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=-16.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 B4BA8C43460 for ; Wed, 12 May 2021 00:01:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8A76D611BE for ; Wed, 12 May 2021 00:01:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230012AbhELACr (ORCPT ); Tue, 11 May 2021 20:02:47 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:53078 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229920AbhELACr (ORCPT ); Tue, 11 May 2021 20:02:47 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1620777699; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: references:references; bh=6iQcJfFQ9PAT1toBR712mVEA6YqxpgzftwpN0mudfKw=; b=E9XmotiwuIzOCpj6uK4PzST0st3eFxUXtBCt8hLXZus475XxLM40i4CrjW1U3SY1CxhIyt EFBQs/FechdvCVCaqMHLrjDMRmwxZvxEUX6KwTiFiiyHgt3fy6ZW2PKIvfVcD7J0qtGsq2 8OBRoATsEsoReQ+fjvFCniqKPQwwnxs= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-284-cZVet68sNzmIDnYxpiIDgA-1; Tue, 11 May 2021 20:01:36 -0400 X-MC-Unique: cZVet68sNzmIDnYxpiIDgA-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 505091005D51; Wed, 12 May 2021 00:01:35 +0000 (UTC) Received: from fuller.cnet (ovpn-112-2.gru2.redhat.com [10.97.112.2]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 28D3F101F501; Wed, 12 May 2021 00:01:25 +0000 (UTC) Received: by fuller.cnet (Postfix, from userid 1000) id 8EDA843F79E8; Tue, 11 May 2021 21:01:20 -0300 (-03) Message-ID: <20210512000101.954011777@redhat.com> User-Agent: quilt/0.66 Date: Tue, 11 May 2021 20:57:41 -0300 From: Marcelo Tosatti To: kvm@vger.kernel.org Cc: Paolo Bonzini , Alex Williamson , Sean Christopherson , Peter Xu , Marcelo Tosatti Subject: [patch 3/4] KVM: x86: implement kvm_arch_vcpu_check_block callback References: <20210511235738.333950860@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Implement kvm_arch_vcpu_check_block for x86. Next patch will add implementation of kvm_x86_ops.vcpu_check_block for VMX. Signed-off-by: Marcelo Tosatti Index: kvm/arch/x86/include/asm/kvm_host.h =================================================================== --- kvm.orig/arch/x86/include/asm/kvm_host.h +++ kvm/arch/x86/include/asm/kvm_host.h @@ -1320,6 +1320,8 @@ struct kvm_x86_ops { void (*vcpu_blocking)(struct kvm_vcpu *vcpu); void (*vcpu_unblocking)(struct kvm_vcpu *vcpu); + int (*vcpu_check_block)(struct kvm_vcpu *vcpu); + int (*update_pi_irte)(struct kvm *kvm, unsigned int host_irq, uint32_t guest_irq, bool set); void (*start_assignment)(struct kvm *kvm); @@ -1801,6 +1803,15 @@ static inline bool kvm_irq_is_postable(s irq->delivery_mode == APIC_DM_LOWEST); } +#define __KVM_HAVE_ARCH_VCPU_CHECK_BLOCK +static inline int kvm_arch_vcpu_check_block(struct kvm_vcpu *vcpu) +{ + if (kvm_x86_ops.vcpu_check_block) + return static_call(kvm_x86_vcpu_check_block)(vcpu); + + return 0; +} + static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) { static_call_cond(kvm_x86_vcpu_blocking)(vcpu); Index: kvm/arch/x86/include/asm/kvm-x86-ops.h =================================================================== --- kvm.orig/arch/x86/include/asm/kvm-x86-ops.h +++ kvm/arch/x86/include/asm/kvm-x86-ops.h @@ -98,6 +98,7 @@ KVM_X86_OP_NULL(pre_block) KVM_X86_OP_NULL(post_block) KVM_X86_OP_NULL(vcpu_blocking) KVM_X86_OP_NULL(vcpu_unblocking) +KVM_X86_OP_NULL(vcpu_check_block) KVM_X86_OP_NULL(update_pi_irte) KVM_X86_OP_NULL(start_assignment) KVM_X86_OP_NULL(apicv_post_state_restore)