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qemu-kvm/0009-Adapt-versioned-machine-type-macros-for-RHEL.patch

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* Tue Sep 10 2024 Miroslav Rezanina <mrezanin@redhat.com> - 9.1.0-1 - Rebase to QEMU 9.1.0 [RHEL-41246] - Resolves: RHEL-41246 (Rebase qemu-9.1 for RHEL 10.0)
2024-09-10 06:42:37 +00:00
From ccb1eaa95ce9c92a196fe034c033502f582a324b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= <berrange@redhat.com>
Date: Wed, 3 Jul 2024 15:27:03 +0100
Subject: Adapt versioned machine type macros for RHEL
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The versioned machine type macros are changed thus:
* All symbol names get 'rhel' inserted eg 'virt_rhel_macine_9_4_0_<blah>'
* All machine type names get 'rhel' inserted eg 'virt-rhel9.4.0-machine'
* Lifecycle is changed to deprecate after 1 major RHEL release,
force non-registration (effectively deletion) after 2 major releases
* Custom message to explain RHEL deprecation/deletion policy
* Remove upstream logic that temporarily disabled deletion since
the upstream constraints in this area don't apply to RHEL
* For automatic deprecation/deletion, RHEL_VERSION is defined
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
.distro/Makefile | 2 +-
.distro/Makefile.common | 1 +
.distro/qemu-kvm.spec.template | 1 +
.distro/scripts/process-patches.sh | 3 ++
include/hw/boards.h | 60 ++++++++++--------------------
meson.build | 1 +
meson_options.txt | 2 +
scripts/meson-buildoptions.sh | 2 +
8 files changed, 30 insertions(+), 42 deletions(-)
diff --git a/include/hw/boards.h b/include/hw/boards.h
index ccfc3e10eb..7f7eb4ec40 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -548,16 +548,16 @@ struct MachineState {
* "{prefix}-{major}.{minor}.{micro}-{tag}"
*/
#define _MACHINE_VER_TYPE_NAME2(prefix, major, minor) \
- prefix "-" #major "." #minor TYPE_MACHINE_SUFFIX
+ prefix "-rhel" #major "." #minor TYPE_MACHINE_SUFFIX
#define _MACHINE_VER_TYPE_NAME3(prefix, major, minor, micro) \
- prefix "-" #major "." #minor "." #micro TYPE_MACHINE_SUFFIX
+ prefix "-rhel" #major "." #minor "." #micro TYPE_MACHINE_SUFFIX
#define _MACHINE_VER_TYPE_NAME4(prefix, major, minor, _unused_, tag) \
- prefix "-" #major "." #minor "-" #tag TYPE_MACHINE_SUFFIX
+ prefix "-rhel" #major "." #minor "-" #tag TYPE_MACHINE_SUFFIX
#define _MACHINE_VER_TYPE_NAME5(prefix, major, minor, micro, _unused_, tag) \
- prefix "-" #major "." #minor "." #micro "-" #tag TYPE_MACHINE_SUFFIX
+ prefix "-rhel" #major "." #minor "." #micro "-" #tag TYPE_MACHINE_SUFFIX
#define MACHINE_VER_TYPE_NAME(prefix, ...) \
_MACHINE_VER_PICK(__VA_ARGS__, \
@@ -585,16 +585,16 @@ struct MachineState {
* {prefix}_machine_{major}_{minor}_{micro}_{tag}_{sym}
*/
#define _MACHINE_VER_SYM2(sym, prefix, major, minor) \
- prefix ## _machine_ ## major ## _ ## minor ## _ ## sym
+ prefix ## _rhel_machine_ ## major ## _ ## minor ## _ ## sym
#define _MACHINE_VER_SYM3(sym, prefix, major, minor, micro) \
- prefix ## _machine_ ## major ## _ ## minor ## _ ## micro ## _ ## sym
+ prefix ## _rhel_machine_ ## major ## _ ## minor ## _ ## micro ## _ ## sym
#define _MACHINE_VER_SYM4(sym, prefix, major, minor, _unused_, tag) \
- prefix ## _machine_ ## major ## _ ## minor ## _ ## tag ## _ ## sym
+ prefix ## _rhel_machine_ ## major ## _ ## minor ## _ ## tag ## _ ## sym
#define _MACHINE_VER_SYM5(sym, prefix, major, minor, micro, _unused_, tag) \
- prefix ## _machine_ ## major ## _ ## minor ## _ ## micro ## _ ## tag ## _ ## sym
+ prefix ## _rhel_machine_ ## major ## _ ## minor ## _ ## micro ## _ ## tag ## _ ## sym
#define MACHINE_VER_SYM(sym, prefix, ...) \
_MACHINE_VER_PICK(__VA_ARGS__, \
@@ -605,26 +605,22 @@ struct MachineState {
/*
- * How many years/major releases for each phase
- * of the life cycle. Assumes use of versioning
- * scheme where major is bumped each year
+ * How many RHEL major releases for each phase
+ * of the life cycle.
*/
-#define MACHINE_VER_DELETION_MAJOR 6
-#define MACHINE_VER_DEPRECATION_MAJOR 3
+#define MACHINE_VER_DELETION_MAJOR 2
+#define MACHINE_VER_DEPRECATION_MAJOR 1
/*
* Expands to a static string containing a deprecation
* message for a versioned machine type
*/
#define MACHINE_VER_DEPRECATION_MSG \
- "machines more than " stringify(MACHINE_VER_DEPRECATION_MAJOR) \
- " years old are subject to deletion after " \
- stringify(MACHINE_VER_DELETION_MAJOR) " years"
+ "machines from the previous RHEL major release are " \
+ "subject to deletion in the next RHEL major release"
#define _MACHINE_VER_IS_EXPIRED_IMPL(cutoff, major, minor) \
- (((QEMU_VERSION_MAJOR - major) > cutoff) || \
- (((QEMU_VERSION_MAJOR - major) == cutoff) && \
- (QEMU_VERSION_MINOR - minor) >= 0))
+ ((RHEL_VERSION - major) >= cutoff)
#define _MACHINE_VER_IS_EXPIRED2(cutoff, major, minor) \
_MACHINE_VER_IS_EXPIRED_IMPL(cutoff, major, minor)
@@ -686,32 +682,14 @@ struct MachineState {
* This must be unconditionally used in the register
* method for all machine types which support versioning.
*
- * Inijtially it will effectively be a no-op, but after a
- * suitable period of time has passed, it will cause
- * execution of the method to return, avoiding registration
- * of the machine
- *
- * The new deprecation and deletion policy for versioned
- * machine types was introduced in QEMU 9.1.0.
- *
- * Under the new policy a number of old machine types (any
- * prior to 2.12) would be liable for immediate deletion
- * which would be a violation of our historical deprecation
- * and removal policy
- *
- * Thus deletions are temporarily gated on existance of
- * the env variable "QEMU_DELETE_MACHINES" / QEMU version
- * number >= 10.1.0. This gate can be deleted in the 10.1.0
- * dev cycle
+ * It will automatically avoid registration of machines
+ * that should have been deleted at the start of this
+ * RHEL release
*/
#define MACHINE_VER_DELETION(...) \
do { \
if (MACHINE_VER_SHOULD_DELETE(__VA_ARGS__)) { \
- if (getenv("QEMU_DELETE_MACHINES") || \
- QEMU_VERSION_MAJOR > 10 || (QEMU_VERSION_MAJOR == 10 && \
- QEMU_VERSION_MINOR >= 1)) { \
- return; \
- } \
+ return; \
} \
} while (0)
diff --git a/meson.build b/meson.build
index 161d496d55..2de5ab024f 100644
--- a/meson.build
+++ b/meson.build
@@ -2440,6 +2440,7 @@ config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
+config_host_data.set('RHEL_VERSION', get_option('rhel_version').split('.')[0])
config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
diff --git a/meson_options.txt b/meson_options.txt
index 0269fa0f16..aa2ba0baef 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -2,6 +2,8 @@
# on the configure script command line. If you add more, list them in
# scripts/meson-buildoptions.py's SKIP_OPTIONS constant too.
+option('rhel_version', type: 'string', value: '0.0',
+ description: 'RHEL major/minor version')
option('qemu_suffix', type : 'string', value: 'qemu',
description: 'Suffix for QEMU data/modules/config directories (can be empty)')
option('docdir', type : 'string', value : 'share/doc',
diff --git a/scripts/meson-buildoptions.sh b/scripts/meson-buildoptions.sh
index c97079a38c..5f0cbfc725 100644
--- a/scripts/meson-buildoptions.sh
+++ b/scripts/meson-buildoptions.sh
@@ -71,6 +71,7 @@ meson_options_help() {
printf "%s\n" ' "manufacturer" name for qemu-ga registry entries'
printf "%s\n" ' [QEMU]'
printf "%s\n" ' --qemu-ga-version=VALUE version number for qemu-ga installer'
+ printf "%s\n" ' --rhel-version=VALUE RHEL major/minor version [0.0]'
printf "%s\n" ' --smbd=VALUE Path to smbd for slirp networking'
printf "%s\n" ' --sysconfdir=VALUE Sysconf data directory [etc]'
printf "%s\n" ' --tls-priority=VALUE Default TLS protocol/cipher priority string'
@@ -450,6 +451,7 @@ _meson_option_parse() {
--disable-relocatable) printf "%s" -Drelocatable=false ;;
--enable-replication) printf "%s" -Dreplication=enabled ;;
--disable-replication) printf "%s" -Dreplication=disabled ;;
+ --rhel-version=*) quote_sh "-Drhel_version=$2" ;;
--enable-rng-none) printf "%s" -Drng_none=true ;;
--disable-rng-none) printf "%s" -Drng_none=false ;;
--enable-rutabaga-gfx) printf "%s" -Drutabaga_gfx=enabled ;;
--
2.39.3
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