Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755192AbbHXQ70 (ORCPT ); Mon, 24 Aug 2015 12:59:26 -0400 Received: from mail-qk0-f179.google.com ([209.85.220.179]:35751 "EHLO mail-qk0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755168AbbHXQ7Y (ORCPT ); Mon, 24 Aug 2015 12:59:24 -0400 MIME-Version: 1.0 In-Reply-To: References: <1440420804-15198-1-git-send-email-wanpeng.li@hotmail.com> From: David Matlack Date: Mon, 24 Aug 2015 09:59:04 -0700 Message-ID: Subject: Re: [PATCH 1/3] KVM: make halt_poll_ns per-VCPU To: Wanpeng Li Cc: Paolo Bonzini , kvm list , "linux-kernel@vger.kernel.org" Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1818 Lines: 51 On Mon, Aug 24, 2015 at 5:53 AM, Wanpeng Li wrote: > Change halt_poll_ns into per-VCPU variable, seeded from module parameter, > to allow greater flexibility. You should also change kvm_vcpu_block to read halt_poll_ns from the vcpu instead of the module parameter. > > Signed-off-by: Wanpeng Li > --- > include/linux/kvm_host.h | 1 + > virt/kvm/kvm_main.c | 1 + > 2 files changed, 2 insertions(+) > > diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h > index 81089cf..1bef9e2 100644 > --- a/include/linux/kvm_host.h > +++ b/include/linux/kvm_host.h > @@ -242,6 +242,7 @@ struct kvm_vcpu { > int sigset_active; > sigset_t sigset; > struct kvm_vcpu_stat stat; > + unsigned int halt_poll_ns; > > #ifdef CONFIG_HAS_IOMEM > int mmio_needed; > diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c > index d8db2f8f..a122b52 100644 > --- a/virt/kvm/kvm_main.c > +++ b/virt/kvm/kvm_main.c > @@ -217,6 +217,7 @@ int kvm_vcpu_init(struct kvm_vcpu *vcpu, struct kvm *kvm, unsigned id) > vcpu->kvm = kvm; > vcpu->vcpu_id = id; > vcpu->pid = NULL; > + vcpu->halt_poll_ns = halt_poll_ns; > init_waitqueue_head(&vcpu->wq); > kvm_async_pf_vcpu_init(vcpu); > > -- > 1.9.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/