Re: [PATCH 15/35] KVM: s390: protvirt: Implement interruption injection

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On 07/02/2020 12.39, Christian Borntraeger wrote:
> From: Michael Mueller <mimu@xxxxxxxxxxxxx>
> 
> The patch implements interruption injection for the following
> list of interruption types:
> 
>    - I/O (uses inject io interruption)
>      __deliver_io
> 
>    - External (uses inject external interruption)
>      __deliver_cpu_timer
>      __deliver_ckc
>      __deliver_emergency_signal
>      __deliver_external_call
> 
>    - cpu restart (uses inject restart interruption)
>      __deliver_restart
> 
>    - machine checks (uses mcic, failing address and external damage)
>      __write_machine_check
> 
> Please note that posted interrupts (GISA) are not used for protected
> guests as of today.
> 
> The service interrupt is handled in a followup patch.
> 
> Signed-off-by: Michael Mueller <mimu@xxxxxxxxxxxxx>
> [borntraeger@xxxxxxxxxx: patch merging, splitting, fixing]
> Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
> ---
>  arch/s390/include/asm/kvm_host.h |   6 ++
>  arch/s390/kvm/interrupt.c        | 106 +++++++++++++++++++++++--------
>  2 files changed, 86 insertions(+), 26 deletions(-)

Reviewed-by: Thomas Huth <thuth@xxxxxxxxxx>




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