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* Refine the distro support policy

Browse source 
* Deprecate 32-bit x86 and arm hosts for system emulation
 * Check bison version to be >= 3.0
 * Compile vnc test only if vnc is really enabled
 * Check docs/config/ich9-ehci-uhci.cfg via the readconfig-test
 * s390x: Add support for list-directed IPL from ECKD DASD
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Merge tag 'pull-request-2023-03-07' of https://gitlab.com/thuth/qemu into staging

* Refine the distro support policy
* Deprecate 32-bit x86 and arm hosts for system emulation
* Check bison version to be >= 3.0
* Compile vnc test only if vnc is really enabled
* Check docs/config/ich9-ehci-uhci.cfg via the readconfig-test
* s390x: Add support for list-directed IPL from ECKD DASD

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# gpg: Signature made Wed 08 Mar 2023 07:58:53 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-2023-03-07' of https://gitlab.com/thuth/qemu:
  pc-bios/s390-ccw: Update s390-ccw.img with the list-directed IPL fix
  pc-bios: Add support for List-Directed IPL from ECKD DASD
  docs/config: Set the "kvm" accelerator via "[accel]" section
  tests/qtest/readconfig: Test docs/config/ich9-ehci-uhci.cfg
  tests/qtest/readconfig: Rework test_object_rng_resp into a generic function
  gitlab-ci.d/crossbuilds: Drop the 32-bit arm system emulation jobs
  docs/about/deprecated: Deprecate 32-bit arm hosts for system emulation
  gitlab-ci.d/crossbuilds: Drop the i386 system emulation job
  docs/about/deprecated: Deprecate 32-bit x86 hosts for system emulation
  include/hw/i386: Clean up includes in x86.h
  test: Check vnc enable before compiling vnc test
  Hexagon (meson.build): define min bison version
  docs/about/build-platforms: Refine the distro support policy

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2023-03-09 15:19:30 +00:00
commit dea644928d
16 changed files with 221 additions and 82 deletions
Download patch file Download diff file Expand all files Collapse all files

3
docs/about/build-platforms.rst
View file

@ -67,7 +67,8 @@ Non-supported architectures may be removed in the future following the
Linux OS, macOS, FreeBSD, NetBSD, OpenBSD
-----------------------------------------
The project aims to support the most recent major version at all times. Support
The project aims to support the most recent major version at all times for
up to five years after its initial release. Support
for the previous major version will be dropped 2 years after the new major
version is released or when the vendor itself drops support, whichever comes
first. In this context, third-party efforts to extend the lifetime of a distro

20
docs/about/deprecated.rst
View file

@ -196,6 +196,26 @@ CI coverage support may bitrot away before the deprecation process
completes. The little endian variants of MIPS (both 32 and 64 bit) are
still a supported host architecture.
System emulation on 32-bit x86 hosts (since 8.0)
''''''''''''''''''''''''''''''''''''''''''''''''
Support for 32-bit x86 host deployments is increasingly uncommon in mainstream
OS distributions given the widespread availability of 64-bit x86 hardware.
The QEMU project no longer considers 32-bit x86 support for system emulation to
be an effective use of its limited resources, and thus intends to discontinue
it. Since all recent x86 hardware from the past >10 years is capable of the
64-bit x86 extensions, a corresponding 64-bit OS should be used instead.
System emulation on 32-bit arm hosts (since 8.0)
''''''''''''''''''''''''''''''''''''''''''''''''
Since QEMU needs a strong host machine for running full system emulation, and
all recent powerful arm hosts support 64-bit, the QEMU project deprecates the
support for running any system emulation on 32-bit arm hosts in general. Use
64-bit arm hosts for system emulation instead. (Note: "user" mode emulation
continues to be supported on 32-bit arm hosts, too)
QEMU API (QAPI) events
----------------------

4
docs/config/mach-virt-graphical.cfg
View file

@ -56,9 +56,11 @@
[machine]
type = "virt"
accel = "kvm"
gic-version = "host"
[accel]
accel = "kvm"
[memory]
size = "1024"

4
docs/config/mach-virt-serial.cfg
View file

@ -62,9 +62,11 @@
[machine]
type = "virt"
accel = "kvm"
gic-version = "host"
[accel]
accel = "kvm"
[memory]
size = "1024"

2
docs/config/q35-emulated.cfg
View file

@ -61,6 +61,8 @@
[machine]
type = "q35"
[accel]
accel = "kvm"
[memory]

2
docs/config/q35-virtio-graphical.cfg
View file

@ -55,6 +55,8 @@
[machine]
type = "q35"
[accel]
accel = "kvm"
[memory]

2
docs/config/q35-virtio-serial.cfg
View file

@ -60,6 +60,8 @@
[machine]
type = "q35"
[accel]
accel = "kvm"
[memory]