From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 94002C4321B for ; Tue, 11 Jun 2019 12:17:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 688B4206E0 for ; Tue, 11 Jun 2019 12:17:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="UCjxVbrc" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390305AbfFKMR3 (ORCPT ); Tue, 11 Jun 2019 08:17:29 -0400 Received: from mail-pf1-f194.google.com ([209.85.210.194]:45434 "EHLO mail-pf1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387814AbfFKMR0 (ORCPT ); Tue, 11 Jun 2019 08:17:26 -0400 Received: by mail-pf1-f194.google.com with SMTP id s11so7314925pfm.12; Tue, 11 Jun 2019 05:17:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=C85xdLoYButUPajJYZit35xlgLlMDLoD1qAApOa6BQQ=; b=UCjxVbrc2tjXQ9WJjYfs1+fB8TWMh9eFrpuYaSJvgT4csH64ottA07RVxknP66eyYR pLo7/MJRgPXgIHWmglJyXh+yDfzQxSaAO+fINxbbn7kADkdkGFQbluuG1YmizUCbZjyz hBu/oMo350ZPdULEl4NlTYSImkAQc8ogideI10zT7G8nEIjN9kltHRK6Dxa4GZ1zZ4lH 89a+a0pAQ1HN7dtltAJOj84jVAdd1NfBQoNHfqOCk6KRJVFbmwKW/a/2lNNlHRGz7t7S CW/bC1cimoK+oGE3Kkf94qEF0vxCzaL9ikhkgiApWy9ONIJxLmIJ9mkfaCMxHyDc0rXF 8jRw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=C85xdLoYButUPajJYZit35xlgLlMDLoD1qAApOa6BQQ=; b=LnCp+IOyyhIrHj4tHAIOFfI2q9Cs1PsoZW/7H3iPvl2MibbQa+Cfwn9EO2IOqgINec SDbkHpfgLmeQdrsUCiXBgkgEO8PydTLLtHQoYwDLhDslUpj6rnwXdLuLeM3TdWD07gJw Ml56G0LfM1U40V3EVOOJy8iPMOHqhN6TwLlSTSwMYrDJOkZEJjvy/9MtJp+aiBNA6mH5 9lRaS0Jg/Wli0wlOTZDbcSYsEhFre4n6fMQaqsuHMtppxZQXb4ZNRBpqrlEQMSyyQHVT +BwAByweH4YTK5NRkRJ4UMZozs43J3EqwkiO1FwbCxm4tYKr4ADOyiQUjuU/l6cPZOlY /8tg== X-Gm-Message-State: APjAAAUBlT615x8dDz3lUGKNlwPiiYRVeuUtoWBSQa67Pvf7xfPPhw3I 2fcldvF69jvbRTaqRhWVIGAEFDHK X-Google-Smtp-Source: APXvYqxZpcvhn41T2+H67v0pF71TKx4D4jm06aNhF/Z6TCdp2QktYzTd/iyOfAnVHY4O8PQZj2ESFQ== X-Received: by 2002:a62:2cc2:: with SMTP id s185mr78701453pfs.106.1560255445743; Tue, 11 Jun 2019 05:17:25 -0700 (PDT) Received: from localhost.localdomain ([203.205.141.123]) by smtp.googlemail.com with ESMTPSA id v4sm19649478pff.45.2019.06.11.05.17.23 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 11 Jun 2019 05:17:25 -0700 (PDT) From: Wanpeng Li X-Google-Original-From: Wanpeng Li To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: Paolo Bonzini , =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= Subject: [PATCH v3 3/4] KVM: LAPIC: Ignore timer migration when lapic timer is injected by posted-interrupt Date: Tue, 11 Jun 2019 20:17:08 +0800 Message-Id: <1560255429-7105-4-git-send-email-wanpengli@tencent.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1560255429-7105-1-git-send-email-wanpengli@tencent.com> References: <1560255429-7105-1-git-send-email-wanpengli@tencent.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Wanpeng Li When lapic timer is injected by posted-interrupt, the emulated timer is offload to the housekeeping cpu. The timer interrupt will be delivered properly, no need to migrate timer. Cc: Paolo Bonzini Cc: Radim Krčmář Signed-off-by: Wanpeng Li --- arch/x86/kvm/lapic.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 020599f..c21bab2 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -2532,7 +2532,8 @@ void __kvm_migrate_apic_timer(struct kvm_vcpu *vcpu) { struct hrtimer *timer; - if (!lapic_in_kernel(vcpu)) + if (!lapic_in_kernel(vcpu) || + posted_interrupt_inject_timer_enabled(vcpu)) return; timer = &vcpu->arch.apic->lapic_timer.timer; -- 2.7.4