ACK: [J][PATCH 0/2][v3] KVM: Improve SIGP architectural compliance (LP: 1959735)

Krzysztof Kozlowski krzysztof.kozlowski at canonical.com
Fri Feb 4 15:13:29 UTC 2022


On 04/02/2022 16:11, frank.heimes at canonical.com wrote:
> BugLink: https://bugs.launchpad.net/bugs/1959735
> 
> Linux as a guest operating system often doesn't have as stringent requirements
> to architectural compliance as traditional operating systems that rely on it. 
> Specifically, KVM implements the SIGP RESTART in a non-compliant way, 
> as it reports a CPU state to be stopped after SIGP RESTART was issued, 
> while it should report a busy condition until the CPU is really started.
> This feature covers the necessary fixes/improvements to KVM SIGP processing.
> 
> v2: fixed hash, cherry picked from linux (instead of linux-next), based on 5.15.0-20.20
> v3: changed order of cherry-picks


Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski at canonical.com>


Best regards,
Krzysztof



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