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

Konstantin Khorenko khorenko at virtuozzo.com
Mon Feb 10 18:57:07 MSK 2020


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>
---
 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);
 		}
 	}
-- 
2.15.1



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