[PATCH 0/2] domain, qemu: add support for clearing TSC on reset

[Michal Prívozník]

On 3/24/22 10:48, Paolo Bonzini wrote:
> Some versions of Windows hang on reboot if their TSC value is greater
> than 2^54.  The workaround is to reset the TSC to a small value, and
> is implemented by QEMU and ESXi.  This series adds a domain attribute
> for this, and implements it in QEMU.
> 
> Paolo
> 
> Paolo Bonzini (2):
>   domain: add tsc.on_reboot element
>   qemu: add support for tsc.on_reboot element
> 
>  docs/formatdomain.rst                         |  4 +++
>  src/conf/domain_conf.c                        | 22 ++++++++++++
>  src/conf/domain_conf.h                        | 10 ++++++
>  src/conf/schemas/domaincommon.rng             |  9 +++++
>  src/qemu/qemu_capabilities.c                  |  2 ++
>  src/qemu/qemu_capabilities.h                  |  1 +
>  src/qemu/qemu_command.c                       |  4 +++
>  src/qemu/qemu_validate.c                      | 36 +++++++++++++------
>  .../caps_7.0.0.x86_64.replies                 |  4 +++
>  .../caps_7.0.0.x86_64.xml                     |  1 +
>  ...uency.args => cpu-tsc-clear-on-reset.args} |  2 +-
>  ... cpu-tsc-clear-on-reset.x86_64-7.0.0.args} |  6 ++--
>  ...equency.xml => cpu-tsc-clear-on-reset.xml} |  2 +-
>  tests/qemuxml2argvtest.c                      |  2 ++
>  14 files changed, 89 insertions(+), 16 deletions(-)
>  copy tests/qemuxml2argvdata/{cpu-tsc-frequency.args => cpu-tsc-clear-on-reset.args} (97%)
>  copy tests/qemuxml2argvdata/{virtio-rng-builtin.x86_64-latest.args => cpu-tsc-clear-on-reset.x86_64-7.0.0.args} (77%)
>  copy tests/qemuxml2argvdata/{cpu-tsc-frequency.xml => cpu-tsc-clear-on-reset.xml} (95%)
> 

I'm fixing all the small issues I've raised in review and pushing these.

Reviewed-by: Michal Privoznik <mprivozn at redhat.com>

Thanks!

Michal