diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2022-12-16 10:39:32 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2023-01-06 00:51:02 +0100 |
| commit | eaaaf8abdc9a9f3493f2cb6a751660dff3f9db57 (patch) | |
| tree | 0872609e34730fa0bc3b4bf5583c3f761e5ec1de /docs/about | |
| parent | 9d3f8b3247795ae8f482700bbbace04b04421d5b (diff) | |
KVM: remove support for kernel-irqchip=off
-machine kernel-irqchip=off is broken for many guest OSes; kernel-irqchip=split
is the replacement that works, so remove the deprecated support for the former.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'docs/about')
| -rw-r--r-- | docs/about/deprecated.rst | 7 | ||||
| -rw-r--r-- | docs/about/removed-features.rst | 10 |
2 files changed, 10 insertions, 7 deletions
diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index 93affe3669..5414289ffa 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -58,13 +58,6 @@ and will cause a warning. The replacement for the ``nodelay`` short-form boolean option is ``nodelay=on`` rather than ``delay=off``. -Userspace local APIC with KVM (x86, since 6.0) -'''''''''''''''''''''''''''''''''''''''''''''' - -Using ``-M kernel-irqchip=off`` with x86 machine types that include a local -APIC is deprecated. The ``split`` setting is supported, as is using -``-M kernel-irqchip=off`` with the ISA PC machine type. - hexadecimal sizes with scaling multipliers (since 6.0) '''''''''''''''''''''''''''''''''''''''''''''''''''''' diff --git a/docs/about/removed-features.rst b/docs/about/removed-features.rst index 7e12145c12..78b332faf5 100644 --- a/docs/about/removed-features.rst +++ b/docs/about/removed-features.rst @@ -616,6 +616,16 @@ x86 ``Icelake-Client`` CPU (removed in 7.1) There isn't ever Icelake Client CPU, it is some wrong and imaginary one. Use ``Icelake-Server`` instead. +System accelerators +------------------- + +Userspace local APIC with KVM (x86, removed 8.0) +'''''''''''''''''''''''''''''''''''''''''''''''' + +``-M kernel-irqchip=off`` cannot be used on KVM if the CPU model includes +a local APIC. The ``split`` setting is supported, as is using ``-M +kernel-irqchip=off`` when the CPU does not have a local APIC. + System emulator machines ------------------------ |