From patchwork Mon Aug 24 12:53:22 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wanpeng Li X-Patchwork-Id: 7064141 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 5F1F4C05AC for ; Mon, 24 Aug 2015 12:54:47 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 98831206BC for ; Mon, 24 Aug 2015 12:54:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B9C2D204A7 for ; Mon, 24 Aug 2015 12:54:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932790AbbHXMxm (ORCPT ); Mon, 24 Aug 2015 08:53:42 -0400 Received: from blu004-omc1s11.hotmail.com ([65.55.116.22]:49267 "EHLO BLU004-OMC1S11.hotmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932718AbbHXMxl (ORCPT ); Mon, 24 Aug 2015 08:53:41 -0400 Received: from BLU436-SMTP102 ([65.55.116.7]) by BLU004-OMC1S11.hotmail.com over TLS secured channel with Microsoft SMTPSVC(7.5.7601.23008); Mon, 24 Aug 2015 05:53:40 -0700 X-TMN: [yXCkxYVDPSS2Vihdrkm2Cps25WM8P/7L2c6uFYw3cMI=] X-Originating-Email: [wanpeng.li@hotmail.com] Message-ID: From: Wanpeng Li To: Paolo Bonzini CC: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Wanpeng Li Subject: [PATCH 1/3] KVM: make halt_poll_ns per-VCPU Date: Mon, 24 Aug 2015 20:53:22 +0800 X-Mailer: git-send-email 1.9.1 In-Reply-To: <1440420804-15198-1-git-send-email-wanpeng.li@hotmail.com> References: <1440420804-15198-1-git-send-email-wanpeng.li@hotmail.com> X-OriginalArrivalTime: 24 Aug 2015 12:53:38.0827 (UTC) FILETIME=[E593A5B0:01D0DE6B] MIME-Version: 1.0 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Spam-Status: No, score=-8.3 required=5.0 tests=BAYES_00,FREEMAIL_FROM, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Change halt_poll_ns into per-VCPU variable, seeded from module parameter, to allow greater flexibility. 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);