From nobody Wed Oct 23 00:33:57 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1729001956; cv=none; d=zohomail.com; s=zohoarc; b=ddfpwREdYM8MiF/20hmA3mglMaOu/U45N5Z67D/U9FTAPN2DhCFGP0Bhx8db25MFLmahpUgJN2D/mc+H0j2mBlf/oBp2EXDEQQNiN0XgzpVAUpZ57T5DUE7JF0znbPUqKioduZXWyOmRVJiXhAy9shag5oV+XwxcoQHAVVwxLjE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1729001956; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=OgoG8JgwXVz3g5onUJt7t2xCU8/TZqbsVMYU5eI+0xg=; b=OKSTGGc5koCm2ny4lw+tHbGWurOKmuekZKzVSjYuMxlaIhzaJtA9hsIBmZ+Br3LT6NHCxew3MxBTmEVVlikvK9C0D6orGzKFanfe69VmSjizRS7ZtCUZxfYormMWrpkJzABVmIiEdBSby6LTFt4XdX6aCsDomC9wbtAZJuZYA6M= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1729001956247111.0326332429812; Tue, 15 Oct 2024 07:19:16 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1t0iNu-0008M7-2U; Tue, 15 Oct 2024 10:18:50 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1t0iNj-0007h4-1F for qemu-devel@nongnu.org; Tue, 15 Oct 2024 10:18:39 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1t0iNh-0003Oc-KW for qemu-devel@nongnu.org; Tue, 15 Oct 2024 10:18:38 -0400 Received: from mail-wr1-f71.google.com (mail-wr1-f71.google.com [209.85.221.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-528-D3BdAknAPrKtaULEc0x86w-1; Tue, 15 Oct 2024 10:18:35 -0400 Received: by mail-wr1-f71.google.com with SMTP id ffacd0b85a97d-37d5ca192b8so2049175f8f.1 for ; Tue, 15 Oct 2024 07:18:35 -0700 (PDT) Received: from avogadro.local ([151.95.144.54]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-37d7fc12023sm1687469f8f.91.2024.10.15.07.18.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Oct 2024 07:18:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1729001917; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=OgoG8JgwXVz3g5onUJt7t2xCU8/TZqbsVMYU5eI+0xg=; b=DmcpNhwxrbD9YjyiroaRS39zS63G9F5noWP/NbnChksvEI4sVIFyyXEq0r28HUni+qL+g6 VbUgIQpqHmEzQNLk83076hADH8c77CsXifMS+jPOu5pJqXC6FLzNVJAPQ2mkm4Jp2+Fkit ED/EnY8/npiui8HI1upiE7ZluxzMyNY= X-MC-Unique: D3BdAknAPrKtaULEc0x86w-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729001914; x=1729606714; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=OgoG8JgwXVz3g5onUJt7t2xCU8/TZqbsVMYU5eI+0xg=; b=k0tUJjIRvodTMNp1J+HKwkeBCGEDwUIOoYablKtHrkOe/DXz0GWa0EQM/4PJja8gad VGaYvGx0Eh1fFXBf8S+4gy/iLRgzxw54wmohxbfV5Maz2MtRm4Dgm0s521cwNBKlaZ9F vabApy3dmkvMUxxghs/dsn4jzTaGaazmtd+14YyxWKlBJQV4VO9i5S0senfwZ1YW2GKQ HsanEwCF8Rdb2iiMfXrrGtGaOxclI4Lp/NKb1ppN/vpoFbSqGYSvRzLHg0esyIFcRA/B t0WLfa4Yaman9y0UcXMU1rK9hQvRtqR+emkh3ecFdeE4rUO/eld3mUpCVjy2vP51Nvcs TQ9w== X-Gm-Message-State: AOJu0YxBKKjr2OL5D0NzX0yPrmqXPSxOAUYaAu+gjzoCpJk5c60P04x+ iZf95cjj7LX65HmlxXxoXcDXbYygnuzTTmgcRJOaouI+yv8dNz0giLWQWFgYqXu6JwQB5HTl9Te FPKO9DmKSP3oiqb6AhJOgLYZl/bB4wIdBIO4fwCNfMf1EV7Y5BuPWGuHU5/JEBpa07OzuT3Xb0w Wpq6iMDvtLOuieT+3T0o98r1wsaqyA+GCc3VmAuJI= X-Received: by 2002:a5d:6a0a:0:b0:37c:c9bc:1be6 with SMTP id ffacd0b85a97d-37d862af94bmr658811f8f.16.1729001914119; Tue, 15 Oct 2024 07:18:34 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHHk9TFbIos2gJKEbPoEEInjBDQpLuD7YsloSf8srkWSH6yzDN9tYpbCbvkyJVzcACkRHnogw== X-Received: by 2002:a5d:6a0a:0:b0:37c:c9bc:1be6 with SMTP id ffacd0b85a97d-37d862af94bmr658778f8f.16.1729001913618; Tue, 15 Oct 2024 07:18:33 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Cc: Tom Dohrmann Subject: [PULL 24/25] accel/kvm: check for KVM_CAP_READONLY_MEM on VM Date: Tue, 15 Oct 2024 16:17:10 +0200 Message-ID: <20241015141711.528342-25-pbonzini@redhat.com> X-Mailer: git-send-email 2.46.2 In-Reply-To: <20241015141711.528342-1-pbonzini@redhat.com> References: <20241015141711.528342-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.063, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1729001957822116600 Content-Type: text/plain; charset="utf-8" From: Tom Dohrmann KVM_CAP_READONLY_MEM used to be a global capability, but with the introduction of AMD SEV-SNP confidential VMs, this extension is not always available on all VM types [1,2]. Query the extension on the VM level instead of on the KVM level. [1] https://patchwork.kernel.org/project/kvm/patch/20240809190319.1710470-2= -seanjc@google.com/ [2] https://patchwork.kernel.org/project/kvm/patch/20240902144219.3716974-1= -erbse.13@gmx.de/ Cc: Paolo Bonzini Signed-off-by: Tom Dohrmann Link: https://lore.kernel.org/r/20240903062953.3926498-1-erbse.13@gmx.de Signed-off-by: Paolo Bonzini --- accel/kvm/kvm-all.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index 482c5b24cf6..801cff16a5a 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -2683,7 +2683,7 @@ static int kvm_init(MachineState *ms) } =20 kvm_readonly_mem_allowed =3D - (kvm_check_extension(s, KVM_CAP_READONLY_MEM) > 0); + (kvm_vm_check_extension(s, KVM_CAP_READONLY_MEM) > 0); =20 kvm_resamplefds_allowed =3D (kvm_check_extension(s, KVM_CAP_IRQFD_RESAMPLE) > 0); --=20 2.46.2