| Message ID | 20250203031821.741477-14-richard.henderson@linaro.org (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | meson: Deprecate 32-bit host support | expand |
On 03/02/2025 04.18, Richard Henderson wrote: > We deprecated i686 system mode support for qemu 8.0. However, to > make real cleanups to TCG we need to deprecate all 32-bit hosts. > > Signed-off-by: Richard Henderson <richard.henderson@linaro.org> > --- > docs/about/deprecated.rst | 7 +++++++ > meson.build | 6 ++---- > 2 files changed, 9 insertions(+), 4 deletions(-) Reviewed-by: Thomas Huth <thuth@redhat.com>
Richard Henderson <richard.henderson@linaro.org> writes: > We deprecated i686 system mode support for qemu 8.0. However, to > make real cleanups to TCG we need to deprecate all 32-bit hosts. > > Signed-off-by: Richard Henderson <richard.henderson@linaro.org> > --- > docs/about/deprecated.rst | 7 +++++++ > meson.build | 6 ++---- > 2 files changed, 9 insertions(+), 4 deletions(-) > > diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst > index 4a3c302962..7c61d0ba16 100644 > --- a/docs/about/deprecated.rst > +++ b/docs/about/deprecated.rst > @@ -204,6 +204,13 @@ is going to be so much slower it wouldn't make sense for any serious > instrumentation. Due to implementation differences there will also be > anomalies in things like memory instrumentation. > > +32-bit host operating systems (since 10.0) > +'''''''''''''''''''''''''''''''''''''''''' > + > +Keeping 32-bit host support alive is a substantial burden for the > +QEMU project. Thus QEMU will in future drop the support for all > +32-bit host systems. > + > System emulator CPUs > -------------------- > > diff --git a/meson.build b/meson.build > index 866b8ce477..0dae54da0d 100644 > --- a/meson.build > +++ b/meson.build > @@ -4833,14 +4833,12 @@ if host_arch == 'unknown' > message('configure has succeeded and you can continue to build, but') > message('QEMU will use a slow interpreter to emulate the target CPU.') > endif > -elif host_arch == 'mips' > +elif host_long_bits < 64 > message() > warning('DEPRECATED HOST CPU') > message() > message('Support for CPU host architecture ' + cpu + ' is going to > be') Support for 32 bit host architecture...? > - message('dropped as soon as the QEMU project stops supporting Debian 12') > - message('("Bookworm"). Going forward, the QEMU project will not guarantee') > - message('that QEMU will compile or work on this host CPU.') > + message('dropped in a future QEMU release.') > endif > > if not supported_oses.contains(host_os) Otherwise: Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index 4a3c302962..7c61d0ba16 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -204,6 +204,13 @@ is going to be so much slower it wouldn't make sense for any serious instrumentation. Due to implementation differences there will also be anomalies in things like memory instrumentation. +32-bit host operating systems (since 10.0) +'''''''''''''''''''''''''''''''''''''''''' + +Keeping 32-bit host support alive is a substantial burden for the +QEMU project. Thus QEMU will in future drop the support for all +32-bit host systems. + System emulator CPUs -------------------- diff --git a/meson.build b/meson.build index 866b8ce477..0dae54da0d 100644 --- a/meson.build +++ b/meson.build @@ -4833,14 +4833,12 @@ if host_arch == 'unknown' message('configure has succeeded and you can continue to build, but') message('QEMU will use a slow interpreter to emulate the target CPU.') endif -elif host_arch == 'mips' +elif host_long_bits < 64 message() warning('DEPRECATED HOST CPU') message() message('Support for CPU host architecture ' + cpu + ' is going to be') - message('dropped as soon as the QEMU project stops supporting Debian 12') - message('("Bookworm"). Going forward, the QEMU project will not guarantee') - message('that QEMU will compile or work on this host CPU.') + message('dropped in a future QEMU release.') endif if not supported_oses.contains(host_os)
We deprecated i686 system mode support for qemu 8.0. However, to make real cleanups to TCG we need to deprecate all 32-bit hosts. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> --- docs/about/deprecated.rst | 7 +++++++ meson.build | 6 ++---- 2 files changed, 9 insertions(+), 4 deletions(-)