RE: [PATCH 0/9] Dynamic Pause Loop Exiting window.

Regards, Steven Zhao -Original Message- From: Radim Krčmář [mailto:rkrc...@redhat.com] Sent: Wednesday, August 20, 2014 4:35 AM To: k...@vger.kernel.org Cc: linux-kernel@vger.kernel.org; Paolo Bonzini; Gleb Natapov; Raghavendra KT; Vinod, Chegu; Zhao, Hui-Zhi (Steven, HPservers-Core-OE-PS

RE: [PATCH v2 0/6] Dynamic Pause Loop Exiting window.

Regards, Steven Zhao -Original Message- From: Radim Krčmář [mailto:rkrc...@redhat.com] Sent: Thursday, August 21, 2014 4:53 AM To: k...@vger.kernel.org Cc: linux-kernel@vger.kernel.org; Paolo Bonzini; Gleb Natapov; Raghavendra KT; Vinod, Chegu; Zhao, Hui-Zhi (Steven, HPservers-Core-OE-PSC);

RE: [PATCH v2 0/6] Dynamic Pause Loop Exiting window.

(Steven, HPservers-Core-OE-PSC); Christian Borntraeger Subject: [PATCH v2 0/6] Dynamic Pause Loop Exiting window. v1 - v2: * squashed [v1 4/9] and [v1 5/9] (clamping) * dropped [v1 7/9] (CPP abstractions) * merged core of [v1 9/9] into [v1 4/9] (automatic maximum) * reworked kernel_param_ops: closer

RE: [PATCH 0/9] Dynamic Pause Loop Exiting window.

(Steven, HPservers-Core-OE-PSC) Subject: [PATCH 0/9] Dynamic Pause Loop Exiting window. PLE does not scale in its current form. When increasing VCPU count above 150, one can hit soft lockups because of runqueue lock contention. (Which says a lot about performance.) The main reason