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 Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by smtp.lore.kernel.org (Postfix) with ESMTP id C2ABEC6FA82 for ; Wed, 21 Sep 2022 00:33:14 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 7E3854B7F5; Tue, 20 Sep 2022 20:33:14 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Authentication-Results: mm01.cs.columbia.edu (amavisd-new); dkim=softfail (fail, message has been altered) header.i=@google.com Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 87Fg3101tw+h; Tue, 20 Sep 2022 20:33:13 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 33EAD4B82D; Tue, 20 Sep 2022 20:33:11 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 3F3E74B0AC for ; Tue, 20 Sep 2022 20:33:08 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id CgBxf1KiGFUL for ; Tue, 20 Sep 2022 20:33:02 -0400 (EDT) Received: from mail-yw1-f201.google.com (mail-yw1-f201.google.com [209.85.128.201]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id AA22F4B80B for ; Tue, 20 Sep 2022 20:33:01 -0400 (EDT) Received: by mail-yw1-f201.google.com with SMTP id 00721157ae682-34d3fbc7cfcso19831027b3.7 for ; Tue, 20 Sep 2022 17:33:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:from:to:cc:subject:date; bh=jS6wDbw1pF8Ah0FgPiebKmSPM6cE3vh92J7x5AZxxS8=; b=BXLnvleOcPw2Y/CP9Ur+TUIGjrRNHf90WKKjZAL9Icsc0hEgdcWSuQ+GHVYb1EUn7B sg7UYfZNRpVmJtSJClj570j+DzZOIqw4J10R/J9Yt7QeCVYCKTpKQGufMZPkwcZhkNUl 3vaoURIDkAnxonLZR0kp8E9GOTPxPNNt2Uho8o+B4y7tM55x9dF6kjtMv6AEMiukUUVr 9k2MNMpEmt6zvG+nctg/UgWyL5RXO74DdhR2N9XX4q20RL0XpVSV68ufwiv6eT0kEN2P i58uBMosfJaPWh3cFlR3V9rNs3L5A+Vc+LFEiAaNl1sbw3jHRaKk/mS0dRmTHm93SlWB i4PA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:x-gm-message-state:from:to:cc:subject:date; bh=jS6wDbw1pF8Ah0FgPiebKmSPM6cE3vh92J7x5AZxxS8=; b=3ugQhWT/m5MEDsuTNvf8eDn/g4T1rE/fDH9yhPkNBv/g3jlSXnvTiRcZlU5cVlEcTD cAfPS9z7tawQ8r+4Rjk/8iIklqiHRmiHxWxzNHyqzY7s507PKshseNwsgilQKav1q8E7 WDm1p6CO8VZVh8EQAd2NycAGL+pXhljglsXK/7MtbYNgb34Y3SUeCZsLRbHL0fYUnRHg aWsFtD/cDk37YmGiJqzLinVQR1RF6pPioUN1Xlr3fNZ1cW4Ge2PZbqzaGL0pRszmLcin Mnxc8QI8bldPV2PgwwDLMvej9p5ciOYNxgL5tMyRnzizbK9cDVG4VNmh+CSPQxfzffIH HYBw== X-Gm-Message-State: ACrzQf2f9FqsrObgd3CSQpgnhCiiMryTRACEepWoLOfIqHoXTQy8+tK2 JudzzXwVJuwHcRNNeIiNOWV6BIod3y4= X-Google-Smtp-Source: AMsMyM4FwFyakAFj4uLb7acHZDkmCOLDogY8I+5AwDxw4BtkzCD4DzOXBcnEDpQ/JYhzAy9RSZ7GSFvqyP0= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a25:81cf:0:b0:6a9:4d0d:5ee6 with SMTP id n15-20020a2581cf000000b006a94d0d5ee6mr22583489ybm.153.1663720381243; Tue, 20 Sep 2022 17:33:01 -0700 (PDT) Date: Wed, 21 Sep 2022 00:31:57 +0000 In-Reply-To: <20220921003201.1441511-1-seanjc@google.com> Mime-Version: 1.0 References: <20220921003201.1441511-1-seanjc@google.com> X-Mailer: git-send-email 2.37.3.968.ga6b4b080e4-goog Message-ID: <20220921003201.1441511-9-seanjc@google.com> Subject: [PATCH v4 08/12] KVM: nVMX: Make event request on VMXOFF iff INIT/SIPI is pending From: Sean Christopherson To: Paolo Bonzini , Marc Zyngier , Huacai Chen , Aleksandar Markovic , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Christian Borntraeger , Janosch Frank , Claudio Imbrenda , Sean Christopherson Cc: kvm@vger.kernel.org, David Hildenbrand , linuxppc-dev@lists.ozlabs.org, linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, kvm-riscv@lists.infradead.org, Atish Patra , linux-riscv@lists.infradead.org, Maxim Levitsky , kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list Reply-To: Sean Christopherson List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu Explicitly check for a pending INIT/SIPI event when emulating VMXOFF instead of blindly making an event request. There's obviously no need to evaluate events if none are pending. Signed-off-by: Sean Christopherson --- arch/x86/kvm/vmx/nested.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index 5922531f6c52..8f67a9c4a287 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -5193,8 +5193,8 @@ static int handle_vmxoff(struct kvm_vcpu *vcpu) free_nested(vcpu); - /* Process a latched INIT during time CPU was in VMX operation */ - kvm_make_request(KVM_REQ_EVENT, vcpu); + if (kvm_apic_has_pending_init_or_sipi(vcpu)) + kvm_make_request(KVM_REQ_EVENT, vcpu); return nested_vmx_succeed(vcpu); } -- 2.37.3.968.ga6b4b080e4-goog _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm