Re: [PATCH v9 13/22] RISC-V: KVM: Add timer functionality

[Daniel Lezcano]

On 16/10/2019 18:10, Anup Patel wrote:
> From: Atish Patra <atish.patra@xxxxxxx>
> 
> The RISC-V hypervisor specification doesn't have any virtual timer
> feature.
> 
> Due to this, the guest VCPU timer will be programmed via SBI calls.
> The host will use a separate hrtimer event for each guest VCPU to
> provide timer functionality. We inject a virtual timer interrupt to
> the guest VCPU whenever the guest VCPU hrtimer event expires.
> 
> The following features are not supported yet and will be added in
> future:
> 1. A time offset to adjust guest time from host time
> 2. A saved next event in guest vcpu for vm migration
> 
> Signed-off-by: Atish Patra <atish.patra@xxxxxxx>
> Signed-off-by: Anup Patel <anup.patel@xxxxxxx>
> Acked-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
> Reviewed-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>

For the drivers/clocksource part:

Acked-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>

[ ... ]

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