}
 
 git submodule update --init --single-branch
+meson subprojects download $SUBPROJECTS
+
 (cd roms/seabios && git describe --tags --long --dirty > .version)
 (cd roms/skiboot && ./make_version.sh > .version)
 # Fetch edk2 submodule's submodules, since it won't have access to them via
diff --git a/scripts/test-driver.py b/scripts/test-driver.py
deleted file mode 100644
index eef74b2..0000000
--- a/scripts/test-driver.py
+++ /dev/null
@@ -1,35 +0,0 @@
-#! /usr/bin/env python3
-
-# Wrapper for tests that hides the output if they succeed.
-# Used by "make check"
-#
-# Copyright (C) 2020 Red Hat, Inc.
-#
-# Author: Paolo Bonzini <pbonzini@redhat.com>
-
-import subprocess
-import sys
-import os
-import argparse
-
-parser = argparse.ArgumentParser(description='Test driver for QEMU')
-parser.add_argument('-C', metavar='DIR', dest='dir', default='.',
-                    help='change to DIR before doing anything else')
-parser.add_argument('-v', '--verbose', dest='verbose', action='store_true',
-                    help='be more verbose')
-parser.add_argument('test_args', nargs=argparse.REMAINDER)
-
-args = parser.parse_args()
-os.chdir(args.dir)
-
-test_args = args.test_args
-if test_args[0] == '--':
-    test_args = test_args[1:]
-
-if args.verbose:
-    result = subprocess.run(test_args, stdout=None, stderr=None)
-else:
-    result = subprocess.run(test_args, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
-    if result.returncode:
-        sys.stdout.buffer.write(result.stdout)
-sys.exit(result.returncode)