diff options
Diffstat (limited to 'docs/about')
| -rw-r--r-- | docs/about/build-platforms.rst | 3 | ||||
| -rw-r--r-- | docs/about/deprecated.rst | 20 |
2 files changed, 22 insertions, 1 deletions
diff --git a/docs/about/build-platforms.rst b/docs/about/build-platforms.rst index 20b97c3..89cae5a 100644 --- a/docs/about/build-platforms.rst +++ b/docs/about/build-platforms.rst @@ -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 diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index 15084f7..33b9422 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -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 ---------------------- |