From nobody Tue Dec 2 01:36:32 2025 Received: from mail-pj1-f73.google.com (mail-pj1-f73.google.com [209.85.216.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4201130C37A for ; Fri, 21 Nov 2025 22:34:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.73 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763764503; cv=none; b=aU4zqVeuEoJFck5ZqJsT69UNRXieMQCR0JcDt4dcj/WR1oeXF68w5g5Ie11oK9B8uTuDE5RVpUi/blJFmNVg/ZKq32QkKNHcSmLdlueXzAvZ4WRS5yBTra7b0COupp1ko7kkGCfL5OKzP0mj8AsBQEnvTYPCtTzfOznR19AVgsk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763764503; c=relaxed/simple; bh=lsT+viZWqqRjn+PYwPpLEA611TTfzuqAF66ioLEfSpQ=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=U6yYtwiagjIFtkmItVwPjrTgGB2ScUivxAp93Ss4QRTN2v+mizv/CDFJWsYVeM73/xWkqeZYPpzqamGrHpGOrfF9X0AGFRpY33Dw2UZ16Yqt++akJ1w8jzvR/rPBQds/DYN856AEBIgMWn+ypqO4b8DLgjXBebb1c3tA8A7W6EM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=NXLZFeaV; arc=none smtp.client-ip=209.85.216.73 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="NXLZFeaV" Received: by mail-pj1-f73.google.com with SMTP id 98e67ed59e1d1-34378c914b4so8418563a91.1 for ; Fri, 21 Nov 2025 14:34:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1763764495; x=1764369295; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:from:to:cc:subject:date:message-id:reply-to; bh=FYb4mnjND8uyAYDZTY5jZv6bxtxo+QaDoqsrMNdwfeo=; b=NXLZFeaVw62Dmfs8/WSI3J/igoV5XcFIhPp4d4/2q84vBWoCdcVhT+x3ZGBcPkflii lqKoXDRQcTsZD9+m3Yq2qdOFitiX0vN2Fk0gqCCzYvMLtrzBHNYbSdpKFsrBHEVOtaKH Qj4cBAKWq8sUsPOPNc3bH8HbI2JtqcUqKIgMl8/JN3vsgEpSnQkDiyb/AILlwM/5PTXj bIwJFJpsE3VNA8VageyLf+u+C+UJw76x18Bq4D1x6kWe1zudSWyssMLH6B2RLaMglJqe U1EvsqlnKakJYkT20FErvHl9SP6gWqtaaa8CkucpwR8Z0CvDEe2PWlX+jO+8kM0V5bcq Yjfw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1763764495; x=1764369295; 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:message-id :reply-to; bh=FYb4mnjND8uyAYDZTY5jZv6bxtxo+QaDoqsrMNdwfeo=; b=QDLaOvvnjlCRbNjWTUFa5oB+DjEkNPikJCoBhVJ76lNVyUse5MO4RdtEuRGSAHPdMT ertJYp0lwPgc4nJ5rR9uznPVcNWq/jmIhqaQJOlAVz/p9C90KckIBp70P5tpLHLXKoTI 7xUW79nfupCsHfvtc3oaqn1KCQ8Jok040DRjbH98ChhNCE1KEkvaZMmUb8+xBuwr7TgV 5z8fJ5x+Eqgb47J8C//ycZxDXQ9JmkzTA59PfPX1xDGKhq2Qt2pFsoZjzYEw0TGWJ1sY VX6PMLIvEnDsz5E9R9LGPsiPTMqitDWwjibTLIQInZ54m9Ug+QEkkpIkQcuIQN/cJdLB b9Hw== X-Forwarded-Encrypted: i=1; AJvYcCVDJns9XajxnTw4UmAJut03qf9xGJRufz/AfRhSajAspvVwrQobUdZOrLyNtB2waR8nTPPTYrH7t3Gsg4U=@vger.kernel.org X-Gm-Message-State: AOJu0YwAGqmxnoFeIh9cjfopVEN8mZAeQ+uge6mMozI2xFLh2FMgf050 shbl+qEMIrm2hWM2SusPbjC2B6s2qnRBh+c9322pARTCHaY1a1yw0NZ/NUHeR0EaVrIglOd9D/9 8QJeiBw== X-Google-Smtp-Source: AGHT+IEQYvT+Zfk13DHjigZ5Eleetu/W6Uzwhp2vloqyzZ4LXM/6l8ZEnBMwrRp+I5s+uD9g9xfA2IZUjhc= X-Received: from pjbsk6.prod.google.com ([2002:a17:90b:2dc6:b0:341:7640:eb1e]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:384f:b0:340:ac7c:6387 with SMTP id 98e67ed59e1d1-34733e2d4a5mr5255149a91.7.1763764495318; Fri, 21 Nov 2025 14:34:55 -0800 (PST) Reply-To: Sean Christopherson Date: Fri, 21 Nov 2025 14:34:44 -0800 In-Reply-To: <20251121223444.355422-1-seanjc@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20251121223444.355422-1-seanjc@google.com> X-Mailer: git-send-email 2.52.0.rc2.455.g230fcf2819-goog Message-ID: <20251121223444.355422-6-seanjc@google.com> Subject: [PATCH v3 5/5] KVM: nVMX: Mark APIC access page dirty when syncing vmcs12 pages From: Sean Christopherson To: Sean Christopherson , Paolo Bonzini Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Fred Griffoul Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Fred Griffoul For consistency with commit 7afe79f5734a ("KVM: nVMX: Mark vmcs12's APIC access page dirty when unmapping"), which marks the page dirty during unmap operations, also mark it dirty during vmcs12 page synchronization. Signed-off-by: Fred Griffoul [sean: use kvm_vcpu_map_mark_dirty()] Signed-off-by: Sean Christopherson --- arch/x86/kvm/vmx/vmx.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index cc38d08935e8..72ac42fdf3b1 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -6382,10 +6382,7 @@ static void nested_vmx_mark_all_vmcs12_pages_dirty(s= truct kvm_vcpu *vcpu) { struct vcpu_vmx *vmx =3D to_vmx(vcpu); =20 - /* - * Don't need to mark the APIC access page dirty; it is never - * written to by the CPU during APIC virtualization. - */ + kvm_vcpu_map_mark_dirty(vcpu, &vmx->nested.apic_access_page_map); kvm_vcpu_map_mark_dirty(vcpu, &vmx->nested.virtual_apic_map); kvm_vcpu_map_mark_dirty(vcpu, &vmx->nested.pi_desc_map); } --=20 2.52.0.rc2.455.g230fcf2819-goog