[Devel] [PATCH rh7] Revert "ve/kvm: Allow scheduler throttling in __vcpu_run()"

[Andrey Ryabinin]

On 2/10/20 6:57 PM, Konstantin Khorenko wrote:
> This reverts commit a8cfae4187efe2756d4152febf6472de4d5ac2f9.
> 
> We've reverted boosting mechanism by commits:
>   28a9251d7129c ("Revert "ve/sched: port boosting hacks against prio
>                   inversion"")
>   3ad70f5be8a36 ("Revert "sched: add WARN_ON's to debug task boosting"")
> 
> So remove its users as well.
> 
> https://jira.sw.ru/browse/PSBM-100188
> 
> Signed-off-by: Konstantin Khorenko <khorenko at virtuozzo.com>

Acked-by: Andrey Ryabinin <aryabinin at virtuozzo.com>


> ---
>  arch/x86/kvm/x86.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index 6fe747e2c9250..4573af18358c0 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -7355,7 +7355,7 @@ static int vcpu_run(struct kvm_vcpu *vcpu)
>  		}
>  		if (need_resched()) {
>  			srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx);
> -			cond_resched_may_throttle();
> +			cond_resched();
>  			vcpu->srcu_idx = srcu_read_lock(&kvm->srcu);
>  		}
>  	}
>